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Kūmara recipes from Hapī

Kūmara is something we need in our community. It’s an abundance crop, says Gretta Carney, owner of Hapī Ora organic café and māra in Ahuriri–Napier. She shares some of her favourite kūmara recipes.


Stuffed kūmara

This is a Hapī favourite. Salt baking the kūmara seals the skin, allowing the insides to bake into a melt-in-your-mouth mash. 
Serves 4
4 medium kūmara
Fine sea salt
1 medium onion
4 cloves garlic
Oil, for frying
4 large leafy greens (kale, silverbeet, collard, puha, watercress)
½ cup cream cheese (dairy or nut)
Salt and pepper
½ cup sour cream (dairy or nut)
Karengo salt
  1. Scrub each kūmara well and liberally sprinkle the wet skin with fine sea salt. 
  1. Place the kūmara on a baking dish. Don’t crowd them too much, as they need a bit of room for the skin to crisp up. Bake in a moderate oven at 180°C until soft to touch – about 30-45 minutes depending on the size.  
  1. Gently fry up some diced onion and thinly sliced garlic (we use deodorised coconut oil for most of our frying). Once the onions have softened, add some finely chopped leafy greens from your garden. We mostly use kale but puha would also be good. Only fry the greens for a minute so they have softened but still retain their bright colour, and turn everything out into a bowl. 
  1. Cut a strip off the top of each kūmara and carefully scoop out the flesh leaving enough intact so the kūmara holds its shape. Put the kūmara flesh into the bowl with the onion, garlic and greens and mash together. Add the cream cheese (we use our mushroom or cultured cashew cream cheese), mix to combine and season to taste. Stuff the mash into the kūmara shells, piling it up high. 
  1. Reheat as required and top with a dollop of sour cream and a sprinkle of karengo salt to serve. 

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Roroi

This traditional pudding can be made with little or no sweetener given the sweetness of the kūmara.  
Serves 4-6
2 large kūmara
Honey – a couple of tablespoons

  1. Preheat oven to 180°C. Grease a shallow baking dish with butter or coconut oil.
  2. Peel and grate kūmara. Press kūmara into the greased baking dish. Drizzle or dab with honey.
  3. Cover with a lid or tin foil and bake for an hour until the kūmara has the texture of a soft mash.
  4. Serve hot or cold, with cream or custard.

Kumara canapés 

Kūmara can be turned into a versatile dietary friendly canapé base. Use medium-sized kumara for bite-sized canapés. 
  1. Cut kūmara into 2mm slices, skin on. 
  1. Place onto a baking tray and brush with olive oil and sprinkle with salt. Bake  
    in a moderate oven at 180°C until just cooked and slightly browned. 
  1. Allow to cool to room temperature and top with your favourite canapé toppings. We have been sending them out with smashed blue cheese topped with pan toasted walnuts in a honey reduction and dusted with toasted thyme salt, but you could also use slivers of roast beef with chutney, or pesto and roasted cauliflower. 
 

Gretta’s roroi and stuffed kūmara recipes have been reproduced with permission from:

Te Mahi Māra Hua Parakore: A Māori Food Sovereignty Handbook by Jessica Hutchings
Te Mahi Oneone Hua Parakore: A Māori Soil Sovereignty and Wellbeing Handbook, edited by Jessica Hutchings and Jo Smith.
jessicahutchings.org

The history of GE in New Zealand

Bonnie Flaws investigates New Zealand’s ongoing debate on the regulation of genetic modification

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The question of whether we should allow genetic engineering in New Zealand has been raging for almost as long as the technology has been around – since the 1970s. By the late 1990s and early 2000s, the sentiment among the public was decidedly anti-GMO, with protest a regular feature of the political landscape, including famous hīkoi that travelled from Northland to Wellington. Now the topic is in the headlines again after the Productivity Commission recommended in its 2021 report that New Zealand’s strict laws regulating genetic engineering ought to be reviewed, in part because the techniques used have evolved.

GM, GMO, GE, GEd – what exactly does it all mean?

  • New Zealand law defines a genetically modified organism (GMO) as any organism in which any of the genes or other genetic material have been modified by, inherited or otherwise derived through any number of replications, by in vitro techniques.
  • Genetic engineering (GE) is the use of in vitro techniques to make genetically modified organisms.
  • Genetic modification (GM) is used interchangeably with the term genetic engineering by experts in the field.
  • Transgenic techniques, what we traditionally think of as genetic engineering, use a foreign “gene of interest” that has been cultured and inserted into a cell of the host organism. Today, it’s more common to hear about gene editing (GEd) techniques, such as CRISPR-Cas9, TALENs and ZFNs.
  • Gene editing (GEd) techniques have been around since the late 70s, but some tools (nucleases) like CRISPRCas9, TALENs and ZFNs are new.

The use of language in the GM debate 

The language used to describe genetic engineering has often been contested by those who would like to see it deregulated. For example, it’s been argued that conventional and selective breeding of plants is a form of genetic engineering. More recently, it has been argued that the biochemical processes of gene editing are similar to those that cause natural mutations.  

Jack Heinemann, a professor at the School of Biological Sciences at the University of Canterbury, who promotes regulation, says the “equivalence to nature” argument is a semantic obfuscation, but a High Court ruling in 2014 made it unambiguous. New Zealand became the first country to make it explicit in law that gene editing is a technique of genetic modification, meaning it must be regulated. Heinemann was the expert witness in this case. This ruling hinged on the ability of the technique to make changes at scale that wouldn’t happen in nature, he says. 

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A potted history 

This tension between those for and against regulation has been a continuous thread in the national discourse, with the public generally wanting controls, and industry and parts of academia wanting more freedom to experiment. 

After a field trial moratorium was lifted in 1987, the public became increasingly agitated about GE experimentation, particularly around the issue of contamination of agricultural crops, and demand for tighter regulation grew. The first big breakthrough for activists came with the 1996 Hazardous Substances and New Organisms (HSNO) Act, leading to the creation of the Environmental Risk Management Authority (ERMA). This was the body responsible for overseeing importation, development, field trials and releases of GMOs. The act allowed scientists to experiment with GM techniques in the lab and in contained field trials. 

But GE experiments began to cross lines that many people found distasteful and unethical. The worry that GMOs might escape from the lab and contaminate and self-propagate in the environment, or that food with foreign genes inserted might end up on their plate kept activists like Zelka Grammer motivated.  

“You have this whole nefarious history of incompetence and slackness, and then even worse, MAF and MPI not adequately monitoring to catch significant breaches of ERMA’s rules of approval,” says the chair of GE-free Tai Tokerau. “People like Stefan Browning from the Green party and local orchardists had to go and find secret field trial locations, take photographic evidence, march down to MAF and MPI and say, ‘WTF! Why are these brassicas flowering out of doors when it’s not allowed under the conditions of approval?’ It was shut down in disgrace over and over and over.” 

There was a strong feeling that regulators were not adequately monitoring trials, and the rapid development of the biotech industry was seen as a threat to New Zealand’s agricultural sector. Despite this, industry and academic voices were keen to see the technology liberated for use in both the biomedical and agricultural spheres. Without deregulation, New Zealand would be left behind in the technological and economic race. 

Organisations such as the Royal Society Te Apārangi, Plant & Food Research, Scion, NZBio, Malaghan Institute of Medical Research, Agcarm (New Zealand Association for Animal Health and Crop Protection) and Federated Farmers have all advocated for greater deregulation of genetic engineering over the years. 

A petition signed by 92,000 Kiwis called for a Royal Commission to investigate and establish a way forward for the controversial technology. This was done, and in 2000 the Royal Commission on Genetic Modification validated many of the concerns voices by activists. The overall recommendation was to “proceed with caution”, while also rejecting the unrestricted use of genetic engineering. Within a year, a voluntary moratorium was put in place – all in all a landmark year for people power.  

