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Influence of Environmental Factors on the Efficacy of Preemergence Diuron Applications
Published online by Cambridge University Press: 12 June 2017
Abstract
Environmental and physical factors influencing the effectiveness of preemergence applications (4 lb/A) of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron) were evaluated under field conditions for 10 Hawaiian sugar cane (Saccharum officinarum L.) plantations. Rainfall, soil pH, organic composition, time lapse between field harvest and herbicide application, and maximum temperature had a significant effect on the resultant period of weed control. The data from 295 field tests conducted over a 10-year period then were subjected to multiple regression analysis. The prediction equation derived via these calculations was sufficiently accurate to justify its application to the Hawaiian sugar cane regions. The single most important factor adversely influencing the preemergence activity of diuron was the lapse of time between harvest and application, a factor within the control of the plantation personnel.
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- Copyright © 1967 Weed Science Society of America
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