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Bulletin P

Abstract

This bulletin is the report of the fortieth annual Iowa Corn Yield Test. Similar tests have been conducted each year since 1920.

The purpose of the Iowa Corn Yield Test is to compare the performances of corn hybrids being grown in Iowa and to make this information available to Iowa farm operators. The presentation of this report does not imply approval or endorsement of the hybrids tested by any of the cooperating agencies.

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