Download Free The 1957 Iowa Corn Yield Test Book in PDF and EPUB Free Download. You can read online The 1957 Iowa Corn Yield Test and write the review.

"The Iowa Corn Yield test has been conducted annually since 1920. The main purpose of this test is to provide information that will help Iowa farmers select seed of hybrids best adapted for the area in which they live. This bulletin reports the performance of hybrids tested in 1957. Also shown are comparisons of hybrids tested for 2-year, 3-year and 4-year periods."--Page 3
"The Iowa Corn Yield test has been conducted annually since 1920. The main purpose of this test is to provide information that will help Iowa farmers select seed of hybrids best adapted for the area in which they live. This bulletin reports the performance of hybrids tested in 1957. Also shown are comparisons of hybrids tested for 2-year, 3-year and 4-year periods." -- p. 3
"This bulletin is the report of the performance of corn hybrids tested at 24 locations in Iowa during the years 1955, 1956, 1957 and 1958. Summaries of 1-year, 3 year and four year periods are shown."--Page 3.
"This bulletin reports the results of the 1956 Iowa Corn Yield Test. The purpose of the report is to provide information to help Iowa farmers select hybrids best adapted for the area in which they live. The presentation of these results does not imply approval or endorsement of these hybrids by any of the cooperating agencies conducting this test." -- p. 3
"This bulletin is the report of the fortieth annual Iowa Corn Yield Test. Similar tests have been conducted every year since 1920"--Page 3.
"This bulletin is the annual report of the Iowa Corn Yield Test. This 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 many hybrids being offered for sale to farmers. We hope that information in this bulletin will help you to choose the best hybrids for planting in 1949." -- p. [233]