The 1949 Iowa corn yield test | Iowa corn yield test, 1949
1950
Robinson, Joe L. (Joseph Lee) | Hutchcroft, Charles D.
"The Iowa Corn Yield Test is conducted by the Iowa Corn and Small grain Growers' association in cooperation with the Iowa Agricultural Experiment Station. The purpose is to compare the performance of hybrids that are offered for sale to farmers. We hope the information in this bulletin will help you to choose the best hybrids available for planting in 1950"--Page [493].
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