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"The purpose of the Iowa Corn Yield Test is to provide impartial comparable performance records on a relatively large number of hybrid combinations. This bulletin presents information about each hybrid tested for yield, stand, moisture, root and stalk lodging, ear height, and dropped ears. The relative agronomic value of the yield, dry matter content of grain, lodging resistance and ears on stalk. The information present ed should be of value to both the purchaser and the producer of hybrid corn seed, since it gives a reliable estimate of the relative performance of various hybrids when grown in different areas of Iowa."--Page [753].
Excerpt from Illinois Corn Performance Tests, 1940 At Round Lake the moisture content of the samples ranged from percent to percent (table 4) on October 9. The average for the 5 adapted open-pollinated varieties was percent; and 14 hybrid entries had the same or a lower percentage Of moisture. The average for the entire field on October 9 was percent, and at harvest (november 15) it was percent. The average of the open-pollinated varieties at harvest time was percent; and 42 hybrid entries had the same or a lower percentage. The moisture content of the hybrids at harvest time ranged from percent to percent. The above data from the Round Lake field indicate that after an early killing frost most hybrids dry Out faster than the open-pollinated varieties. In general the hybrids which had the higher percentage Of moisture on October 9 had the higher percentage at harvest, and the hybrids with the lower percentage of moisture on October 9 had the least moisture when harvested. At Kings (table 6) the situation was much the same as at Round Lake. The moisture content of the grain decreased more rapidly in most of the hybrids than in the open-pollinated varieties. On Oc tober 8 the percentage of moisture for all entries on the field ranged from percent to percent, while at harvest time it ranged from percent to percent. Eleven hybrids had the same or a lower moisture content than the average of the open-pollinated varie ties on October 8; at harvest time 31 hybrids had the same or a lower percentage of moisture than the open-pollinated varieties. Dropped ears. A count was made of the dropped ears on all of the 1940 test fields, but there were too few such ears to warrant the drawing Of any conclusions. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.