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The Comparative Toxicities of Four Phenylurea Herbicides in Several Soil Types

Published online by Cambridge University Press:  12 June 2017

T. J. Sheets
T. J. Sheets*
Affiliation:
Crops Research Division, ARS, USDA, Botany Dept., University of Calif., Davis
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Extract

The herbicides, 3–(p–chlorophenyl)–1,1–dimethylurea (monuron) and 3–(3,4–dichlorophenyl)–1,1–dimethylurea (diuron), have been widely accepted as selective soil applied herbicides; they are now used in a number of crops and under a wide range of soils and climatic conditions. Their extreme residual herbicidal activity contributes to their success as residual pre-emergence herbicides and as semipermanent soil sterilants.

Type
Research Article
Information
Weeds , Volume 6 , Issue 4 , October 1958 , pp. 413 - 424
Copyright
Copyright © 1958 Weed Science Society of America 

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References

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