STUDY OF CARBOFURAN MOVEMENT IN SOILS .2. KINETICS

被引：11

作者：

ACHIK, J

SCHIAVON, M

JAMET, P

机构：

[1] E.N.S.A.I.A.-I.N.P.L., Laboratoire de Protection des Cultures

[2] I.N.R.A. de Versailles, Laboratoire de Phytopharmacie

来源：

ENVIRONMENT INTERNATIONAL | 1991年 / 17卷 / 01期

关键词：

D O I：

10.1016/0160-4120(91)90340-V

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The time variation of the quantity of 14C-carbofuran adsorbed on two agricultural soils was evaluated by an agitation-type technique. The experimental results showed the occurrence of a "rapid" adsorption phase, followed by a "slow" adsorption phase. Three mathematical models describing the adsorption or adsorption-desorption kinetics of pesticides in soil were used and discussed for analyzing and comparing the behavior of carbofuran in two soils. These models included a hyperbolic model and two 2- or 3-compartment models. The three-compartment model yielded the highest estimated values for Qmax, the maximum amount of adsorbed carbofuran. The clay soil had greater adsorptive capacity than the loamy clay soil. The results indicate that carbofuran tended to desorb (k12>k21), and explain, at least partially, the mobility of carbofuran specific to certain soils. © 1990.

引用

页码：81 / 88

页数：8

共 5 条

[1]

Achik, Schiavon, Carbofuran transfer and persistence in drained agricultural soils related to their structure and adsorption properties, Ecotox. Environ. Safety, 18, pp. 83-92, (1989)

[2]

Achik, Schiavon, Jamet, Study of carbofuran movement in soils: part I—soil structure, Environ. Int., 17, pp. 73-79, (1990)

[3]

Biggar, Mingelgrin, Cheung, Equilibrium and kinetics of adsorption of picloran and parathion with soils, J. Agric. Food Chem., 26, pp. 1306-1312, (1978)

[4]

Jamet, Thoisy, Laredo, Étude et modélisation de la cinétique d'adsorption des pesticides dans le sol, Behavior and side effects of pesticides in soil, 31, pp. 135-146, (1985)

[5]

Jolivet, Introduction aux modèles mathématiques en biologie, (1983)

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