Several memorable hīkoi in 2001 and 2003 followed the Commission’s findings. Māori played a big part in their organisation but the movement was broad-based and many New Zealanders took part. Groups like GE-Free New Zealand and Mothers Against Genetic Engineering (MAdGE) had a prominent public voice. In 2015 the Northland and Hastings regions were successful in asserting their own “GE free” status in their district plans. 

It is clear that everyone is in it for the money. The risks can be dismissed by appealing to the benefits, and when the benefits are not forthcoming, the promises have to be kept alive. Biotechnology is the south sea bubble at the end of the millennium.

A quote from “The Biotechnology Bubble”, an article by Mae-Wan Ho, Hartmut Meyer and Joe Cummins, originally published in The Ecologist and reprinted in the July 1999 issue of Organic NZ.

However in 2012, CRISPR, a new gene editing tool, had been discovered. Proponents argued it was more precise than transgenics, and led to changes similar to what might happen naturally. Proponents said the technology should be set free to fulfil its potential. It could be applied not only in food production, but also in medical research, pest control and even to tackle climate change. 

At the same time, a growing body of scientific literature showed that gene editing gave rise to numerous unintended genetic mutations, and was not as precise as claimed. The Sustainability Council of New Zealand took the Environmental Protection Authority (formerly ERMA) to court to challenge industry claims that gene editing was not genetic engineering. 

The 2014 High Court ruling, which determined gene editing was legally a form of genetic modification, also established that the rate and specificity of change was what made the technology risky. 

Key dates in the history of GE

1973First recombinant bacteria is developed in the US.
1978The New Zealand government places a moratorium on field releases that remains in place for 10 years.
1980sThe early 1980s sees GE technologies begin to be applied in laboratories in New Zealand, largely for biological and medical research purposes.
1988The moratorium on field release is lifted and an Interim Assessment Group (IAG) is established for the field testing and release of genetically modified organisms.
1996Hazardous Substances and New Organisms Act 1996 passes in law, which leads to the establishment of the Environmental Risk Management Authority New Zealand (ERMA).
1999The Independent Biotechnology Advisory Committee is established to assess and provide independent advice on the use of GE technology.
2000The Royal Commission on Genetic Modification is established and a voluntary moratorium put in place.
2008Activists chop down GE pine trees at a Scion forestry research site near Rotorua in 2008 and 2012. 
2011ERMA becomes the Environmental Protection Authority (EPA).
2012CRISPR is invented, adding a new tool to the GE toolbox. 
2014The High Court rules that gene editing is a form of genetic modification.
2015Both the Hastings and Northland regions become GE free. 
2016Auckland becomes GE free.
2021Productivity Commission report recommends a full review of HSNO.

The Māori world view

Māori have largely been vocal opponents of GE from the beginning. “The issue is that using GE will have an impact on the mauri of our food and the soil,” says Lahni Wharerau, kaiwhakahaere of Te Waka Kai Ora, the National Māori Organics Authority. “Mauri is what gives us life force and underpins wellbeing. GE interferes with that.”  

Wider news reporting since the Productivity Commission’s report shows that attitudes aren’t set in stone. Maui Hudson, associate professor at the University of Waikato, said a national survey of Māori on the issue of genetic modification and gene editing was done last year, showing a wide variety of perspectives were held. “For some people it’s all the same, whether it’s genetic modification or gene editing, while for others they get that there is a difference and that may change the way you think about it.” However, a “proceed with caution” approach was still valued. “In the context of the conversations we’ve had, there is no appetite for a totally unregulated environment for gene editing.” 

The Productivity Commission and the global push for GE deregulation 

The New Zealand Productivity Commission last year called for a complete review of HSNO, as well as the legislative framework and institutional arrangements governing genetic engineering, suggesting separate legislation or a standalone regulator. 

“Technologies have moved on significantly over the last 20 years. In particular, advances in gene editing have produced technologies such as CRISPR, which enable much faster and more precise modification than earlier tools,” it says in its 2021 report. 

Once again, proponents have seized the opportunity to promote deregulation. Jack Heinemann says the push for deregulation is happening globally. Pulling no punches,  
he calls it an orchestrated campaign by vested interests – industry and those parts of academia aligned with industry outcomes – that follows the same pattern everywhere, drowning out voices of scientific doubt. 

As a geneticist, he is immensely positive about the benefit to society of regulated genetic engineering in the lab, but says both the utopian promise of genetic engineering – how it’s promoted to the public and the regulators – and the risk profile remain unchanged since regulations were put in place. What gene editing does is change the scale and speed at which interventions can be made in nature, he says. “That is precisely what makes a technology risky.” 

President of GE-Free New Zealand Claire Bleakley says the HSNO regulations follow a clear pathway to ensure products are safe. “Because GMOs are living organisms they might contaminate the indigenous flora and fauna, the economic crops, or have serious health effects. Our biggest concern is that the Productivity Commission report was basically minimising the dangers of GMOs and highlighting the simplicity of them.” 

Sociologist Jodie Bruning agrees the report obfuscates risk, and doesn’t represent what the bulk of submissions had been asking for – just two out of 80 submissions (both from the medical industry) that fed into the Productivity Commission’s 2021 report argued that HSNO should be opened up. 

The main fear Jack Heinemann, Claire Bleakley and Jodie Bruning convey is that without the appropriate checks and balances, and careful scientific oversight, niche experimentation with the ability to change organisms at pace and scale would proliferate, and with them, unintended consequences. 

“Regulation is not a ban. It isn’t stopping anything. Good science is like good democracy – it needs accountability and transparency. No dark corners,” Bruning says.  


Horopito: how to use our hottest native herb

Herbalist Sara Mertens celebrates our hottest native herb and peppers us with ideas on how to use it in the kitchen and medicine cabinet. 

If you are unfamiliar with the native flora of Aotearoa’s bush and go walking with somebody who wants to treat you to a “taste of the bush” sensation, they will undoubtedly invite you to nibble on a leaf from an attractively coloured shrub. A nibble is all it takes! It will be an unforgettable moment as your taste buds encounter a peppery punch not unlike chilli spice.

Horopito, our native pepper tree boasts an ancient endemic New Zealand genus, Pseudowintera, and a primitive flower structure originating from the Winteraceae plant family. Unsurprisingly, introduced animals, such as wild deer find the hot-tasting leaves unpalatable,  a quality that has nurtured its longevity in our forests. Similarly, it is fungi resistant and insects are not attracted to it.  

There are four endemic horopito species. Pseudowintera colorata (pictured above) is a shrub variety that grows up to 3.5m tall and has distinctly identifiable foliage of red splotches on the topside of the pale green leaf, with a blue-grey underside. P. axillaris is not as peppery,  has no colourful markings and grows 7m tall. P. colorata and P. axillaris are often found growing in the same regions but in different parts of the bush due to P. colorata thriving in areas of adequate light to enhance its highly coloured leaves, and P. axillaris preferring cold, damp conditions. The other two horopito species are harder to find. P inseparata is critically endangered and only grows in Northland and P. traversii is found on the West Coast of the South Island and near Nelson. 

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Apothecary 

P. colorata is known for its medicinal uses, and forms an important part of rongoā Māori. The fresh leaves can be chewed or simmered in water to make a medicinal decoction drink for tooth and stomach aches. Circulatory and respiratory conditions, such as coughs, colds and asthma, were once managed with this warming herb. It can also be used topically to treat skin diseases. The leaves and tender branches were steeped in water and used in a lotion for ringworm, and the bruised foliage was applied as a warming poultice to wounds and joint injuries.  

In the early 1980s, University of Canterbury research isolated the active constituent polygodial, which gives the distinct peppery taste to the foliage and has strong anti-fungal and antibacterial properties. It compares favourably to pharmaceutically compounded antifungal medicine, and can be used to treat  Candida albicans, which causes infections such as thrush. Horopito has also been effective against other fungal organisms, such as Trichophyton, which causes ringworm, athlete’s foot and fungal nails.  The pain killing action, analgesic, of the leaves is attributed to one of their 29 essential oils, called eugenol. 

