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Herbicide Longevity in Nebraska Soils

Published online by Cambridge University Press:  12 June 2017

O. C. Burnside ,
G. A. Wicks  and
C. R. Fenster
O. C. Burnside
Affiliation:
Dept. of Agronomy at Lincoln, University of Nebraska
G. A. Wicks
Affiliation:
North Platte Expt. Sta. at North Platte, University of Nebraska
C. R. Fenster
Affiliation:
Box Butte Expt. Sta. at Alliance, University of Nebraska
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Abstract

At Lincoln 20 lb/A of 2,3,6-trichlorobenzoic acid (2,3,6-TBA) destroyed Clark soybeans five seasons after application. Soil persistence of 2,3,6-TBA in the light textured soils and low rainfall of western Nebraska was less than at Lincoln. A 10 lb/A rate of 3-(p-chlorophenyl)-1,1-dimethylurea (monuron) reduced weed and oat yields at Lincoln the third growing season after its application. Applications of 2-chloro-4-ethylamino-6-isopropylamino-s-triazine (atrazine), 2-chloro-4,6-bis-(ethylamino)-s-triazine (simazine), or monuron at 10 lb/A reduced oat yields at North Platte the third growing season after their application. Herbicide carryover is a greater problem in arid than in humid regions of the United States.

Type
Brief Papers
Information
Weeds , Volume 13 , Issue 3 , July 1965 , pp. 277 - 278
Copyright
Copyright © 1965 Weed Science Society of America 

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References

Literature Cited

1. Burnside, O. C., Fenster, C. R., and Wicks, G. A. 1963. Dissipation and leaching of monuron, simazine, and atrazine in Nebraska soils. Weeds 11:209–213.Google Scholar
2. Burnside, O. C., Wicks, G. A., and Fenster, C. R. 1963. The effect of rainfall and soil type on the disappearance of 2,3,6-TBA. Weeds 11:45–47.Google Scholar