soil health Archives - LandWISE - Promoting sustainable land management https://www.landwise.org.nz/category/soil-health/ LandWISE promotes sustainable production through leadership, support and research. Since we began in a field in 1999, we’ve completed a range of projects helping to conserve our soils, use our water wisely and get environmental and economic benefits from new (and old) technology options. Thu, 10 Oct 2024 03:11:52 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.2 https://i0.wp.com/www.landwise.org.nz/wp-content/uploads/2022/03/Landwise-logo-sm20.jpg.jpg?fit=32%2C11&ssl=1 soil health Archives - LandWISE - Promoting sustainable land management https://www.landwise.org.nz/category/soil-health/ 32 32 204183287 Cover Crop Update https://www.landwise.org.nz/2024/10/10/cover-crop-update/ Thu, 10 Oct 2024 03:07:10 +0000 https://www.landwise.org.nz/?p=2159 In the above picture, you can see our McCain Foods pea crop planted into cultivated (Conventional treatment) soil on the left, and into sprayed our mixed cover crop (Hybrid treatment) in the centre. The golden patch is mixed cover crop residue in the Regenerative treatment plot that was mulched on 1 October. Some of the...

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In the above picture, you can see our McCain Foods pea crop planted into cultivated (Conventional treatment) soil on the left, and into sprayed our mixed cover crop (Hybrid treatment) in the centre. The golden patch is mixed cover crop residue in the Regenerative treatment plot that was mulched on 1 October. Some of the oats, tillage radish and other species remain alive under the mulch.

To completely terminate the cover prior to planting green beans in December, the Operations Advisory Group has decided to run disks over the plots to mix soil into the mulched residue to hasten its breakdown. They recommend spraying urea and a digester on to the residue first, to support the microbe population increase needed to chew through about 11 t/ha of biomass dry matter.

One of our big unknowns, is whether we can terminate the cover crops using a roller-crimper. Our literature and phone-calls-to-farmers research suggest timing is absolutely critical, and it is unlikely multiple species will be just right on the same day. We found for example, that the tillage radish was setting seed while the oats were not sufficiently mature for crushing. In our Regenerative treatment plots, we decided to mulch the five-species mix to avoid adding a gazillion radish seeds to our already well-stocked seed-bank.

Alex mulching the Regenerative treatment five-species cover crop before seed-set in the tillage radish.

We have also started termination programmes in the extra cover crops we planted. One crop is the same five-species mix as in the Carbon Positive Regenerative and Hybrid plots. Another is rye corn, one has straight tic beans, and one has tic beans and rye corn.

Five-species mix
Rye corn
Tic beans

These crops were planted so we can try things without affecting the Carbon Positive plots. We started crushing strips with a roller-crimper on 10 October and will do more strips over the next few weeks. We are also considering mulching some and spraying any regrowth.

TRS using the Braun crimper-roller to crimp cover crops at the MicroFarm

The images below show the bruised bars in the cover crops after roller-crimping. The theory is that once plants reach physiological maturity and flowering, they will not continue new vegetative growth if damaged. Bruising is thought better than cutting.

Crimped oats and tillage radish in 5-species mix
Crimped rye corn
Crimped tic beans

Thanks to TRS in Hastings for providing the tractor and crimper for these trials. We will be demonstrating it working at our Field Walk on Tuesday 15 October at the LandWISE MicroFarm. Everyone is welcome – but please register for free.

This work is being completed as part of the MPI Funded Carbon Positive project, a joint programme with the Hawke’s Bay Future Farming Trust. We a grateful for our industry sponsors and everyone who contributes through advisory groups, being tolerant contractors, and in many small ways!

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September 2024 at the MicroFarm https://www.landwise.org.nz/2024/10/03/september-2024-at-the-microfarm/ Thu, 03 Oct 2024 04:25:31 +0000 https://www.landwise.org.nz/?p=2128 As they say, spring has sprung here at the MicroFarm. It has been a busy start to the 2024-2025 cropping season. With the help of McCain Foods and Mike Kettle Contracting our early peas were planted on the 3rd of September, six days after our target date. Pea Planting The Conventional treatment, which was planted...