Marlborough-based company Kolorex use horopito as their hero herb ingredient, and grow it to use in a range of efficacious antifungal products. 

Garden to pantry 

Grow horopito in your garden and the birds will love you when it bears its dark red to black berries in autumn. Meanwhile, you can be adventurous with the leaves in your kitchen. The peppery action of our native bush spice has found its way into the condiment range of chefs – what better way to “let food be your medicine, and medicine be your food in the words of the great Hippocrates. You can dry them at home and grind them to use as a substitute for ground black pepper. It will take meat-rub seasoning to another level, and refreshingly uplift your favourite hummus For a ready-to-use horopito supply, visit Forest Gourmet’s website.  

Horopito is a botanical example of the land’s way of caring for us and providing a resource for health in life. Let it be reciprocal where we acknowledge how te whenua (the land) and ourselves are interconnected – if we care for the land, the land provides in return. 


Sara Mertens is a registered medical herbalist living in Rangiora (symphonyofherbs.nz). 

Pricing up organics

When it comes to groceries, many of us want to shop organic, but can’t afford the higher price tag. So why is organic food more expensive, and when you add up environmental and health factors, does it really cost us more?

By Bonnie Flaws
Illustrations by Vasanti Unka 
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Everyone deserves to be able to eat a nutritious diet free of nasty chemicals and spray residues, but for almost all of us, it’s out of reach. Even dedicated organic shoppers in New Zealand have to make compromises, either because of the cost or availability of organic foods. Given affordable options and ready access, I believe most of us would probably favour organic foods all of the time.  

But cost more they do, and with rising inflation and geopolitical conflicts impacting on supply chains and energy prices, they are only going to get more expensive. Despite this, there are very good reasons to purchase organic foods whenever your budget can stretch for it. 

The case for eating organic

Jodie Bruning, a sociologist with expertise in the public health impacts of pesticides, and a Soil & Health National Council member, says while it can’t be claimed that organics are more nutritious than conventional produce (there is too much variability in soil type, climate and farming practices to make this claim), what is known is that eating organic food dramatically reduces exposure to synthetic, exogenous chemicals. And the risks to health are clear.  

“Whether it’s an insecticide, fungicide or herbicide, we’re seeing inflammatory markers worsened. We see neurodevelopmental impacts right through the food chain from the smallest insects to humans in the in vivo studies. One of the biggest costs of pesticides is endocrine (hormonal) disruption.”  

 

In fact, scientists are seeing worrying associations between pesticide exposure – particularly organophosphates – on learning, IQ and behaviour. A major factor driving parents to purchase organic produce in New Zealand today will be to protect their children’s brain health, she says. 

“However it’s not just pesticides. Ultra-processed foods, low in nutrition and fibre and high in additive chemicals can also contribute to health problems and degrade the microbiome, leading to neurological issues, including depression. Organic diets help people move away from these food types.” 

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Paying not to pollute

Another reason to buy organic is to protect the environment and biodiversity. And interestingly, this point illuminates something that goes more or less unacknowledged: that when we buy conventional food, in effect, we end up paying more. 

We might pay less at the checkout, but over the long term and in other ways, we still end up paying the price for polluting. Noel Josephson, chairman of Ceres Organics, the country’s oldest organic retailer, explains: “The price on the supermarket shelf is not the true cost of the product – it’s only the economic cost. It doesn’t account for the cost to your health or the damage to the environment – all of those are passed on to the future. That is the key to understanding what it is you’re buying and if it’s good value. If you apply ‘true cost accounting’, organics comes out cheaper than conventional.”  

True cost accounting factors in the externalised costs of conventional food production. One example, says Noel, is the amount councils pay to remove agricultural chemicals from the water supply. Another is the cost of health care to treat diseases resulting from toxic exposures. The cost is socialised, or delayed, but we still end up paying. 

However, Geoff Kira, a senior lecturer at the School of Health Sciences at Massey University, says food insecurity affects one in five Kiwi families, and many people are paying up to 50 percent of their weekly budget on the rent alone. Such abstract calculations are not realistically going to be a factor in the weekly food shop for many. 

“If you apply ‘true cost accounting’, organics comes out cheaper than conventional.”

NOEL JOSEPHSON, CHAIRPERSON, CERES ORGANICS

*Correction: the price quoted above for tinned tomatoes from Commonsense Organics should read $0.57 for 100g. We incorrectly listed the 400g price.

Why organics cost more 

Teva Stewart, retail manager at Commonsense, says price generally comes down to the cost of production.  Organic production doesn’t rely on chemicals to take care of weeds, so labour costs are higher. They’re also not intensively planted or stocked, so overall yields are lower. These, along with certification, add costs right off the bat. However, organic production is generally just more expensive in New Zealand. 

“It can cost more to eat an organic product produced here than one produced overseas and shipped in,” he says. Case in point: a 500ml bottle of imported Spanish extra virgin olive oil costs $7 less than a locally produced one at my local organic shop. Teva also notes that distribution is more costly because we don’t have a rail network, instead relying on trucks, while the volumes of organic products being distributed are vastly smaller than conventional in New Zealand.  

Countdown’s assistant manager of organic produce Savilla Manuel says while demand for organic products is growing – sales grew 24 percent year-on-year in the period ending June 2021 – the scale of domestic production is comparatively tiny. Supermarkets are largely reliant on local suppliers, so things like adverse weather events, labour shortages and import restrictions have a significant impact on supply. Compounding the problem, organic land conversion takes about three years, a time commitment many growers are hesitant to make, she says. “This effectively reduces the number of larger growers within the industry from making the move to convert to organic, which otherwise would help to improve overall supply and reduce prices.” 

How low can they go?

Organic retailers will tell you that they already do all they can to offer organic goods at the lowest price. Due to bulk importation, certain items, such as tinned tomatoes, can be offered on special regularly. However, other types of food, such as root vegetables, will generally always be the same price, Teva says. “Things like carrots, beetroot and potatoes, which are in the ground for a long time and require a lot of weeding, they are always going to be $8 per kg in an organic store because those labour costs are there.” 

Noel Josephson says the market conditions that apply to conventional usually apply to organic. For example, New Zealand is competitive at producing wine, apples and kiwifruit. Organic production of these goods can also be done competitively and at scale, he says. “The point I’m making is that there is not much that is going to change from market to market, which isn’t already there, which is really caused by other factors such as the growing environment, the trading environment or the government regulations,” he says. But that doesn’t mean the conditions for lower prices can’t be brought about. This is happening now in the European Union where 25 percent of all agriculture is set to go organic by 2030, he says.  

BioGro chief executive Donald Nordeng agrees, and says if the country could get over the idea that government shouldn’t support farmers directly, there would be more likelihood prices could come down. “We could do something amazing, but currently we don’t have price support, which I think is a misnomer,” he says. The EU is subsidising half the cost of certification and providing crop insurance for organic farmers, incentivising organic conversion. There is also money available for farming infrastructure, such as fencing, riparian planting and tree planting. “[There are] all sorts of improvements. Billions and billions of dollars that are being earmarked for [organic] agricultural production. Here we don’t have any regulation yet so the government really can’t take action.” The Organic Products Bill is currently making its way through the house, and when the regulation is in place, it will bring greater investment and funding to grow the sector, he says. 

Noel says it’s something the country should aspire to. “It’s definitely in New Zealand’s interest. If we went organic, we would get a greater return for the same amount of land, we would have a less polluted environment, and it could support the regions.”   


Bonnie Flaws is a freelance journalist and writer based in Napier. She grows an organic vegetable garden and shops organic wherever her budget allows. 

