ADSORPTION OF GLYPHOSATE AND AMPAIN AGRICULTURAL SOILS

Nicola Rampazzo, Gorana Rampazzo Todorovic, Axel Mentler

Abstract


Immediately after application glyphosate is mostly adsorbed in the upper 2 cm of soils, and is then transported and adsorbed after few days in deeper soil horizons with concomitant increasing content of its metabolite aminomethylphosphonic acid (AMPA). This work confirmed previous studies, where Fe-oxides seem to play a major role in the adsorption of glyphosate and AMPA in soils:  the Chernozem featured lower contents of Fed and Feo, with consequently lower adsorption of glyphosate and AMPAas compared with the higher weathered Cambisol and Stagnosol.


Keywords


adsorption; glyphosate; AMPA; soils

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References


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DOI: 10.6092/issn.2281-4485/3928

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