Leaving corn in the field during harvest always results in a yield penalty. A recent soybean Sudden Death Syndrome article shows data that suggest corn kernels may be one of the most likely sites for survival of SDS pathogens with potential to harm subsequent soybean crop.
Iowa State University
Hanna, H. Mark, "Minimize Amount of Corn Left on the Ground Behind Combine" (2010). Integrated Crop Management News. 378.
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