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World Potato Congress announces board changes

The World Potato Congress has announced that a Canadian potato grower and international researcher, Dr. Peter VanderZaag, becomes the new president and CEO. Since 2013, he has served as an international advisor then as a director. He’s played a supportive role in developing the programs for the past three congresses in China, Peru and Ireland.

Dr. VanderZaag along with his daughter Ruth and son-in-law Nick, own and operate Sunrise Potato, a large potato farming operation near Alliston, Ontario.

He has served in numerous roles in international potato research and development with the International Potato Center and as a visiting professor at Yunnan Normal University in Kunming, China.

John Griffin is stepping down from his role as president to spend more time with his potato operations in Elmsdale, Prince Edward Island.

Dr. Nora Olsen, professor and potato specialist with the Department of Plant Sciences at the University of Idaho, will be the new vice-chair. She has co-authored and presented hundreds of extension and scientific papers. She’s been a WPC director since 2014, launching a popular webinar series.

The World Potato Congress also welcomes Brian Douglas as a director. He brings previous experience as general manager of the organization.

The 12th World Potato Congress will be held from June 23-26, 2024 in Adelaide, Australia.

Source : The Grower

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Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

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Can supplemental nitrogen help soybeans reach higher yield potential? Technical Agronomist Tim Sickman walks through an ongoing trial at the Nutrien Innovation Farm in Owensboro, Kentucky, exploring whether a modest amount of nitrogen applied at planting can support higher-yielding soybean environments.

The trial compares 30 pounds of supplemental nitrogen across both 15- and 30-inch rows, along with treatments that include sulfur and micronutrients. Similar trials conducted in 2024 and 2025 delivered a six- to seven-bushel yield response, prompting the team to expand the research this season.

Early observations show that treated soybeans are slightly taller and averaging about two additional nodes on the main stem. These added nodes could create more opportunities for blooms and pods, but the true results will come at harvest when the team evaluates pod development, seed fill and final yield.

In This Video:

Why high-yield soybeans may need supplemental nitrogen

Results from the 2024 and 2025 trials

Nitrogen treatments in 15- and 30-inch rows

Fertilizer placement and application methods

Differences in plant height and node counts

Potential effects on pod development and yield