Adsorption of glyphosate and aminomethylphosphonic acid in soils

被引：39

作者：

Rampazzo, N. ^{[1
]}

Todorovic, G. Rampazzo ^{[1
]}

Mentler, A. ^{[1
]}

Blum, W. E. H. ^{[1
]}

机构：

[1] Univ Nat Resources & Life Sci, Inst Soil Res, Dept Forest & Soil Sci, A-1190 Vienna, Austria

来源：

INTERNATIONAL AGROPHYSICS | 2013年 / 27卷 / 02期

关键词：

adsorption; glyphosate; aminomethylphosphonic acid; soils; MICROBIAL-DEGRADATION; MINERALIZATION; SORPTION;

D O I：

10.2478/v10247-012-0086-7

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The results showed that glyphosate is initially adsorbed mostly in the upper 2 cm. It is than transported and adsorbed after few days in deeper soil horizons with concomitant increasing content of its metabolite aminomethylphosphonic acid. Moreover, Fe-oxides seem to be a key parameter for glyphosate and aminomethylphosphonic adsorption in soils. This study confirmed previous studies: the analysis showed lower contents of dithionite-soluble and Fe-oxides for the Chernozem, with consequently lower adsorption of glyphosate and aminomethylphosphonic as compared with the Cambisol and the Stagnosol.

引用

页码：203 / 209

页数：7

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