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As they say, spring has sprung here at the MicroFarm. It has been a busy start to the 2024-2025 cropping season. With the help of McCain Foods and Mike Kettle Contracting our early peas were planted on the 3rd of September, six days after our target date.

Pea Planting

The Conventional treatment, which was planted in annual ryegrass, was sprayed out one month ahead of planting, then ploughed, disced (x2) and power harrowed in preparation for planting peas. The Hybrid treatment, which was planted in a diverse mix of mainly black oats, tillage radish and vetch, was sprayed out one month ahead of planting, with the intention of letting the cover crop rot down and peas were direct drilled. The Regenerative treatment was not be planted in peas, and instead left in a restorative phase for an extended period, whereby some of the intensity is reduced from this system.

We ran into some roadblocks in the Hybrid. As the consequence of spraying out early was that there was no evapotranspiration from the crop, so the soil was slow to dry after rain. We didn’t want to cultivate this treatment, therefore didn’t have the option to speed up drying through ‘opening’ the soil. In our ‘dry runs’ with the planter, a distinct slot was created, which would mean the soil to seed contact would not be good. It would also create a nice little home for slugs. To keep with our production plan, we delayed our planting date to get a bit more drying time, so the soil was dry enough for some tilth to be created.

Additional seed treatment

The Hybrid seed was treated with Trichoderma, based on promising trial results from Wattie’s in Canterbury. This was added to the seed, on top of the standard McCain seed treatment. The Hybrid was drilled through the standing sprayed out cover crop, so the residue was anchored, and then mulched after planting. The main concern with leaving the cover crop standing is that some of the tillage radishes had popped out of the ground. If left standing, they could be picked up by the harvester and end up at the factory.

Pūkeko as far as the eye can see

In the days after the peas started to emerge, we found the treatments overrun with pest animals – pūkeko, rabbits, sparrows and pigeons. This is perhaps to be expected, however as each plot is only 0.1ha, every plant is precious! We actively managed these pests to minimise the damage. As a result, we have seen a few more hawks around, which is hopefully deterring some of the unwanted bird life.

Soil Temperature

Soil temperature in the planting line was recorded every 15 minutes for three weeks from planting. using iButton microloggers. Soil temperature in the Conventional treatment (cultivated/bare soil) was consistently higher than the Hybrid (direct drilled/mulched).

Pea emergence

Plant emergence has been monitored since the 24th of September. Four x 1m2 quadrats are counted in each plot, each day to monitor the rate of emergence. Plants are counted when the first leaves have unfurled/flattened. The Conventional treatment population is higher and more uniform than the Hybrid, which has been slower to emerge. This is likely to be related to lower soil temperature and soil conditions at planting.

Upcoming field walk

Our next field walk will be at 1pm on the 15th of October. Come along and join the conversation! Register here!

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Lessons from two years of winter cover crops https://www.landwise.org.nz/2024/10/03/lessons-from-two-years-of-winter-cover-crops/ Thu, 03 Oct 2024 04:20:47 +0000 https://www.landwise.org.nz/?p=2138 When the Carbon Positive project began, most of the Operations Advisory Group probably thought “six years = six crops”. Certainly, the focus for the operations group has been on the summer crop(s). A lot of energy has been put into getting the operations right for each treatment. Our winter cover crops, initially thought to be just...

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When the Carbon Positive project began, most of the Operations Advisory Group probably thought “six years = six crops”. Certainly, the focus for the operations group has been on the summer crop(s). A lot of energy has been put into getting the operations right for each treatment. Our winter cover crops, initially thought to be just something that happens between cash crops, have turned out to be more important than expected. We are now seeing the project as growing twelve or thirteen crops in six years!

What to plant?

First off, what should we plant? I don’t think we have yet got our cover crop mixes quite right. This year, our hybrid and regen treatments were planted in a diverse mix of 7 species (black oats, tillage radish, vetch, buckwheat, sunflowers, crimson clover and Persian clover). This was to get lots of plant diversity over the winter.

