Bill Cox, Section of Crop and Soil Sciences, Cornell University Most agronomists agree that a ~2.0 inch planting depth is usually optimum for corn establishment in northern latitudes that receive ample rainfall during the spring. A shallower planting depth, especially less than 1.5 inches, may lead to early-season root lodging associated with shallow nodal root … Continue reading How Does Corn Planting Depth Affect Stand Establishment?