Investigating Aotearoa’s e-waste footprint

Electronic waste is the world’s fastest growing waste stream, and in Aotearoa most of it ends up in landfill where it can leach toxins into soil and waterways. The good news is that we are taking steps to reduce our e-waste footprint. Bonnie Flaws investigates. 

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Mobile phones, old computers, toasters and jugs, whiteware, batteries, televisions, gadgets, even children’s toys. We’ve probably all gone through numerous editions of each of these products in our lifetime. I run a little inventory and establish that I am on my fifth mobile phone, my fifth computer, and probably my fourth television. I’m only on my second GHD though after 20 years of hair straightening – pretty good, I reckon. My 30-year-old dishwasher is working but it’s falling apart, and it won’t be long before I’ll be replacing it. 

Electronic waste is increasing globally, and here in New Zealand it’s estimated we produce about 80,000 tonnes a year, of which only 2000 tonnes is recycled. “It’s a significant problem,” says AUT senior lecturer in the School of Future Environments, Jeff Seadon. And it’s everyone’s problem – it’s estimated each person produces about 21 kg every year, he tells me. 

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What is it and why is there so much of it? 

E-waste comprises “anything with a plug or battery” that has reached the end of its life, Jeff explains. As the world has become increasingly digitised, the amount of e-waste continues to pile up and it has become the fastest growing waste stream in the world. Another culprit is ‘planned obsolescence’,  a business strategy with an ethics problem.  

Manufacturers want repeat customers and so longevity is not a priority. It costs manufacturers money to repair products, and it’s often cheaper to simply replace broken items. It’s also profitable to dictate who can do repairs, sometimes under threat of nullifying the warranty if something is repaired by an unauthorised party. 

“There is now a backlash occurring, and as a result, manufacturers are having to change their products so that there is a ‘right to repair’,” Jeff says. The ‘right to repair’ concept is becoming more widespread. Consumer NZ says it’s going mainstream, with companies like Apple making supportive noises, and legislators in Australia and the United Kingdom forcing manufacturers to repair cars through independent garages and supply spare parts for gadgets. Minister for the Environment David Parker is a fan and Kiwi businesses could soon be legally bound to ensure old devices can be repaired too. 

Jeff says this policy may force a rethink. “Producers are thinking, ‘If we have to repair it, that will cost us a fortune and that will come back on us. So, therefore we need to make things that are more useable’.” 

Environmental and health impacts 

E-waste contains a variety of minerals and elements, including precious metals and heavy metals. Many of these are contaminants, says University of Canterbury professor of environmental chemistry Brett Robinson. Elements like lead, cadmium, mercury and copper bind very strongly to soils where they stay forever or are taken up by plants. 

But Brett says there are many other chemical elements that are not well understood – such as gallium and indium, which are used in the manufacture of flat panel displays. It is not known just how mobile they are in soil or how harmful they can be. At some level, all of these contaminants are toxic to microbes and plants, he says. 

Some types of flame retardants that are used in plastics on electronic devices are also extremely toxic and very mobile, so can leach into groundwater. Air pollution can also be a problem. “If e-waste is burned, you get chemicals called dioxins forming – the same chemical that caused environmental damage in Vietnam with Agent Orange.” 

Brett says most of what is collected at recycling centres usually goes overseas to places like Japan, Singapore and South Korea, where it can be recycled more cost-effectively.  

Sadly, in New Zealand most e-waste ends up in landfill. There are upsides and downsides to this, he adds. On the downside, resources are being lost – there is far more gold, silver and palladium in landfills than there is in virgin mines, such as the one in Waihi. On the upside, since the 1990s, landfills have been required to be sealed, so the e-waste doesn’t leach out, although some of it ends up as leachate which is collected and reprocessed by the operator, he says. 

Farm dumps 

The biggest problem in Aoteroa is the amount of e-waste illegally disposed of on farm dumps, of which there are estimated to be about 30,000 around the country, Jeff tells me. “It’s very hard to regulate because if you have a little valley in the back of beyond, who is going to be there to check it?”  

Unlike landfills, these dumps do leach. As water passes through valleys, decaying metals pass into the water system and into vegetable and animal life, where it accumulates. Some elements can also get into groundwater, he says. Their accumulation in humans and animals via water and food can lead to side effects including kidney and bone disease, central nervous system damage and elevated blood pressure. 

Product stewardship for e-waste will become mandatory 

Spark, Vodafone and 2degrees have a recycling programme for phones called Re:Mobile, and there are collection points for e-waste recycling in many places that you can find out about through your local council or at ewaste.org.nz. However, options for responsible disposal of electronic waste are still limited. But this is set to change. 

The Ministry for the Environment is currently in the process of setting up a product stewardship scheme under the Waste Minimisation Act, and e-waste is one of the priority waste streams. Once in place, it will oblige producers to recover e-waste at the end of life and recycle it. There is no date set yet for its implementation. 

What we do know is that it will be a user-pays system. “When you go and purchase a piece of electronic equipment covered under the scheme, you’ll pay an extra amount that will pay for its recovery at the end. The scheme will build up money to capture goods at the end and it should be self-supporting,” Brett says.    

Not-for-profit TechCollect NZ was established by a group of global technology companies to support the development of a regulated product stewardship scheme in New Zealand, and is working with the government on delivering the scheme at present.  

Auckland based company Computer Recycling will likely to be collecting much of this waste once the scheme is up and running.  Director Patrick Moynahan has imported a high-tech piece of kit called Blue Box. One of only eight in the world, this machine will increase the amount of e-waste the country currently recycles to 5000 tonnes per year, he says. “That will go quite a long way to recycle the ‘hard to recycle’ material – things like flat screens, small electronics, laptops. We’ll be able to handle the vast majority of what New Zealand produces,” he says. Hard-to-recycle material is anything that can’t be disassembled by hand,  
he explains. 

The $3 million machine, a 40 foot container-sized shredding unit, operates in a negative vacuum environment, meaning nasties like mercury and cadmium will be contained and the recycling process won’t contribute to the contamination of the workers or the land. The metals will be exported as commodities, where they will be reused in manufactured goods. It also separates out the precious metals into pure commodity streams that can be sold back to refineries. 

Computer Recycling collects e-waste from all over the country at one-day-events via business networks and a fleet of trucks and vans that collect waste. “We also work with general waste companies to encourage the collection of e-waste at the point of landfill,” Patrick says. The company will be working with TechCollect and companies implementing the mandatory product stewardship programmes when the time comes.  

But Patrick doesn’t think it will be realistically operational for two to three years. Once the regulation is in place, the e-waste recycling sector will expand significantly especially with the help of Blue Box, he says. 

“We are hoping to import a few more machines [for other e-waste streams] in a couple of years. If stewardship is introduced and there is a conscious effort to educate the public then there is no reason why we can’t hit 50–60 per cent recycling of waste. Right now, we’re are at about 2 per cent,” Patrick says. 


Keep your garden growing

Tips and tasks for the March/April māra,
by Diana Noonan

In the cooler months it’s tempting to wind down the edible beds, but try sowing and growing all over again for months of bountiful harvest at a time when store-bought veges command a premium price.  

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Ki te hāmama popora te tangata e kore e mau te ika!  
He who yawns, catches no fish! 

Starting all over again

The summer māra can be disappointing, especially if you’ve been away from home over the holidays and your edible beds have suffered from a lack of attention. But the good news is you can put the past behind you and start growing all over again with cool-season veges – some of which will be ready to harvest in just three to four weeks (see our suggestions below). If you live in a warm region, sow some baby root crops too, as they will keep growing, albeit slowly, almost right through the year. 

Undercover agents

Greenhouses provide a whole new cool-season growing space once summer crops have been harvested. Make the most of this by replenishing the greenhouse soil with organic compost and manures, and sowing quick-turnover greens such as ‘Fiji Feathers’ peas. A semi-leafless pea with crisp feathered shoots and tasty tendrils, it is ready to snip and use just two to three weeks from sowing. Mesclun seed mixes will also come away quickly when sown undercover, and you can double their value by teasing out individual seedlings and planting them into their own spot in the greenhouse where they can grow on to maturity. In very cool regions, where the summer undercover harvest can linger on until mid-autumn, sow and plant into containers which can be placed under cloches until there is space available for them in the greenhouse.