A frost in May killed the buckwheat and sunflowers, which meant they weren’t present over the winter. We planted tillage radish as it is supposed to be the “crowbar of the soil” and will break through tillage pans. Unfortunately, our radishes knew better, hit the pan and, in some areas, popped themselves 10cm out of the ground. This is potentially an issue for both the hybrid and the regen treatments, as chunks of radish could be picked up by the harvester and end up at the factory which may be a problem for product contamination.

Additionally, the radish started to flower and was beginning to set seed, so radish if unmanaged, could have become be a new weed species for us.

In this conversation, there is the question of how much plant diversity do we need? Some of the species we are using, might be okay in a pastoral grazing scenario, but could be hard to manage in a cropping system and therefore become a weed for us. In the systems we are looking at, are we able to select fewer plants, that provide functional diversity, without adding added complexity of to the management of the cover crop?

Another consideration is disease carry over. We intentionally avoided planting tic beans this year, as they could carry unwanted diseases into the following legume crops. Tic beans may be an option ahead of other crops.

Do we graze?

One of the five regenerative principles is to integrate livestock, which we have not yet done in our Regen treatment. However we have grazed our Conventional treatment, which might seem a bit backwards. It is common for Heretaunga Plains growers to plant an annual ryegrass over the winter and graze it with lambs, so we are including sheep in our Conventional treatment.

In the last two years, we wanted to use the cover crop as a mulch on the surface for our main crop to keep the soil surface covered, another of our regenerative principles. If we have a mulch on the soil surface, we hope it will significantly reduce the need for herbicides. To do this effectively, we need to grow a lot of biomass, and therefore don’t want to have sheep or cattle grazing it. We don’t really have a long enough winter growing season to do both. This is where we find tension between some of the regen principles when applied to an annual cropping system. We might yet include livestock; however, we aren’t sure what this will look like in practice.

In addition, lambs can do considerable soil damage over the winter. The photos below show the difference between grazing for a couple of weeks in dry conditions and grazing over a wet weekend this winter.

When to terminate?

Ahead of the tomato planting last year, we had a cover crop of oats, vetch and lupins in the Regen treatment. You may remember that we planned to use a modified tomato planter, which transplants seedlings directly into a mulched cover crop, eliminating the need for both cultivation and herbicides. Just before planting, we met two problems with this plan.

The first issue was that the cover crop was still actively growing and sucking moisture out of the soil, so the soil was very dry in the regen treatment. This led to large, blocky clumps of soil forming in the top 10cm of the profile. The second issue was that the timing of maturity wasn’t right for mulching and killing the oats. In a test area of cover crop, we found the oats regrow, and we had very limited herbicide options to deal with this. It might have worked if we had waited a couple of weeks, however we were working with a factory schedule and had a planting date that wasn’t very flexible.

We want to apply lessons from that experience this year. We are already seeing low soil moisture levels and low nitrate levels in the Regen treatment. To manage the amount of biomass we have grown, and stop the flowering radish from seeding, the cover crop was mulched on the 1st of October. We expect the mulching will not kill the oats, and that we will need to manage regrowth.

How to terminate?

We planted a winter cover crop, it has grown all winter, so what next? Our Operations Advisory Group is having an ongoing discussion on how we terminate it in our Regen treatment. The initial plan was to use a roller crimper, but the consensus is that this is probably not quite the right tool for the job. We have since mulched the cover crop, but we will need another action to terminate it (oats weren’t mature enough). We have two options; we either spray out the oat regrowth or we cultivate to bury the residue.

This is an important conversation for us, as the use of glyphosate is not widely accepted by the Regenerative community. But our discussions with no-till or minimum tillage growers, and some of the Canterbury regenerative croppers, show it is an important tool for successfully reducing or eliminating cultivation. Most of the literature indicates that cultivating is the number one thing to avoid if we want to increase soil carbon, which is the main metric in this trial.

Weed management is a key consideration in beans as there are few herbicide options. If the crop is too weedy it won’t be harvested. If we cultivate, we will have to manage weeds through a suite of other herbicides that have the potential to as harmful as, or worse than glyphosate when compared using the Environmental Impact Quotient.

