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A Simplified Method for Determining Phytotoxicity, Leaching, and Adsorption of Herbicides in Soils

Published online by Cambridge University Press:  12 June 2017

Y. Eshel  and
G. F. Warren
Y. Eshel
Affiliation:
Department of Horticulture
G. F. Warren
Affiliation:
Department of Horticulture
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Abstract

The toxicity, adsorption, and leaching of four herbicides in different soils were determined by a method based on a sensitive root bio-assay which appeared suitable for herbicides affecting root growth. The rate of leaching of the herbicides was determined by measuring the herbicidal effect of the leachate obtained from three heights of soil columns. The same bio-assay was utilized for testing the extent of inactivation of herbicides due to adsorption by soil. In this case, mixtures of various rates of soil with silica sand were used as cultures for the bio-assay.

Type
Research Article
Information
Weeds , Volume 15 , Issue 2 , April 1967 , pp. 115 - 118
Copyright
Copyright © 1967 Weed Science Society of America 

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References

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