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Extend the season

In order for autumn-sown seeds and cool-season seedlings to be strong, healthy, and potentially productive throughout the winter and early spring months, it’s important to give them a quick start now, in warm beds. If autumns are damp in your part of the country, and you are not already growing in raised beds, mound up your soil by 10–20 cm. This will keep the ground temperature sufficiently damp but not wet, and therefore increase its temperature. If autumn conditions are warm, or if you live in a drought-prone region, use a mulch to lock in moisture and control weeds. If your autumns are on the cool side, skip the mulch (which shuts out the sun’s warmth) and weed by hand. 

Use cloches to harvest the autumn sun. While they can be store-bought, you can also make your own by bending over hoops of supple willow or number eight wire, and pushing the ends into the ground. Cover with recycled clear plastic (check out furniture stores for this valuable resource), and hold it in place with rocks. Prop the cloche open with a forked stick on very warm days so your plants don’t overheat. To make a mini cloche, cut the base off a PET bottle, and push the cut end into the ground. Remove the top to allow for ventilation, so your young plants don’t cook, or leave it on in cold weather to increase the heat. 

Sow me now

In all but the coldest regions, sow the following:
Veges: Radish, daikon radish, autumn mesclun mix, Asian greens, winter spinach, broad beans. In warm regions only: Carrot, beetroot, broccoli, cauliflower, cabbage, kale.
Herbs: Chervil, chives, coriander, rocket, spring onions.
Flowers: Hollyhock, nasturtium, phacelia, spring bulbs, viola.
Note: In very cold regions, sow quick-growing pea shoots and microgreens under cover.

Transplant me now

Veges (by February in cooler regions and March in warmer regions): Brassicas – especially spring cabbage, cauliflower, broccoli (including purple winter-sprouting broccoli), celery, celeriac, leeks, perennial beet, silver beet, winter lettuce.
Herbs: Most woody herbs including rosemary, sage, thyme, marjoram, and already-established potted lavender. Hardy leafy herbs including parsley, parcel and sorrel.
Flowers: Winter colour (polyanthus, primula, Iceland poppies, pansies) spring bulbs. 

Compost clean-up

Anyone who has ever painted or wallpapered knows that nine-tenths of the mahi goes into preparation – and it’s the same with making the perfect compost. In autumn, especially, it’s important to hot-compost because so much of the material cleared from the māra contains weed seeds that require significant heat in order to be destroyed. 

Composting instructions are easy to access, but the subject of assembling the necessary ingredients is seldom discussed. When building a hot compost, it’s essential to gather all your materials ahead of time, and to restrict the gathering of high-nitrogen materials to just two or three consecutive days before building the pile (any more and this nitrogen-rich material will begin to decay before you want it to). 

Assemble the materials in their different piles: browns (carbon-rich materials such as dead leaves, mulched branches and twigs, and organic straw), greens (nitrogen-rich materials such as green manure crops, lawn clippings, freshly cut long grass, mulched green leaves, seaweeds and kitchen scraps), and very high-nitrogen ingredients (if using), such as fresh and aged animal manures. Although it’s not essential to be totally accurate, a compost heats up best when the ratio of carbon to nitrogen materials is 30:1. You will also need on hand a good supply of water, and material to cover the pile (hessian sacks are ideal). Once you’re ready to begin, following the instructions will be fun and easy. 

Fill the larder

Your winter keep-crops have taken four to six months to grow to maturity. Don’t waste them through poor storage. Dry your alliums (onions, shallots and garlics) until there is no sign of moisture left in their tops (especially around their ‘necks’. Allow kūmara, yams (oca), mashua and ulluco (earth gems) to quick-dry in warm shade, turning them to hurry the process. Dry potatoes in a warm, dark, dry place to prevent greening. Sort crops thoroughly so that any that are damaged are separated out and used quickly. Be aware that different keep-crops require different temperatures and humidity levels to keep well, and do your research. Note that some root crops, such as Jerusalem artichokes and yacon, should be left in the ground until required (in very cold regions, cover the ground above the tubers with a layer of straw to prevent freezing). 

Close to home 

Think ahead to frequently used winter flavour boosters, and pot up rooted pieces of herbs that can be moved close to the door for easy access on wet, cold days. Give the rooted pieces a good start by growing them under cloches through autumn.   


Diana Noonan lives in the Catlins where she grows 70 percent of her food using a variety of methods including permaculture food forest to French intensive. 

10 natural health boosters

With seasonal flu, colds and Covid-19 circulating, maintaining optimum health for you and your family is more important than ever.  Natural health practitioners gave us their top tips on getting organised, staying well and looking after yourself if you do get sick. 

1. Be prepared

Rongoā Māori healer Donna Kerridge (Ngāti Tahinga, Ngāti Mahuta) says that preparation is key right now. “When we look at the Māori way of living in harmony with our environment, it’s really important that we’re not just thinking about now but we’re doing what is required for three months’ time.” She advises doing practical things like making sure firewood is chopped and ready so people’s houses can be drier and warmer when illness is circulating and it’s cold, and airing bedding while it’s sunny. “Some of the best sanitisers in the world are the wind and the sun. Air your blankets so you’re clearing out the dust and sanitise the things you don’t wash every week.” She also recommends taking advantage of the season’s bounty by preserving food, making stocks out of fish remnants and freezing them, and harvesting herbal medicines. “By preserving the excess that we have available to us now we can build immunity and have nourishing options when we least feel like cooking because we’re unwell.”

“Preserve the excess now, so we have nourishing options available when we’re unwell ”, says Donna Kerridge, Rongoā Māori healer
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2. Let food be thy medicine and medicine be thy food

Hippocrates’ words still ring true today. Eating a well-balanced nutritious diet is one of the best things you can do for your health. Wanaka Health Bridge (wanakahealthbridge.co.nz) is a website created by a collective of health practitioners in Wānaka to meet the needs of the local community during Covid. Various early action protocols covered on the site provide information on the stages of the virus, hygiene and immune-supporting minerals and vitamins.

When it comes to kai, naturopath, herbalist and nutritionist Kaz von Heraud-Parker, who led the initiative says, “If you can eat organic, where possible, you’re going to reduce the strain on your system,” but generally she advises eating a diet that targets core nutrients. This includes vitamin C-rich foods like blackcurrants, red peppers, kiwifruit, oranges, broccoli and parsley; foods rich in zinc such as meat, seafood, pumpkin seeds, chickpeas, lentils and cashew nuts (it’s best to soak plant-based sources of zinc prior to eating to remove acids that can block absorption); and also probiotic foods like natural yoghurt, sauerkraut, kefir, kimchi, miso and tempeh. Don’t forget about foods rich in quercetin either. This natural antioxidant and anti-inflammatory may  also act as a ‘zinc ionophore’ (helping zinc to get into your cells where it works best). It’s abundant in red onions, red grapes, honey, citrus fruits and capers. 

3. Lower your viral load

“Reducing your viral load is a key thing to be doing now that the virus is out and about in the community,” says Kaz. “If you’ve been around areas where you know the virus has been, you can either do a nasal spray, a gargle, or suck on a propolis or mānuka lozenge.”
Donna says the best way to irrigate your nasal passages and make oxygen absorption more efficient is to swim in the sea. If  taking a dip is out of the question, she recommends buying a ready-made nasal rinse rather than making your own as people sometimes burn their sinuses with overly salty homemade rinses. 