How do we best minimise soil disturbance? Both cultivation and herbicide use fall into the category of soil disturbance. The question for our operations group comes down to what is the ‘lesser of two evils’- glyphosate or cultivation?

More questions than answers!

A key lesson from the last two years, is that cover crops are important. We have also found that cover crop management is quite complex. There are a lot of questions we need to ask ourselves:

• What is best to plant? Does this change depending on what we grow next?

• What is the ideal way to terminate, in order to minimise soil disturbance?

• How will the timing of termination impact the planting date?

• How much diversity do we want/need?

• How do we manage the biomass grown?

• What additional equipment do we need?

• Livestock vs mulch? Cattle vs sheep?

The answers to these questions will probably change for each crop, each year depending on a whole range of factors. We have established a small separate demonstration area on site where we are playing around with different cover crop options so we can learn more each winter.

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More questions than answers – Regenerative Ag https://www.landwise.org.nz/2024/08/05/more-questions-than-answers-regenerative-ag/ Mon, 05 Aug 2024 00:00:07 +0000 https://www.landwise.org.nz/?p=2077 LandWISE Project Manager Alex Dickson discusses some of her thoughts on Regenerative Agriculture after her trip to Europe in June. As I grapple with my own understanding of Regenerative Agriculture (RA), a trip to Europe was just the thing I needed to provide me with more questions than answers! EU Green Deal- Farm to Fork...

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LandWISE Project Manager Alex Dickson discusses some of her thoughts on Regenerative Agriculture after her trip to Europe in June.

As I grapple with my own understanding of Regenerative Agriculture (RA), a trip to Europe was just the thing I needed to provide me with more questions than answers!

  1. What are the right policy tools to support both sustainable food production and growers making a livelihood?
  2. How does RA scale to go beyond a ‘buzz word’ to have a meaningful impact on the environment?
  3. What role do large corporations play in the transition to Regen Ag?
Sugar beet research trial at Bayer’s ForwardFarm near Monheim, Germany

EU Green Deal- Farm to Fork Policy

In 2020 the European Union introduced the Farm to Fork (FTF) policy as part of the EU Green Deal. The policy aims to rethink the whole food value chain, minimise the environmental impact of food production, improve resource efficiency and enhance biodiversity.

Targets set by the FTF include:

  • 50% reduction in the use and risk of chemical pesticides by 2030
  • 50% reduction in nutrient losses, while ensuring no deterioration in soil fertility by 2030
  • 20% reduction in fertiliser use by 2030
  • 50% reduction in the sales of antimicrobials for farmed animals and aquaculture by 2030
  • 25% of total farmland to be farmed organically by 2030 (9.9% of farmed area was under organic farming in 2021).

These are ambitious targets. In response to these targets, European businesses of all sizes are having to rethink what ‘the system’ looks like in the future and how they fit into food production not only in the face of environmental policy like the FTF, but also in a changing natural environment.

“Regenerative practices are for the future, not for today”

A quote by Tony Salas (founder of Shared X, Peru) at the 2024 IFAMA Conference in a session dedicated to discussing the future Regenerative Agriculture. Shifting from conventional growing methods to regenerative methods shifts the focus from yield, to the management of a functional ecosystem with an emphasis on healthy soils.

Salas reflected on the challenges that the Organic Agricultural movement has had in scaling globally, in 2021 only about 1.6% of total agricultural land was managed organically, and in global food sales organic produce accounted for 1-2%. Such challenges include regulatory barriers, reduced yields, market and distribution challenges and lower profitability.

So what should the regenerative system approach be? How do we scale RA to improve ecosystem and soil health, AND ALSO feed a growing global population, meet increasingly stringent regulatory targets and provide farmers and growers with a good income? Three key points stood out;

  1. Focus on adopting a continuous improvement model (Plan>Do>Check>Act) at all stages of the food-value chain
  2. Develop flexible standards and avoid exclusive certification
  3. Actions must be underpinned with a focus of minimising agricultures contribution to climate change.

“From ‘producing more with less’ to ‘producing more and restoring more’.”

