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Effect of Three Tillage Systems on the Persistence of Atrazine

Published online by Cambridge University Press:  12 June 2017

Thomas T. Bauman  and
Merrill A. Ross
Thomas T. Bauman
Affiliation:
Weed Sci., Dep. Bot. Plant Pathol., Purdue Univ., West Lafayette, IN 47907
Merrill A. Ross
Affiliation:
Weed Sci., Dep. Bot. Plant Pathol., Purdue Univ., West Lafayette, IN 47907
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Abstract

Field sudies on the persistence of atrazine [2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine] showed less persistence under coulter than chisel or conventional plow tillage in the year of application. The residue on the coulter system from the previous corn (Zea mays L.) crop initially prevented as much as 30% of the atrazine from reaching the soil surface. After five annual applications, the atrazine residue was generally higher in the coulter than the chisel or conventional tillage systems, but below levels considered to be biologically active.

Keywords

No-tillconservation tillage
Type
Research Article
Information
Weed Science , Volume 31 , Issue 3 , May 1983 , pp. 423 - 426
Copyright
Copyright © 1983 Weed Science Society of America 

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References

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