4. Stay active

Science has shown us for some time now that people who are aerobically active are less likely to get sick from colds or infections and that they recover more quickly. A 2021 study of 50,000 Californians who were infected with Covid found that those who were the most active before they were ill were the least likely to be hospitalised or die of the illness. Try and do 150–300 minutes of moderate-to-vigorous-intensity exercise per week (or 30 minutes a day). As well as formal exercise, remember that activities like cleaning and gardening also count and will help you move more and sit less.  

5. Stock your cupboards

Wanaka Health Bridge recommends adding these foods to your shopping list:

Herbs  

  • Fresh ginger root  
  • Fresh garlic bulbs  
  • Thyme 
  • Elderberries 
  • Echinacea  
  • Turmeric root  

Key nutrients  

  • Shiitake mushrooms  
  • Reishi mushrooms  
  • Lemons  
  • Kiwi fruit 
  • Berries  
  • Leafy greens  
  • Broccoli  
  • Sardines  
  • Pumpkin seeds  
  • Flax seeds  
  • In-season fresh fruit and vegetables  
  • Miso  
  • Organic vegetable broth 

6. DIY natural remedies

We’ve been using our gardens and pantries to heal ourselves since forever. Try some of these to boost your immunity and soothe mild illness.

Onions and honey 

Chop up an onion and put it in a jar with a tablespoon of honey. Leave overnight, then take spoonfuls of the liquid a couple of times a day. Donna says she also likes to add angiangi (the green woolly lichen from the uznea species, which you often find on old stonefruit trees). Or skip the onion and take 1 teaspoon of honey a day for gut health.

Herbal infusions and decoctions 

To make an infusion, which is like a herbal tea, simply pour boiling water over the dried leaves, steep for five minutes then drink. To make a decoction, which is the best way to access the properties of woody plants with thick leaves, gently simmer the plant material in water before cooling and drinking. Herb specialist Minette Tonoli (meadowsweet.co.nz) recommends good old lemon, ginger and honey tea, but also makes a tea out of 1 teaspoon each of dried yarrow, peppermint and elderflowers to bring down fevers. Donna’s top three plants for decoctions, which can be harvested and dried now, are kūmarahou and kānuka leaves and the leaves and flowers of mullein. 

Tomato tea 

Or try Minette’s tomato tea. Combine 1 litre of tomato juice (juice your own or buy it ready-made), 4–6 cloves of garlic, the juice of 2 lemons and half a teaspoon of cayenne pepper in a saucepan, bring to the boil then drink it as hot as you can manage. She advises drinking another cup four to six hours later. 

Sage gargle 

Make a sage tea by pouring boiling water over 2 tablespoons fresh or 1 tablespoon dried sage leaves. Steep for about 10 minutes, add a teaspoon of honey or cider vinegar, then once it’s cool enough, use it as  
a gargle. The good thing about this tea is that you can also drink the leftovers. 

Herbal inhaler 

Instead of buying a nasal decongestant, Donna says it’s easy to make your own. Put cotton buds inside an empty medicine bottle, add 20 drops of eucalyptus or kānuka oil and sniff as needed to clear your sinuses. 

7. Let nature nurture you

Any gardener will tell you how good being outdoors makes them feel. But visiting a beach or even a local park will improve your sense of well-being. Being in natural spaces also significantly decreases our stress levels, which in turn reduces blood pressure, heart rate, muscle tension and the production of stress hormones. Plus being outdoors is a fantastic way to stay connected with people while reducing the chances of transmitting the virus.

8. Get a decent night’s sleep

“There isn’t one facet of our mental or physical performance that isn’t affected by the quality of your sleep,” says sleep specialist Jane Wrigglesworth (howtosleepwell.org). She recommends seven to eight hours of sleep a night. And says if you’re having trouble sleeping, you should find out why. “A cup of chamomile tea using a standard tea bag is unlikely to help, for example, if your problem with sleep is caused by a thyroid imbalance. Combined valerian and passiflora is a time-honoured treatment for insomnia, but it depends on the individual.” 

9. Grow fast food

It doesn’t get fresher and more convenient than being able to eat food you’ve grown yourself, especially if you’re isolating at home. Sow or plant salad greens every couple of weeks so you’ve always got fresh veges ready to harvest. Or for really speedy fare, sow microgreens. Simply press seed into a container of moist potting mix, lightly cover with soil and spritz daily. They’ll be ready to harvest in as little as a week. Or sow bean sprouts in a jar. Place a couple of tablespoons of your favourite sprout seeds in a jar, cover with 5cm water, leave to sit overnight, then cover with muslin or a mesh lid (available at garden centres or health stores), rinse out the excess water, then rinse and drain again. Repeat this a couple of times a day for several days, by which time your sprouts will have tails and be ready to eat.

10. Monitor your health if you do get sick

If you do get sick, make sure you get tested. Have a thermometer handy so you can take your temperature (normal is around 36.5–37.5oC) and record it along with your other symptoms.

Donna advises, “If you have other conditions like asthma or diabetes or take more than three types of medications, get a second opinion about whether you should be isolating at home or whether you should see a doctor face to face.” 

The advice in this story is in addition to the government’s advice and isn’t intended to replace standard medical treatment for Covid-19. Visit covid19.govt.nz for the government’s latest health advice.  

Sanctity of the soil with Maanu Paul

Maanu Paul has been a kaitiaki of organic practices his entire life discovers Sue Allison in her new book on inspiring gardeners and gardens of Aotearoa. 

Photography: Juliet Nicholas
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Maanu Paul feels two responsibilities keenly and they are intertwined: to provide food for his whānau, and to do it with the utmost respect for Papatūānuku, Mother Earth. 

In a garden by Ōhope Beach, near Whakatāne, he grows vegetables and fruit using organic methods rooted in mātauranga (Māori knowledge), being mindful of his human role as a kaitiaki (guardian). 

Maanu is a community leader and strong advocate for his people. He has chaired the New Zealand Māori Council and supported Waitangi Tribunal claims relating to indigenous flora and fauna, the land and the seabed. He has taught in schools and tertiary institutions, has tohunga status in education, and wrote the constitution for Te Waka Kai Ora, the Māori National Organics Authority. In 2019, he was made an Officer of the New Zealand Order of Merit for Services to Māori. But Maanu’s thoughts are never far from the land, and his hands are happiest when covered in soil. 

“My father told me that it was the role of our ancestor, Moewhare, to provide food and sustenance for the tribe,” he says. A carving in the Apa-hāpai-taketake wharenui on the Ngāti Manawa marae in Murupara depicts Moewhare with a large-eyed dog. “It’s a hunting dog, and it’s got big eyes because it is always looking for food.” 

Maanu’s father grew vegetables in a 16-ha community garden beside his hapū’s Moewhare wharenui at Waiohau. “My father and his family would prepare the ground and the people would come and plant their potatoes and other vegetables. He would look after them, and at harvest time they would come with their sleds and carts and take their crops away.” 

Maanu grew up in Murupara, one of 10 children. After his mother died in childbirth when he was seven, he went to live with his paternal grandmother. “My father’s mother taught me how to grow things. She taught me that the soil is like a mother. You must feed and respect her, and she will feed the family.” He learned how to plant and harvest according to the maramataka (lunar calendar) and how to read the land’s signs. 

“I have memories of my father hopping on his horse and riding around the farm looking for the right valley to grow our vegetables. He told me that where the fern is as high as a horse, the land is fat. Ki te tipu rarauhe kia orite ki te hōiho he momona te whenua.  

“When he found a good spot, we would cut a fire break around it, then burn it, disc and harrow it, and plant pumpkins, potatoes, watermelon and kamokamo. The fern would come up at same time as our veges, letting in the light and rain and keeping the ground cool.” 

“My father’s mother taught me how to grow things. She taught me that the soil is like a mother. You must feed and respect her, and she will feed the family.” 

When Maanu was sent to live with his mother’s family in Whakatāne for his high school years, his horticultural education was broadened by his other tupuna. “My maternal grandmother taught me how to grow food on the coast where there is a different lunar calendar,” he says. The maramataka is interwoven with influences from the sea and wind and seasonal reminders for food gathering from endemic trees. The locals knew that when the kōwhai trees started flowering, it was time to harvest mussels. 

