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LandWISE – Promoting sustainable land management

Category: Weeds

LandWISE Conference 2025

Posted on May 7, 2025

Getting to Carbon Positive Wednesday 21 – Thursday 22 May Havelock North Function Centre In 2025 we’re delighted to bring you a conference with focuses on regenerative crop production, carbon footprinting, and electrification. We’ll have new technologies to think about and see, we have speakers with proven track records, and we’re looking forward to catching…

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Vegetables Big Day Out

Posted on February 13, 2025

Going to the Vegetables Big Day Out in Pukekohe was an amazing opportunity for me to meet people and to learn more about the research and innovation taking place in the vegetable industry. Being able to see the biodiversity strips, native plant pods (insectaries), and cover crops that are a part of “A Lighter Touch”,…

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Biodiversity at the MicroFarm

Posted on November 29, 2024

Earlier this year we learnt of an interesting project focusing on increasing biodiversity on vegetable farms. The aim of this joint project between A Lighter Touch, Vegetables NZ and Onions NZ is to reduce pest insects in crops by increasing the abundance of beneficial insects on vegetable farms, therefore reducing the need for insecticides. Two…

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Lessons from two years of winter cover crops

Posted on October 3, 2024

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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Pots to Plots

Posted on July 1, 2024

Microshock Weed Control Is an Effective and Energy Efficient Option in the Field This is a summary of Dan’s work published under the AgResearch led “Herbicide Resistance Management” project, of which LandWISE was a small co-funder. The full paper was published open access in the Sustainability journal, and is freely available to everybody here> Abstract:…

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Non-Chemical Weed Management Workshop

Posted on July 1, 2024

Presented by Dr Charles ‘Merf’ Merfield. 9:00 am to 5:00 pm, Friday 26 July 2024 PIA Event Centre, Pukekohe, New Zealand. In person only, there is no online version. The purpose of this workshop is to give a complete overview of non-chemical weed management as part of Integrated Weed Management (IWM) and will include addressing…

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January 2024 Tomato Update

Posted on January 26, 2024

The Carbon Positive tomato crop has now been growing for 13 weeks. Our estimated harvest date is the 5th March, so just under six weeks remaining until harvest. All treatments have had a good fruit set and are reasonably disease free (minus a small amount of bacterial speck). We are on track for a good…

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Carbon Positive at the MicroFarm – February 2024 Field Walk

Posted on January 26, 2024

Please register at Eventbrite Once again, we are opening the gates and doors to the public for a Carbon Positive at the MicroFarm field walk to view and discuss the Heinz-Wattie’s process tomato crop. We’ve been making nutrient, irrigation and crop protection decisions – come along and discuss our strategies and apparent effectiveness! Please register…

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December in the MicroFarm Tomatoes

Posted on December 21, 2023

Our tomatoes have now been planted for eight weeks and we have seen a lot of growth since the November newsletter. Since our last update, the Watties operations team have mechanically weeded the interrow and Andy Lysaght has mechanically weeded in between the tomatoes. We have applied several sprays, side dressed, and irrigated. It is…

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November in the MicroFarm Tomatoes

Posted on November 30, 2023

The end of November marks five weeks since the tomato crop was planted at the MicroFarm. Key challenges include rabbits (which chew the top of the plant off) and soil moisture, particularly for the regenerative treatment. At planting, the regenerative treatment soil was much drier than the other two treatments. While both conventional and hybrid…

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