In this episode of The Crop Science Podcast Show, Dr. Steve Phillips from Oklahoma State University explores soil fertility strategies that drive better nutrient management in diverse cropping systems. He shares insights from field trials evaluating restrictive layers, yield-limiting factors, and fertility practices in integrated crop-livestock systems. Listen now on all major platforms!

"There is a limiting layer in soil... and a good correlation between the depth to these limiting layers and crop yield."

Meet the guest: Dr. Steve Phillips is Associate Professor of Soil Fertility at Oklahoma State University and Senior Consulting Scientist at the African Plant Nutrition Institute. With past roles at Virginia Tech and the International Plant Nutrition Institute, his work focuses on fertility management, precision ag, and integrated crop-livestock systems.

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What you will learn:

• (00:00) Highlight
• (01:13) Introduction
• (08:48) Restrictive layer impact
• (13:15) Precision ag applications
• (14:53) Grazing fertility strategies
• (19:53) On-farm experimentation benefits
• (23:43) Research program reflections
• (25:38) Final three questions

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- KWS

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