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Tag: Bill Johnson

Iowa Learning Farms Webinar: Understanding Residual Herbicide and Cover Crop Connections

The August 9 presentation by Purdue University’s Bill Johnson will address the impact of cover crop use on residual herbicide persistence in the soil.

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Bill Johnson Corn cover crops crop protection herbicides Iowa Learning Farms Purdue University soybean Webinar weed science

2218 Agronomy Hall
Iowa State University
Ames, Iowa 50011
515-294-5650

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