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Soil Persistence of Repeated Annual Applications of Atrazine

Published online by Cambridge University Press:  12 June 2017

O. C. Burnside ,
C. R. Fenster  and
G. A. Wicks
O. C. Burnside
Affiliation:
Department of Agronomy at Lincoln
C. R. Fenster
Affiliation:
Scotts Bluff Station at Mitchell
G. A. Wicks
Affiliation:
North Platte Station at North Platte, University of Nebraska
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Abstract

Dissipation of 2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine (atrazine) in sprinkler-irrigated fields was faster in a silty clay loam soil of eastern Nebraska than in loam soils of central or western Nebraska. Atrazine dissipated faster under fallow than under corn (Zea mays L.) culture in western Nebraska, but there was no difference in atrazine loss whether in corn or fallow in central or eastern Nebraska. In central and western Nebraska, atrazine persisted in the soil for longer than 1 year. In eastern Nebraska under sprinkler irrigation, most of the atrazine had dissipated before the following growing season. Sprinkler irrigation markedly reduced atrazine longevity in soils studied.

Type
Research Article
Information
Weed Science , Volume 19 , Issue 3 , May 1971 , pp. 290 - 293
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

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