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Herbicide Distribution in a Block of Soil

Published online by Cambridge University Press:  12 June 2017

E. L. Robinson*
Affiliation:
Field Crops Res. Lab., Agric. Res. Serv. U.S. Dep. of Agric., Athens, GA 30604

Abstract

A technique of collecting contiguous soil samples was developed that showed the distribution of nitralin [4-(methylsulfonyl)-2,6-dinitro-N,N-dipropylaniline] in the soil profile. About 60 days after the herbicide was applied and incorporated with a disk harrow, the soil was sampled from two sites in 1968, five sites in 1969, and five sites in 1970. Bioassays, that utilized root lengths of grain sorghum [Sorghum bicolor (L.) Moench ‘Dekalb 57E’], indicated large variation in herbicide concentrations among adjacent or on contiguous soil samples.

Type
Research Article
Copyright
Copyright © 1976 by the Weed Science Society of America 

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References

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