In most soils at most locations, corn following corn will yield less than corn following soybeans. Typically, this yield loss cannot be overcome as fields remain in continuous corn. Exceptions do occur, but they are rarely consistent. Reports in parts of Illinois suggest higher yields for corn following corn, but this may be due to a variant of corn rootworm in the fields following soybeans.
FAQ #25969
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Does corn after corn always yield less than rotated corn?
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