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Unlocking the secrets of phosphorus in soil management

 Just like humans, plants need nutrients to survive and grow, and many of these nutrients are important compounds found in soil. A University of Saskatchewan (USask) researcher is exploring how phosphorus, an important nutrient for humans and plants, reacts with mineral compounds and how these reactions can impact how well phosphorus is used in soil.

Although phosphorus is required for the growth of plants, USask master’s student Catherine Chavez said it is important to use it efficiently in soil because there is only a finite amount to go around.

“Phosphorus is a required nutrient for all living organisms, and its availability is controlled by adsorption processes,” said Chavez.

Adsorption describes a process where particles of one substance adhere to the surface of another. Her research project is exploring how a wide range of phosphorus compounds react with iron oxide minerals.

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Do Cold Temps Impact Emerging Corn & Soybeans? | Pioneer Agronomy

Video: Do Cold Temps Impact Emerging Corn & Soybeans? | Pioneer Agronomy

A cold snap swept across west central Minnesota and eastern South Dakota, bringing frost, fog, and temperatures dipping into the 20s—raising urgent questions about early crop damage.

Pioneer Agronomist Eric Rice breaks down what those overnight temperatures could mean for emerged corn and soybeans, how to assess frost injury, and why patience is key before making any replant decisions. Learn the critical differences between corn and soybean growing points, what cosmetic vs. serious damage looks like, and how last week’s high winds may also be influencing what you’re seeing in the field.

Watch for:

• Frost thresholds for early-season crop damage

• Why corn may be more resilient than it looks

• Soybean growth stages and frost susceptibility

• How to evaluate brittle stems and discolored tissue

• Why waiting 4–5 days before assessing stand loss matters

• When to contact your local Pioneer agronomist or sales representative