A comment from Kai Wirtz from Bayer, one of the worlds largest agri-chemical companies. Bayer are putting Regenerative Agriculture (RA) at the heart of their company, with a vision to restore nature, and scale regenerative agriculture. They believe that it is possible to grow more using regenerative practices. Their sustainability commitments include reducing GHG emissions per kilogram of crop by 30%, reducing the environmental impact of crop protection by 30%, and supporting 100 million smallholder farms in low and middle-income countries.

Bayer has a global footprint, and they see their portfolio of products and technologies being integrated into regenerative agricultural systems, taking a multi-crop/multi-season approach to farming. This portfolio includes biologicals, crop protection, advanced seed breeding and digital tools.

“Regenerative agriculture is not a destination but a path”

I have arrived home with more questions than answers.

Europe appears to be leaning into regenerative agriculture in a big way, in response to not only stricter environmental policy, but also in what seems to be reasonably genuine concern for the future of the planet and our collective ability to feed a growing population. Large companies (like Bayer) are positioning themselves in the market to support growers in implementing regenerative practices to suit their individual farm systems in countries around the world. We see this in platforms like the Sustainable Agricultural Initiative (SAI), who have signed on over 180 global companies, with the shared goal of transforming agricultural practice for a more sustainable future.

Back in New Zealand, I wonder if we are taking regenerative agriculture serious enough? There are many unknowns, we don’t really know how RA works in NZ farm systems (though we are trying to find out) and change is scary – I find that in our own project. However, I think we know enough to have a go, to start exploring ways of improving management practice to restore ecosystem and soil health.

How do we scale regenerative agriculture in a way that we have meaningful impact on restoring the environment? How do we access the technologies being developed overseas to support change? What does the future of market access look like if we don’t adapt? What does the future of our environment look like if we don’t start to look after our soils?

Or to put it more positively, what does the future look like if we do start to look after our soils? What are the possibilities?

Some other interesting business to explore

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Carbon Positive https://www.landwise.org.nz/2024/07/01/carbon-positive-3/ Mon, 01 Jul 2024 05:06:12 +0000 https://www.landwise.org.nz/?p=2050 June update Most of June has involved watching cover crops grow! but we also completed a series of soil measurements including visual soil assessments (VSAs) and worm counts, and we have sampled for labile soil carbon. To monitor the cover crops’ development, we have made weekly ground cover measurements since germination using the smartphone Canopeo...

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June update

Most of June has involved watching cover crops grow! but we also completed a series of soil measurements including visual soil assessments (VSAs) and worm counts, and we have sampled for labile soil carbon.

To monitor the cover crops’ development, we have made weekly ground cover measurements since germination using the smartphone Canopeo app. Canopeo allows us to track growth many times without disturbing the crop in our key measurement plots.

Original RGB photo of an area of cover crop showing oats and radish, small vetch is hard to see. Most of the sunflowers were hit by frosts.
Image after Canopeo processing converts foliage (green) to white and soil (black or brown) to black. The percentage that is white is calculated.

We saw that the annual ryegrass in the conventional treatment plots reached a high ground cover percentage faster than the mixed oats, radish, vetch, sunflower mix in the hybrid and regenerative plots which are relatively sparsely planted. By the end of June, there was less difference, and the cover crops are much taller than the ryegrass. We intend grazing the ryegrass with lambs once the soil dries out some! The mixed covers will not be grazed. We will make harvest cuts and determine the actual dry biomass in all the plots before we terminate the cover crops.

A graph of the ground cover percentage of three cover crops showing conventional (annual ryegrass) plots gained ground cover faster but by the end of June, all are similar.

We think we are starting to see changes in the VSA tests, generally in a positive direction. Three examples are shown below. But remember, one image from a test at one time of year is not enough to give statistically relevant answers!! What we do see is that annual ryegrass can give good nutty structure quite quickly. Given the different cultivation that the treatments were given before tomatoes, we are not too surprised to see some differences. The hybrid plots suffered from a rotary hoe while the soil was still wet, and the subsequent pan development remains noticeable. The soil moisture was ideal for VSA when we did these in early June, and that will have helped increase scores relative to those we did in wet soil in previous seasons.

