Competitive sorption between glyphosate and inorganic phosphate on clay minerals and low organic matter soils

@inproceedings{Dion2001CompetitiveSB,
  title={Competitive sorption between glyphosate and inorganic phosphate on clay minerals and low organic matter soils},
  author={Heather M. Dion and James B Harsh and Herbert Henderson Hill},
  year={2001}
}
Inorganic phosphate may influence the adsorption of glyphosate to soil surface sites. It has been postulated that glyphosate sorption is dominated by the phosphoric acid moiety, therefore, inorganic phosphate could compete with glyphosate for surface sorption sites. We examine sorption of glyphosate in low organic carbon systems where clay minerals dominate the available adsorption sites using 32P-labeled phosphate and 14C-labeled glyphosate to track sorption. We found glyphosate sorption… CONTINUE READING

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