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Description: Chemical conditioning of hay consists of spraying an aqueous solu tion of potassium and sodium carbonates on the crop at the time of mowing. It is known to increase the drying rate of legumes, especially alfalfa, but it has very little effect on grasses. Chemical conditioning was applied on a relatively pure alfalfa stand, on mixed alfalfa-grass and on pure grass (predominantly timothy). Under good weather con ditions during the first cutting, the first-day drying rate of pure and mixed alfalfa increased by 13 and 9%, respectively. Timothy did not benefit from chemical conditioning. Over a 2-d period, the difference between pure and mixed alfalfa vanished, overall increase in the drying rate was 10%. During the second cutting and under humid weather, chemical conditioning had no positive effect on alfalfa. The treatment is very sensitive to weather and to management regarding the rate and efficiency of application.

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Citation: S. Beauregard, P. Savoie, and D. Desilets 1990. CHEMICAL CONDITIONING OF MIXED LEGUME-GRASS HAY. Canadian Agricultural Engineering 32(1):81-84.
Volume: 32
Issue: 1
Pages -
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Date: 1990
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Type: Text.Article
Format: PDF
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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