Conventional VSA
Hybrid VSA
Regen VSA

Carbon in the soil takes many forms, including mineral/inorganic calcium carbonate, the main component of limestone. The organic carbon components are often thought of as fitting into one of two pools: the “stable” and “labile” fractions. The stable fraction, which may be protected by clay minerals or soil aggregates, or be chemically persistent, takes years to centuries to decompose and to build up so annual changes are very small. Labile carbon breaks down in days or years and is the portion of soil organic carbon that consists of soil microbial biomass carbon, dissolved organic matter, and easily oxidative organic matter. Because it can be readily decomposed by soil organisms, it is the fraction of soil organic carbon with the most rapid turnover times, and its oxidation drives the movement of CO2 between soils and atmosphere. It is an active source of nutrition and an indicator of change in the soil.

We are sampling all carbon at the beginning, middle and end of the Carbon Positive project. We are sampling for labile carbon a couple of times each year, basically in spring and autumn. We have been taking labile samples to 60cm depth, split into 0-15, 15-30, and 30-60cm bands. These are the very active root zone in the cultivated depth and the area below it, which still has significant root and micro-organism activity. As well as Hill Laboratories’ measurement of labile carbon percentage using the Hot Water Extractable Carbon method, we are determining the actual soil bulk density so we can accurately assess the tonnes of labile carbon per hectare. Hill Labs has a very informative technical note on soil carbon tests.

Soil sampling to 60cm to assess labile carbon levels. Thanks Hayden from Tipu Services for lending a hand!

We also completed the Milestone 7 report which gives a lot of information about the development and outcomes of the process tomato crops we grew with Heinz-Watties last summer. Now we are reviewing our plans for the coming season and making sure things are ready.

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Rebuilding Our Soils – Successful Conference https://www.landwise.org.nz/2024/05/22/rebuilding-our-soils-successful-conference/ Tue, 21 May 2024 22:32:10 +0000 https://www.landwise.org.nz/?p=2008 Many thanks to everybody involved in our 2024 Annual Conference! All up we had 99 registrants who heard from 23 amazing presenters and saw 9 different practical demonstrations. Our special thanks to everyone who contributed by sharing their knowledge and experiences, and to delegates for their active interaction. Thanks to Pure Catering and our hosts...

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Many thanks to everybody involved in our 2024 Annual Conference! All up we had 99 registrants who heard from 23 amazing presenters and saw 9 different practical demonstrations. Our special thanks to everyone who contributed by sharing their knowledge and experiences, and to delegates for their active interaction. Thanks to Pure Catering and our hosts at the Havelock North Function Centre and at the Centre for Land and Water which hosts our MicroFarm and the demonstrations.

Many thanks also to our conference sponsors and supporters. These organisations support us through the year as well as for the conference and we are very grateful. They are the most loyal of partners we could hope for.

Ka mau te wehi!

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Rebuilding Our Soils https://www.landwise.org.nz/2024/04/26/rebuilding-our-soils/ Fri, 26 Apr 2024 01:20:18 +0000 https://www.landwise.org.nz/?p=1837 LandWISE 2024 – Rebuilding Our Soils Havelock North – 15-16 May 2024 We are looking forward to our annual conference this week. We will report on our current work with industry, researchers and growers seeking out and trialing best ways to rebuild soil.Our invited speakers will present alternative practices and novel ideas, some perhaps fringe,...

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We are looking forward to our annual conference this week.
We will report on our current work with industry, researchers and growers
seeking out and trialing best ways to rebuild soil.
Our invited speakers will present alternative practices and novel ideas,
some perhaps fringe, but all looking to be mainstream, on a range of topics.

The key topics in 2024 are:

Carbon Positive – Regenerative Cropping
Alternative Pest Management
A year on – Cyclone impacts
Data capture to understanding
New Zealand Agritech
Novel Technologies

We welcome presenters old and new and are most excited by
the breadth and depth of knowledge they offer on many topics.
We also have a great range of practical demonstrations lined up for
viewing at the MicroFarm.

