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Varying Planting Depth

When it comes to planting corn, how deep is deep enough and how shallow is too shallow? In this goof demonstration, Pioneer evaluated how corn development is affected when planted at different depths.

First, there are a number of reasons why growers may find varying planting depths within a single cornfield. These include planting at too high of speed, planting into a high level of residues and planting in less than optimum soil conditions.