Leaching behaviour of chlorpyriphos and cypermethrin in sandy loam soil

被引：10
|
作者：
Rani, Mamta [1 ,2 ]
Saini, Sunayana [1 ,2 ]
Kumari, Beena [1 ,2 ]
机构：
[1] CCS Haryana Agr Univ, Dept Chem & Phys, Hisar 125004, Haryana, India
[2] CCS Haryana Agr Univ, Dept Entomol, Hisar 125004, Haryana, India
来源：
ENVIRONMENTAL MONITORING AND ASSESSMENT | 2014年 / 186卷 / 01期
关键词：
Leaching; Chlorpyriphos; Cypermethrin; Sandy loamsoil; Column; Residues; PYRETHROID INSECTICIDES; METSULFURON-METHYL; PERSISTENCE; DEGRADATION; PESTICIDES; ADSORPTION; CHLORSULFURON; TRIASULFURON;
D O I：
10.1007/s10661-013-3364-3
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The mobility of chlorpyriphos and cypermethrin in sandy loam soil was studied in soil columns under laboratory conditions at two application rates, 25 and 50 mu g, with simulated rainfall of 300 mm. Residues of chlorpyriphos and cypermethrin in soil and leachate were estimated by gas-liquid chromatography and confirmed by gas chromatography-mass spectrometry. Though maximum concentration of both the insecticides was found in the top 10-cm layer, chlorpyriphos was found distributed in the soil up to a depth of 35 cm and cypermethrin remained up to 15 cm. Results indicated the low mobility of both the insecticides under saturated moisture condition and hence may not contaminate ground water. No residues of any insecticide were detected in the leachate fractions.
引用
收藏
页码：175 / 182
页数：8
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