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Effect of Soil pH and Tillage on Persistence of Simazine

Published online by Cambridge University Press:  12 June 2017

C. H. Slack
Affiliation:
Dep. of Agron., Univ. of Kentucky, Lexington, KY 40506
R. L. Blevins
Affiliation:
Dep. of Agron., Univ. of Kentucky, Lexington, KY 40506
C. E. Rieck
Affiliation:
Dep. of Agron., Univ. of Kentucky, Lexington, KY 40506

Abstract

Field studies on the persistence of simazine [2-chloro-4,6-bis(ethylamino)-s-triazine] showed less persistence under no-tillage corn (Zea mays L. ‘Pioneer 3369A’) culture than conventionally tilled corn. Bioassay studies conducted in the greenhouse using oats (Avena sativa L. ‘Compact’) as indicator crop showed the lowest level of simazine remaining in soils of low pH (5.4 and lower). Persistence of simazine in the soil increased with increasing soil pH.

Type
Research Article
Copyright
Copyright © 1978 by the Weed Science Society of America 

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References

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