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Combining loss in the field when harvesting two varietiesof spring wheat
Authors: Dodds, M.E.
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Download file: https://library.csbe-scgab.ca/docs/journal/14/14_1_20_ocr.pdf
Published in: CBE Journal » CBE Journal Volume 14 (1972)
Download RAW file: https://library.csbe-scgab.ca/docs/journal/14/14_1_20_raw.pdf
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Description: The loss of grain in the field when harvesting spring wheat has been reported (3), and two classifications, natural and mechanical, have been made. The report considered threshing and separating loss to be negligible, in comparison to the natural loss, which occurs prior to the harvesting operation, and to the reel and cutter bar and gathering losses when the combine was operated at a moderate feed rate. The effect of early windrowing on some quality factors of spring wheat has been discussed (2), and die added benefits of this operation to minimize the natural and reel and cutter bar losses has been emphasized (3). Horsepower requirements, when combining at different feed rates, have been recorded, and limitations as to the amount of grain and straw per minute that should be fed into the combine were suggested (4). That report did not give consideration to the threshing and separating losses. It was first concluded that a large harvesting loss was caused by the limited ability of the combine cylinder to process grain and straw (6). However, more recent work (7) indicated that the separating ability of the straw walkers was the important factor contributing to combine capacity, and that operating at extreme feed rates could cause a large grain loss at the rear of the combine. The purpose of this research report is to discuss the relationship between feed rate and processing loss when harvesting two varieties of hard red spring wheat.
Keywords: combining loss in the field when harvesting two varietiesof spring wheat
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Citation: Dodds, M.E. 1972. COMBINING LOSS IN THE FIELD WHEN HARVESTING TWO VARIETIESOF SPRING WHEAT. Canadian Agricultural Engineering 14(1):20-22.
Volume: 14
Issue: 1
Pages 20 - 22
Contributor:
Date: 1972
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Coverage: Canada
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DOI:
Description: The loss of grain in the field when harvesting spring wheat has been reported (3), and two classifications, natural and mechanical, have been made. The report considered threshing and separating loss to be negligible, in comparison to the natural loss, which occurs prior to the harvesting operation, and to the reel and cutter bar and gathering losses when the combine was operated at a moderate feed rate. The effect of early windrowing on some quality factors of spring wheat has been discussed (2), and die added benefits of this operation to minimize the natural and reel and cutter bar losses has been emphasized (3). Horsepower requirements, when combining at different feed rates, have been recorded, and limitations as to the amount of grain and straw per minute that should be fed into the combine were suggested (4). That report did not give consideration to the threshing and separating losses. It was first concluded that a large harvesting loss was caused by the limited ability of the combine cylinder to process grain and straw (6). However, more recent work (7) indicated that the separating ability of the straw walkers was the important factor contributing to combine capacity, and that operating at extreme feed rates could cause a large grain loss at the rear of the combine. The purpose of this research report is to discuss the relationship between feed rate and processing loss when harvesting two varieties of hard red spring wheat.
Keywords: combining loss in the field when harvesting two varietiesof spring wheat
Résumé:
Mots-clés:
Citation: Dodds, M.E. 1972. COMBINING LOSS IN THE FIELD WHEN HARVESTING TWO VARIETIESOF SPRING WHEAT. Canadian Agricultural Engineering 14(1):20-22.
Volume: 14
Issue: 1
Pages 20 - 22
Contributor:
Date: 1972
Technical field:
Conference name:
Session name:
Other information:
Type:
Format:
Publication type:
Source:
Relation:
Coverage: Canada
Language 1:
Language 2:
Rights:
Notes:
Other files:
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