The 1949 Iowa Corn Yield Test PDF Download
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Author: Joseph Lee Robinson
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 80
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Book Description
"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." -- p. [493]
Author: Joseph Lee Robinson
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 80
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Book Description
"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." -- p. [493]
Author: Anna Margrethe Olsen
Publisher:
ISBN:
Category : Alfalfa
Languages : en
Pages : 16
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Book Description
"Successful pork production depends first upon selection of good breeding stock. The breeding stock selected should have the inherent ability to produce and nurse large litter that will use feed efficiently. Equally important are proper feeding and management of the brood sow and her litter." p. [415]
Author: Charles D. Hutchcroft
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 56
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Book Description
"This bulletin reports the results of the 1950 Iowa Corn Yield test to compare the performance of many hybrid corn varieties. The state was divided into four sections, each of which was subdivided into three districts. A test field was located in each district. Each of the 307 entries tested in 1950 was planted in all three districts of a section. Fields in districts 2 and 3 were not harvested because of poor stands. You will find a map in the bulletin showing the division of the state into sections and districts and approximate location of the farms where the hybrids were compared. Any producer of hybrid corn seed was eligible to make entry in the test. Ten widely grown hybrids in each section also were entered by the Iowa Corn and Small Grain Growers Association. In the back of the bulletin you will find an index listing the hybrids tested in 1950. The index also lists the table numbers where the performance record f each entry is shown and indicates whether the hybrid is a single, three-way, double or multiple cross." -- foreword, p. [690]
Author: Joseph Lee Robinson
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 64
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Book Description
This bulletin reports the results of the 1951 Iowa Corn Yield Test in which the performance of 261 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 except district 10, where the prolonged wet spring forced us to abandon our planting plans. With the exception of district 10 in the southern section, 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 farms where the hybrids were compared. Any producer of hybrid corn seed was eligible to enter his corn in the test. Ten widely grown hybrids in each section also were entered by the Iowa Corn and Small Grain Growers Association. In the back of the bulletin you will find an index listing the hybrids tested in 1951. The index also lists the table numbers where the performance record of each entry is shown and indicates whether the hybrid is a single, three-way, double or multiple cross." -- foreword, p. [758]
Author:
Publisher:
ISBN:
Category : Agricultural extension work
Languages : en
Pages : 366
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Book Description
Author: Elisa Ramírez Castañeda
Publisher: IICA Biblioteca Venezuela
ISBN:
Category :
Languages : en
Pages : 854
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Book Description
Author: Iowa Agriculture and Home Economics Experiment Station
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 926
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Book Description
Author: Joseph Lee Robinson
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 40
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Book Description
"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]
Author: Charles D. Hutchcroft
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 620
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Book Description
"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
Author: Iowa Agriculture and Home Economics Experiment Station
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 24
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Book Description