The draft programme is available now, and registrations are open.

We are delighted that Apatu Group is continuing their sponsorship
to allow secondary students free conference attendance, and that
for 2024 they have been joined by Vegetables NZ and Onions NZ
so an even larger cohort can attend.

We view this as a vital element, as such students are indeed the future of our industry,
and feedback from previous years has been very positive.

Discount for our Financial Members = pay for one day, get the other free. See you there!

Thanks to BASF Crop Protection and Hawke’s Bay Regional Council for continuing their Platinum Sponsorships. Both are long-term, loyal supporters and we are most grateful. Our other loyal supporters are also back with us, so please take time to look and give them your support in return.

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Revitalise Te Taiao https://www.landwise.org.nz/2024/04/26/revitalise-te-taiao/ Fri, 26 Apr 2024 00:55:28 +0000 https://www.landwise.org.nz/?p=1950 Mātauranga-led, science-informed research Revitalise Te Taiao is one of the Our Land and Water projects, involving place-based research to develop evidence-based examples of how agribusinesses and communities can make enduring changes in land use, management, value chains, and market focus to revitalise our natural world, te Taiao. Containing the land, water, climate and living beings,...

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Mātauranga-led, science-informed research

Revitalise Te Taiao is one of the Our Land and Water projects, involving place-based research to develop evidence-based examples of how agribusinesses and communities can make enduring changes in land use, management, value chains, and market focus to revitalise our natural world, te Taiao. Containing the land, water, climate and living beings, te Taiao refers to the interconnection of people and nature.

If you would like to understand more, come to the LandWISE Conference in Havelock North on 15-16 May 2024 where Clare Bradley will outline the process and lessons from the project. The research involved pilots in three locations, working alongside agribusinesses and communities as they progressed land-use change, worked with value chains and connected with markets to revitalise te Taiao.

The project involved AgResearch | AgriSea NZ Seaweed | Heather Collins Consulting | Kia Ora Media Marketing & PR | Mārama | Ngāti Tāwhirikura Hapū Trust | Paemi Ltd | Pahemata Ltd | Rautāpatu Ltd | Simon Stokes Consulting | WAI Wānaka

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Alternatives for Crop Protection https://www.landwise.org.nz/2024/04/26/alternatives-for-crop-protection/ Thu, 25 Apr 2024 23:21:09 +0000 https://www.landwise.org.nz/?p=1956 Presentations at the LandWISE Conference “Rebuilding Our Soils” In the summer of 2023-2024, the LandWISE MicroFarm grew process tomatoes for Heinz-Wattie’s using three alternative management systems: conventional, regenerative, and a hybrid taking from each. One of the principles for a regenerative system is to build natural resilience rather than rely only on a chemical-based crop...

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Presentations at the LandWISE Conference “Rebuilding Our Soils”

In the summer of 2023-2024, the LandWISE MicroFarm grew process tomatoes for Heinz-Wattie’s using three alternative management systems: conventional, regenerative, and a hybrid taking from each. One of the principles for a regenerative system is to build natural resilience rather than rely only on a chemical-based crop protection regime. Nothing new, of course, we’ve had IPM programmes for decades.

How can we apply these concepts in an intensive process vegetable crop production system? What are the elements we need to consider, and how do we bring them together? There are tried and proven approaches, there are ongoing developments, and there are new ways that are being explored. Come to the LandWISE Conference “Rebuilding Our Soils” and hear what experts have to say!

Photo credit Baybuzz, Florence Charvin

Bruce Mackay, Heinz Wattie’s agricultural manager, has been an agronomist for a long time and has seen and tried different growing philosophies in a commercial context. As a key partner in Carbon Positive, Wattie’s has been deeply involved since Day Zero, and doubly so through the 2023-24 cropping season as we’ve worked to integrate regenerative agriculture principles into an intensive crop programme. Why is Kraft-Heinz interested at a global level? Why is Heinz-Wattie’s investing in local research?

