Dosage Distribution upon Hand-Sprayed Cotton

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Date
1959/1960
Authors
Yeo, D.
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Abstract
A description is given of the dosage distributions achieved by hand spraying cotton in four ways. It is shown that under-leaf cover is not achieved if the spray is released above the crop, and that in fully-grown cotton plants there is a considerable degree of attenuation of the spray before it reaches the lower andmiddle portions of the plants. High volume applications, particularly designed to spray all parts of the plant, gave a reasonably uniform cover throughout the plants, and appreciable deposits on the under surfaces A qualitative correlation exists between the dosage distributions and the degree of insect control.
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East African Agricultural And Forestry Journal, 25, pp. 193-198
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