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Optimising Nutrition: From Soil Test to Application (webinar)

Date: Thursday, 21 August

Time: 12:30 pm - 1:30 pm AEST

Location: Online via. Zoom

Registration: Click here to register. Registrations are essential for Zoom details.


About the Session

Get the fundamentals right and drive better potato yields, quality and profitability.

Join us for a practical and informative webinar designed for potato growers and agronomists wanting to sharpen their understanding of crop nutrition. This session will walk through the fundamentals of nutrient management in potatoes — from interpreting soil tests to understanding crop uptake curves — helping you make better-informed decisions that optimise crop performance and reduce input waste.

Session Details

  1. ·Why nutrition matters

    Discover how getting the right nutrients, in the right place, at the right rate and time can significantly improve yield, quality, crop health and input efficiency.

  2. Start with the soil

    Understand the value of soil testing — especially pH — as the foundation for any good nutrition program. Learn how to interpret soil test results and what it means for your paddock.

  3. Nutrient essentials for potatoes

    Get a clear, crop-specific overview of the key macro and micronutrients. We’ll cover how they function, interact, and impact growth.

  4. Timing is everything

    Learn how nutrient uptake varies through the growing season and how to align your program with variety needs, yield potential, and local conditions. Explore how to use in-season testing to fine-tune decisions.

  5. Application strategies

    Explore the best ways to apply nutrients, including fertigation, foliar and banding options. We'll discuss the importance of method, rate, soil type, and environment — plus introduce concepts like nutrient removal and budgeting.

This webinar is tailored for potato growers, agronomists, and farm advisors looking to strengthen their nutrition programs with practical insights and crop-specific strategies.


Meet the Presenter

Roger Blyth, Agronomist, Seed & Field NZ

Image source: https://www.syngenta.co.nz/growth-awards-2020/roger-blyth

Roger Blyth, originally from the UK and awarded UK Potato Grower of the Year in 2000, is an experienced agronomist with Seed and Field, based in Canterbury — New Zealand’s largest potato-growing region. He plays a pivotal role in supporting high-quality potato production through tailored agronomy advice, nutrition planning, and crop protection strategies for a wide network of growers. Roger also contributes to the broader industry as a member of the Potatoes NZ Technical R&D Panel, helping to guide national research priorities that support innovation and sustainability in the sector. In 2020, he was recognised as a Syngenta Growth Awards winner for his contributions to agricultural productivity and leadership.


More Information

Please contact Sophia Thach, Applied Horticultural Research, 0413 937 313 or Sophia.thach@ahr.com.au

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