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Description: The rate at which a grass silage crop is harvested is likely to have significant effects on crop yield and quality, machinery in vestment and labor requirements, and ultimately farm income. Crop yield and quality are likely to be affected because these factors change with the passage of time. Given a harvesting start date sometime prior to the crop being mature, the silage obtained with a high harvesting rate (completing harvest in a few days) will be smaller in amount but higher in quality than that which would be obtained with a lower harvesting rate (extending the harvest over several weeks). The high rate of harvest, however, requires a higher level of investment in machinery and lower labor input than does the lower rate. The purpose of this study was to examine the effects on these factors of a number of alternative management decisions involving rate of harvest, crop cutting management, number of crop acres, and number of differentially maturing timothy cultivars. Since crop yield and quality are changing from day to day and the harvest operation is weather-dependent, a computer simulation model was developed to aid in the analysis by simulating harvest on a daily basis.

Keywords: effects of changes in rate of harvest and selected management variables on timothy silage yield, quality and net return at charlottetown. i. direct-cut silage
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Citation: Russell, D.G., Lievers, K.W. and J. Lovering 1977. EFFECTS OF CHANGES IN RATE OF HARVEST AND SELECTED MANAGEMENT VARIABLES ON TIMOTHY SILAGE YIELD, QUALITY AND NET RETURN AT CHARLOTTETOWN. I. DIRECT-CUT SILAGE. Canadian Agricultural Engineering 19(1):29-36.
Volume: 19
Issue: 1
Pages 29 - 36
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Date: 1977
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Coverage: Canada
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