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Herbicide Movement in Soil with Various Amounts of Water

Published online by Cambridge University Press:  12 June 2017

A. F. Wiese  and
R. G. Davis
A. F. Wiese
Affiliation:
Texas Agricultural Experiment Station and Southwestern Great Plains Field Station Bushland, Texas. Approved as TAES T.A. 4460
R. G. Davis
Affiliation:
Texas Agricultural Experiment Station and Southwestern Great Plains Field Station Bushland, Texas. Approved as TAES T.A. 4460
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Abstract

When applied in enough water to wet tubes of dry Pullman silty clay loam top soil to a depth of 22 inches, dimethylamine salts of 2,3,6-trichlorobenzoic acid (2,3,6-TBA) and polychlorobenzoic acid (PBA) were leached to about 20 inches; an amine salt of 2,4-dichlorophenoxyacetic acid (2,4-D) and the sodium salt of 2,3,6-trichlorophenylacetic acid (fenac) leached to 15 inches; esters of fenac, 3-phenyl-1,1-dimethylurea (fenuron), 3-(p-chlorophenyl)-1,1-dimethylurea (monuron) and amine salts of 2-(2,4,5-trichlorophenoxyl)propionic acid (silvex) and 2,4,5-trichlorophenoxy-acetic acid (2,4,5-T) leached to approximately 9 inches. Esters of silvex, 2,4,5-T, and 2,4-D remained in the top 3 inches of soil. The leaching with additional water was in the same general order as just given.

Type
Research Article
Information
Weeds , Volume 12 , Issue 2 , April 1964 , pp. 101 - 103
Copyright
Copyright © 1964 Weed Science Society of America 

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References

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