Corn plants emerging through previous corn residue.
In these fields, growers must manage corn residue properly or risk stand establishment issues. This is especially important in corn following corn, as corn is less tolerant of residue than soybeans. Residue reflects sunlight and insulates the soil, reducing both warming and drying of fields in the spring. This may prevent early planting, or result in reduced or non-uniform emergence. Uniform emergence is critical to optimizing yield potential in corn. Plants that emerge later than their neighbors may be out-competed throughout their development, and yield may be reduced proportionately to their delay.
¹ Pioneer Agronomy Information Manager, Johnston, Iowa.
² Pioneer Area Agronomist, Spicer, Minnesota.
³ Pioneer Area Agronomist, Evansville, Indiana.
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