Abstract:Leaching of atrazine [6-chloro-N-ethyl-N '-(methylethyl)-1 ,3,5-triazine-2,4-diamine] and terbuthylazine [6-chloro-N-(1, 1-dimethylethyl)-N'-ethyl-1 ,3,5-triazine-2,4-diamine] was studied in 23 soils by means of the soil thick-layer leaching method. The equivalent of 4 kg ai ha-1 0f both herbicides was leached with water equivalent to 129 mm rain. Distances leached were measured qualitatively in bioassays with the test plant Trifolium repens L. Leaching distances in different soils varied from 6-20 cm for atra… Show more
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