Tika Schellevis started working on assessment of regen ag practices in Canada as part of her master’s degree in climate studies at Wageningen University. Over the last two years, Tika has been part of McCain Foods’ Regen Ag journey. Since October 2023, Tika has been working with the McCain Foods agronomy team in Timaru. Tike will outline how the Environmental Impact Quotient, EIQ, can help understand the relative impacts of different agrichemical options, and help select an optimal programme.

Jessica Vereijssen will discuss integrated pest management, using our crops as examples, but presenting transferable principles. She leads the Insect Dynamics, Ecology, and Sustainability team at Plant & Food Research in Lincoln. Jessica specialises in Integrated Pest Management and sustainable management programmes, considering the biology, behaviour, and ecology of pests. Her current research delves into (invasive) insect vectors such as psyllids and aphids, as well as the potential transmission of plant pathogenic organisms, leveraging her dual background in entomology and plant pathology. 

Chris Thompson will describe the use of predatory insects. He is a seasoned professional in the biotechnology industry, and Managing Director of Bioforce, where he leads the development of sustainable agricultural products and environmentally friendly solutions for various industries. When we received a “bag of bugs” to help control Tomato Potato Psyllid, he’s who we rang with twenty questions. Where do we put them? What agrichemicals might be OK? Which ones should we avoid at all costs? etc.

Since we began the Carbon positive project, we’ve been introduced to a huge range of products described variously as crop elicitors, bioactives, biostimulants, natural protectors and more. Tony Reglinski is a Senior Research Scientist at Plant and Food Research where he investigates the use of plant defence inducers to enhance natural resistance against pathogen attack. His research has covered a broad range of crops including, cereal, radiata pine, wine grapes and kiwifruit. His aim is to is to improve our understanding of the benefits and potential limitations of inducers in order to facilitate their practical implementation as crop protectants.

Come along and hear these experts as they lay out options to increase our resilience and reduce reliance on single approaches to crop protection. The principles and concepts apply broadly, so there wil be gold nuggets regardless of your crop interests!

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Focus on Agritech https://www.landwise.org.nz/2024/04/26/focus-on-agritech/ Thu, 25 Apr 2024 22:32:45 +0000 https://www.landwise.org.nz/?p=1964 Examples and discussions for horticulture and cropping Sustainable production through technology has been one of the key themes through the history of LandWISE Inc. We started with minimum tillage and strip tillage equipment, then rapidly adopted RTK GPS and autosteer, which we saw unlocked many opportunities for financial and environmental gains. We’ve looked a precision...

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Examples and discussions for horticulture and cropping

Sustainable production through technology has been one of the key themes through the history of LandWISE Inc. We started with minimum tillage and strip tillage equipment, then rapidly adopted RTK GPS and autosteer, which we saw unlocked many opportunities for financial and environmental gains. We’ve looked a precision viticulture, canopy monitoring, crop mapping, soil sensing and more. We investigated agricultural robotics and options for management software. So much stuff to keep up with!

The 2024 LandWISE Conference has three components dedicated to agritech: an innovation panel discussing the experience of taking an idea to commercial reality, a group presenting technologies that automate data collection and help make sense of it all to support management decision making, and a practical in-paddock session where equipment will be demonstrated.

In the session, “Commercialising New Technology”, Andrew Cameron will chair a discussion between Tim Neale from Data Farming, Matt Flowerday from Landkind, Clare Bradley from Agrisea NZ, Hamish Penny from Croptide, and Richard Beaumont from AGOVOR. Different people, different technologies, different growth paths and different insights.

“Data Capture and Understanding” builds on the agritech theme, presenting technologies to capture data remotely and turn it into information to assist management. Tim Neale’s DataFarming platform presents satellite data and interpretations, Matt Flowerday capture aerial imagery and has a platform to plan farm management spatially, Hamish Penny and Croptide have a “smartwatch” for plants, collecting internal water status information and sending it straight to your phone, and Lia Willis helps clients pull different layers of data together.

The Horizons Regional Council Practical Session at the MicroFarm will display technologies and give opportunity to discuss details with the people with answers. Look for drones and robots from Airborne Solutions, AGOVOR and Robomate, cover crops and roller crimpers, pest predators with Bioforce and new irrigation technology from WaterForce!

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