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Confining Fumigants in the Soil with Surface Seals

Published online by Cambridge University Press:  12 June 2017

Stanley J. Pieczarka  and
G. F. Warren
G. F. Warren
Affiliation:
Purdue University, Lafayette, Indiana
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Extract

Treatment of soil with fumigants to kill dormant weed seeds is a valuable practice but control in the surface one or two inches is often poor. This is because the fumigant vapors diffuse rapidly out of the soil into the atmosphere before building up a lethal concentration near the surface. Improved weed control has been reported by proper confinement of fumigant vapors in the soil with impervious seals. Water seals have been advocated by some workers as a satisfactory substitute for impervious covers. However, only limited experimental data are available comparing soil fumigation results with different methods of sealing the soil surface.

Type
Research Article
Information
Weeds , Volume 9 , Issue 1 , January 1961 , pp. 106 - 110
Copyright
Copyright © 1961 Weed Science Society of America 

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References

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