In 1962, Maanu married Gwenda, a teacher and social scientist who had also grown up in Murupara. The couple spent most of their working life and raised their four children in Hamilton, but Whakatāne always felt like home. In 1975, they had bought a 2-ha piece of family land at Ōhope Beach that was otherwise going to be taken over by the district council. 

“We are the tāngata whenua, the people of the land. We are the land, and the land is us,” says Pembroke Bird, kaumātua at Maanu’s tribal Rangitahi marae in Murupara. It is telling that the same word, ‘whenua’, means both land and placenta. “After a baby is born, we put the afterbirth back into the land and plant a tree on top. Respect and reverence for the whenua and Papatūānuku is everything. Everyone suffers when there is a disconnection.” 

With the wider family numbering in the hundreds, ownership and rates payment had been complex. Maanu’s solution was to take it over, but in his eyes it still belongs to whānau and he sees his role as growing for them just as his father did so many decades earlier at Waiohau. 

In 1990, Maanu and Gwenda moved permanently to Ōhope Beach. They bought an abandoned kiwifruit orchard that had been wrecked in the 1987 Edgecumbe earthquake, and, with the help of horticulturalist Sandy Scarrow, converted it to an organic venture. Maanu attended field days and listened to other orchardists, but he also applied his own thinking. 

After discovering that leaf-roller caterpillars, a bane of orchardists, were breeding in the shelter belts, he cut down the willows despite being advised not to do so. They never had a problem with the grubs again. To protect the kiwifruit vines from wind damage, Maanu pegged them to the ground, emulating their natural growth habit. 

While orchardists all around were netting their vines and setting off cannons, the Pauls left the birds alone. “The finches nip off some buds, but not all of them. They literally prune the vines and also eat insect pests,” says Gwenda. “Nature has its own way of balancing everything out.” 

They also introduced pigs to the orchard, as Maanu’s father had always done, to clean the land. The animals both rid the soil of the debilitating fungal root disease armillaria and fertilised the vines. 

Not only did the Pauls win the prize for the longest-keeping fruit every year, but their orchard was never affected by the Psa bacterial disease that decimated the industry. “When the disease came, we didn’t get it because our plants weren’t stressed,” says Maanu.  

When Maanu started to prepare the land at Ōhope Beach to grow vegetables, he found the remains of old kūmara pits and large shellfish middens left by his forebears. But the soil was dry, sandy and deficient in potassium. Over the years, he has enriched it with composted green waste and homemade liquid fertiliser. Fish guts, seaweed and potassium-rich kina are the key ingredients of Maanu’s potent brew, which ferments in a 44-gallon drum by the garden. 

Each vegetable plant is individually cared for. It has its own hole, dug into a small mound with a moat around it. Before planting, the hole is filled with rotted lawn clippings and a bucket of liquid fertiliser. There are no hoses in the garden. Every third day, Maanu carts buckets of fresh water down from the house on the back of his old Massey Ferguson tractor, and each plant gets a 10-litre drink. “Bucket-watering gives me a chance to look at the plants.”  

They thrive under his scrutiny. Colossal red onions, enormous pumpkins and rhubarb with leaves the size of gunnera grow among lettuces, cucumbers, chillies and tomatoes. Beetroot, kūmara and other root crops grow fat in the well-fed soils, while beans clamber over teepees made using bamboo poles grown on the property.  

All around are native trees. Pōhutukawa, kahikatea, karaka and kawakawa, which they use to make tea, grow among banana palms, oranges, avocado and fig trees. Apples, persimmons and peaches are abundant, and there’s not a curly leaf in sight. Flowering penstemon bring the bees, while detrimental insects and caterpillars are deterred with spray made from boiled rhubarb leaves. 

In winter, Maanu covers the beds with a thick layer of lawn clippings, suppressing any weeds and ready to mulch the following year’s crops. Gwenda and Maanu have 18 mokopuna, an ever-increasing brood of great-grandchildren and large extended families on both sides. Whānau are free to help themselves to the bounty of the garden. 

But Maanu’s concern is for more than providing food for his family. It is for future generations. At the heart of mātauranga are the principles of tikanga, the physical and metaphysical values brought by the ancestors who island-hopped across Te Moana-nui-a-Kiwa (the Pacific Ocean), adopting and adapting the ways of the people with whom they interacted. “When the Pākehā came, we adopted too many of their ways,” he says. 

Tikanga literally means ‘right practices’, and it is humans’ responsibility as kaitiaki to ensure they are maintained. “The kaitiaki role is a dynamic one which requires constant monitoring” says Maanu, who decries the economic forces that put ‘money-whenua’ ahead of mana whenua. “We are paying the price for putting chemicals on our land. Surely we will learn some lessons? We now need to reimpose our way of doing things. We need to go back to the organic way of growing, the Māori way of growing that respects the sanctity of the soil.”  

This is an edited extract from In the Company of Gardeners by Sue Allison, photography by Juliet Nicholas (Penguin Random House, $55). 


Raw blackcurrant & vanilla cheesecake recipe

Recipe by Harriet Meyer-Knight

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For the crust 

½ cup raw cashews  
½ cup activated almonds  
½ cup pitted dates  
2 T  coconut oil  
1 tsp  vanilla bean powder  
¼ tsp  kosher salt  

For the cheesecake 

2 cups  cashews, soaked in cold water for at least 4 hours or preferably overnight  
½ cup  coconut cream  
¼ cup  coconut oil  
⅓ cup  maple syrup  
2 T  fresh lemon juice  
1 T  vanilla bean powder  
¼ cup freeze-dried blackcurrant powder  

For the berry layer 

1 cup  fresh or frozen ViBERi Blackcurrants or ViBERi SuperBeri Mix (thawed, if frozen)  
1 T  fresh lemon juice 
1 T  chia seeds 

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  1. Place the crust ingredients into a high-powered blender and pulverize until it comes together into a sort of sticky dough, with small nut bits remaining. Don’t over process. Press evenly on the bottom of a bottomless cake tin (roughly 20 cm). 
  1. In a high-powered blender, combine all filling ingredients except the freeze-dried blackcurrants. Blend for about 2 minutes, or until the mixture is silky smooth and creamy. Scrape down the sides, as necessary. You may need to add a bit more coconut milk or lemon juice to get it to blend smoothly if your blender isn’t super high-powered. Once it’s smooth, taste the mixture and adjust the sweetness and tartness levels by adding more maple syrup, vanilla or lemon juice, if desired.  
  1. Pour two-thirds of the filling into the prepared pan over the crust. Smooth out the top and tap the pan hard against the counter a few times to release any air bubbles. Place in the freezer. Add the freeze-dried blackcurrants to the remaining batter and blend to incorporate. Spread over the plain layer. Return to the freezer.  
  1. Rinse out the blender and add the fresh or thawed blackcurrants, lemon juice and chia seeds to it. Blend until smooth, then pour over the other layers.  
  1. Place in the freezer to set for at least 3 hours or until completely firm before slicing and serving. Run your knife under hot water to warm it up before cutting the cheesecake with the still-hot (dried) knife. You can let it thaw for about 20 minutes from frozen at room temperature, or for the best texture, transfer to the refrigerator at least an hour before serving. Store in the refrigerator for up to 5 days, or in the freezer for up to 2 weeks.  
  1. Serve with a sprinkle of fresh or freeze-dried berries and edible flowers like pansies if you have them. 

Taking the plunge into cold-water immersion

Immersing yourself in cold water has many health benefits, as Anne Gastinger discovers. 

 

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My grandfather first introduced me to the sea when I was a toddler. I remember him holding me steady as we braced against the surf’s edge on Hokitika Beach, foam-flecked water swirling around our feet. It was all good fun until the ebb of the Tasman Sea gouged the sand from under our soles, leaving me petrified and my grandfather having to deal with the tears.  

