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Behavior of glyphosate and aminomethylphosphonic acid (AMPA) in soils and water of reservoir Radeburg II catchment (Saxony/Germany)
Author(s) -
Grunewald Karsten,
Schmidt Wido,
Unger Christiana,
Hanschmann Gudrun
Publication year - 2001
Publication title -
journal of plant nutrition and soil science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 87
eISSN - 1522-2624
pISSN - 1436-8730
DOI - 10.1002/1522-2624(200102)164:1<65::aid-jpln65>3.0.co;2-g
Subject(s) - aminomethylphosphonic acid , glyphosate , chemistry , environmental chemistry , soil water , sorption , forestry , agronomy , environmental science , biology , soil science , adsorption , geography , organic chemistry
The behavior of the herbicide glyphosate and its main metabolite aminomethylphosphonic acid (AMPA) was investigated in soils and water in a well‐defined catchment of the reservoir Radeburg II near Dresden (Saxony/Germany). The half‐life of glyphosate in soil ranged from 11 to 17 days. Glyphosate and AMPA completely disappeared from soil after about 5 months following application of the products ”Roundup Ultra” and ”Touchdown”. The aquatic system in the test areas (surface water, soil solution, and groundwater) was not significantly affected by direct application of the compound. In general, there was a clear indication of strong sorption of the two substances by soil particles. Settlement areas were recognized as possible sources of glyphosate and AMPA intake in aquatic systems.