Iowa Corn Yield Test
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The 1948 Iowa Corn Yield Test
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Author : Charles D. Hutchcroft
language : en
Publisher:
Release Date : 1949
The 1948 Iowa Corn Yield Test written by Charles D. Hutchcroft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Agriculture categories.
"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]
The 1954 Iowa Corn Yield Test
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Author : Charles D. Hutchcroft
language : en
Publisher:
Release Date : 1955
The 1954 Iowa Corn Yield Test written by Charles D. Hutchcroft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1955 with Agriculture categories.
"The main purpose of the Iowa Corn Yield Test is to compare the performance of corn hybrids and to make the information available to Iowa farmers. In 1954 we tested 90 corn hybrids at each of three locations in the northern section of Iowa. ... One-hundred corn hybrids were compared in each of the other three sections of the state. The hybrids were planted at three locations in each section, but the district 10 field was not harvested because of drouth conditions and a poor stand. They hybrids entered in the 1954 test were planted on about 72 percent of the total Iowa corn acreage, according to results from a survey of farmers. Six characteristics of each hybrid were recorded and summarized. These were yield, stand, moisture content at harvest, root and stalk lodging, and dropped ears. You will find a performance record for each hybrid for these characteristics in the tables of data. An index listing the hybrids tested in 1954 and the name and address of each entrant is given in the back of the bulletin. When the seed was packeted for planted, each entry was given a number. The entries were known only by this number until after the plots were harvested and the calculations completed. Therefore, no person concerned with the test know the identity of any entry. The presentation of these results does not imply approval of these hybrids by the Iowa Crop Improvement Association or the Iowa Agricultural Experiment Station." -- p. [2]
1937 Iowa Corn Yield Test
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Author : Iowa Agricultural Experiment Station
language : en
Publisher:
Release Date : 1938
1937 Iowa Corn Yield Test written by Iowa Agricultural Experiment Station and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1938 with Corn categories.
The 1952 Iowa Corn Yield Test
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Author : Charles D. Hutchcroft
language : en
Publisher:
Release Date : 1953
The 1952 Iowa Corn Yield Test written by Charles D. Hutchcroft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Agriculture categories.
"This bulletin reports the results of the 1952 Iowa Corn Yield Test in which the performance of 219 different corn hybrids was compared. The state was divided into four sections, each of which was subdivided into three districts. A test field was planted in each district. Each hybrid entry was tested in all three districts of a section. The map shows how we divided the state into sections and districts and the approximate location of the farm where the hybrids were compared. Any producer of hybrid corn seed was eligible to enter his corn in the test. The widely grown hybrids in each section also were entered by the Iowa Crop Improvement Association. In the back of the bulletin you will find an index listing hybrids tested in 1952. The index also indicates whether the hybrid is a single, three-way, double or multiple cross." -- p. [858]
The 1956 Iowa Corn Yield Test
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Author : Charles D. Hutchcroft
language : en
Publisher:
Release Date : 1957
The 1956 Iowa Corn Yield Test written by Charles D. Hutchcroft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Agriculture categories.
"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
The 1953 Iowa Corn Yield Test
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Author : Joseph Lee Robinson
language : en
Publisher:
Release Date : 1954
The 1953 Iowa Corn Yield Test written by Joseph Lee Robinson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Agriculture categories.
"In 1953 we tested 229 corn hybrids in the Iowa Corn Yield test. Each hybrid was tested at a minimum of three locations. The division of the state into districts and sections is shown on the map. Seven characteristics of each hybrid were recorded and summarized. These included yield, stand, moisture, root and stalk lodging, ear height and dropped ears. Each hybrid was ranked by a performance score based on yield, moisture and resistance to lodging and dropped ears. You will find records in the tables showing how each hybrid performed for the above characteristics. An index listing the hybrids tested in 1953 is given in the back of this bulletin. A majority of the entries in the test were made by commercial hybrid corn companies. The Iowa Crop Improvement Association also entered 10 widely grown hybrids in each section as determined by a survey of farmers. The purpose of the Iowa Corn Yield Test is to determine the performance of hybrids. It is not a contest and should not be confused with the 5-acre Iowa Master Corn Growers Contest." -- Foreword, p. [2]
The 1959 Iowa Corn Yield Test
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Author : Charles D. Hutchcroft
language : en
Publisher:
Release Date : 1960
The 1959 Iowa Corn Yield Test written by Charles D. Hutchcroft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Agriculture categories.
"This bulletin is the report of the fortieth annual Iowa Corn Yield Test. Similar tests have been conducted every year since 1920." -- p. 3
1966 Iowa Corn Yield Test
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Author : M. T. Hillson
language : en
Publisher:
Release Date : 1967
1966 Iowa Corn Yield Test written by M. T. Hillson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Agriculture categories.
The 1961 Iowa Corn Yield Test
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Author : Charles D. Hutchcroft
language : en
Publisher:
Release Date : 1962
The 1961 Iowa Corn Yield Test written by Charles D. Hutchcroft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Agriculture categories.
"This publication reports the results of the forty-second annual Iowa Corn Yield Test and lists comparative data for many of the corn hybrids being sold in Iowa." -- p.3
The 1958 Iowa Corn Yield Test
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Author : Charles D. Hutchcroft
language : en
Publisher:
Release Date : 1959
The 1958 Iowa Corn Yield Test written by Charles D. Hutchcroft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Agriculture categories.
"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." -- p. 3