This childhood memory periodically returns when I’m swimming in the sea or inland in lakes and rivers. The mercurial temperaments of these environments demand our vigilance and respect. Even so, Aotearoa’s raw nature abounds in swimming spots ideal for an invigorating dip on fair weather days. As well as the exhilarating thrill, swimming in cold wild water is of great benefit to our wellbeing. 

Relief for migraines

Migraines have plagued me since adulthood. In the first years when the pain would begin I’d hunker under the bed covers in a quiet darkened room with a cold flannel over my forehead. Taking a soothing shower also brought momentary relief but there seemed no avoiding the long, gruelling hours ahead until the episode passed. Or so I thought, until I was caught out with a migraine during a long car trip with my older brother. Pulling the car into a clearing by the Motueka River, my brother suggested I rest in the river shallows. The cool water flowing over me did help. The pain eased and we were able to travel on.  

I now swim regularly through the spring, summer and autumn months at my local beach. During winter my attendance rate is poor but I’m working on that, because bathing in nature’s cold waters alleviates the frequency and intensity of my migraines.  

Tips for cold dips 

When swimming in water 16ºC or colder, take note of the following.  If you have an underlying health condition, first seek medical advice. 

  • Check weather conditions and ensure the location and water quality are suitable for swimming. 
  • Start with short dips and wade in slowly. It feels painful, but the body adjusts. Learn your limits, and swim with others.  
  • Head under or not? Keep your face above water until breathing is under control. Cold water frequently entering the ear canal can cause an abnormal bone growth commonly known as surfer’s ear. Protect your ears by wearing a silicone swimming hat and/or ear plugs. 
  • Beware of hypothermia, which occurs when body temperature falls below 35ºC. If you slow down or shiver, get out and warm up. The length of time you can swim in cold water without hypothermia depends on body size and shape, experience and training. 
  • When to get out? Practice caution. Experienced swimmers: 10 minutes for health benefits. 

The feel-good factor

In recent years the time-honoured practice of swimming in cold wild waters has gained momentum as word spreads about its energising, stress-relieving and mood-enhancing benefits.  

Kerry Newton is the founder of Ōtautahi-based Scarborough Dippers. She started her group in 2017 with four members, aiming to complete the Wet July daily sea-swim challenge as a fundraiser for charity. The experience proved so successful that membership now tops 30, with ages ranging from 20 to 80 plus.  

The Scarborough Dippers swim year-round, even through winter months in Canterbury when water temperatures hover around 9ºC. Kerry believes the popularity of the Scarborough Dippers is due to “the social contact, the feel-good factor and the improved immunity against getting colds”. 

When stress can strengthen

The health claims of cold-water dipping have garnered attention in the scientific community. While there are serious risks if one does not adhere to safety guidelines, the evidence emerging about the adaptions our body undergoes when stressed by cold water is compelling. So much so that Grant Schofield, a professor of public health at Auckland University of Technology and himself a daily cold-water dipper, describes the practice as “effectively upgrading your brain”.  

“Cold water is stressful on the body. Under stress we build back even better than we started,” Professor Schofield said on Radio NZ in August 2021, and confirmed his comments when contacted by Organic NZ

“Some of these beneficial adaptions include the conversion of white fat to beneficial more metabolically active brown fat, and increased secretion of the hormone irisine from the muscles which aids glucose and fat metabolism. These changes are adaptations to the stress of the cold and they help the mind and body be a more efficient version of itself.” 

The Scarborough dippers braving the cold water on a Canterbury winter’s day at Te Onepoto – Taylors Mistake Bay

Mental health gains 

There are also mental health gains from cold-water swimming, Professor Schofield says. “Cold-water immersion helps remove and regulate a neurotransmitter, glutamate, that is implicated in depression and anxiety and up-regulates GABA (an inhibitory neurotransmitter), so you have a feeling of calmness.”  

Researchers in the UK showcased this effect by helping a woman suffering from long-term severe depression to manage her health medication-free just by taking weekly cold-water swims. When immersed in chilly water at temperatures of 14ºC, the body creates over five times its normal level of noradrenaline (a neurotransmitter that prepares the body for action) and more than doubles levels of the feelgood neurotransmitter dopamine, Czech researchers discovered. This increase in chemicals crucial for healthy brain function might explain the post-cold-swim euphoria many swimmers feel. 

Depression, arthritis, dementia 

Not only can cold-water exposure combat depression, it has also been shown to boost energy, aid cognition and relieve arthritis. One study found that regular winter dippers in Finland reported experiencing less tension and fatigue, improved mood and memory, and less arthritic pain. Another study of cold-water swimmers in Germany found they contracted significantly fewer respiratory infections than the general population. 

At a time when dementia in Western societies is on the increase, cold-water bathing may yet prove a means of delaying or even preventing its onset. In 2018 researchers in the UK found cold-water swimmers who regularly lower their body temperatures to 35ºC produce a ‘cold-shock’ protein, known as RNA-binding protein 3 (RBM3). This protein has been shown not only to slow the onset of dementia in mice, but even repair some of the damage caused by the disease. 

Double dip with forest bathing

The Southern Pacific waters surrounding our shoreline are ideal for cold-water bathing. Inland we have many rivers and lakes lined with native bush, some still in pristine condition. Bathing in these wild waters is in a sense double-dipping in terms of health rewards.  

Peter Wohlleben, German forester and bestselling author, explains why in his latest book The Heartbeat of Trees. Trees, he tells us, release compounds into the air in order to communicate among themselves. These arboreal chemicals are an elixir for our health.  

The evidence is so compelling that Japanese doctors issue prescriptions to their patients for ‘forest bathing’, called shinrin-yoku. When walking in the bush or swimming in rivers and lakes surrounded by healthy, diverse forest, the arboreal compounds we inhale aid our circulatory system and lower our blood pressure. Trees produce protective antimicrobial phytoncides to ward off fungal attacks. These help allergy sufferers and reduce inflammation in the human body. 

Furthermore, forest bathing may have a protective effect against cancer. Japanese researchers compared a group of people who went forest bathing with a group who did a city walk. They found that the forest bathers had an increase in cancer-killing cells and anti-cancer proteins. ‘The elevated concentrations of both can be detected in … blood up to seven days after the forest walk.’  

Korean researchers examining this phenomenon discovered that elderly female forest bathers’ blood pressure, lung capacity and artery elasticity all improved significantly more than their sister city walkers. This is all good news for those taking a walk, tramp, or bike ride through the bush en route to a river or lake swim. 

Acclimatise and stay safe 

For those new to cold-water dipping, summertime when marine, river and lake temperatures are warmer is an ideal time to begin acclimatising your body to cold-water shock. This is our initial breath-gasping stress response to the sudden drop in skin temperature caused by the cold water. The quickened breathing rate, along with an increase in blood pressure, lasts some minutes. As we acclimatise – which can occur after as few as six cold-water swims – our bodies adapt to better withstand cold temperatures. 

After leaving the water, dry and dress yourself quickly in warm garments that are easy to slip on. It’s not uncommon ten or so minutes afterwards to get the shivers as ‘after drop’ kicks in. When cold, the body cleverly protects its vital core organs by reducing blood flow to the skin and limbs. Our core stays warm while our extremities cool. Back on land when peripheral vasoconstriction ends, the cooler blood mixes with the warmer blood, causing a drop in deep body temperature. Be prepared with a hot drink in a thermos for afterwards.  

Healthy habits

Cold-water swimming, when practised according to safety guidelines, is an effective means of aiding and maintaining health. As Professor Schofield says: “We’re such great adapters, we un-adapt at the same rate if we’re sedentary.” Like all good health practices it works best if undertaken regularly. 


Anne Gastinger lives, gardens and writes in Ōtautahi Christchurch, and enjoys swimming at Waimairi Beach.