ADSORPTION AND DESORPTION OF FLUPROPACIL ON VARIOUS SOILS

被引：1

作者：

VITHALA, RV ^{[1
]}

WHITE, CK ^{[1
]}

SPARE, WC ^{[1
]}

机构：

[1] AGRISEARCH INC, FREDERICK, MD 21701 USA

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 1995年 / 43卷 / 11期

关键词：

FLUPROPACIL; ADSORPTION; DESORPTION;

D O I：

10.1021/jf00059a038

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The adsorption and desorption of flupropacil [1-methylethyl 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1(2H)-pyrimidinyl]benzoate] were studied on four soils (sand, sandy loam, loamy sand, clay) of different physicochemical properties. The flupropacil adsorption and desorption data fit the Freundlich equation. Flupropacil was found to adsorb little to any of the four soil types tested, indicating it may be a potential leacher. The adsorption constant, K-d, ranged from 0.26 for sand to 2.56 for clay soil, while n varied from 0.92 to 1.14. The desorption constants ranged from 1.70 for sand to 6.26 for clay soil, and n varied from 1.03 to 1.23.

引用

页码：2981 / 2984

页数：4

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