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Pesticide Research Journal
Year : 2010, Volume : 22, Issue : 1
First page : ( 14) Last page : ( 18)
Print ISSN : 0970-6763.

Adsorption and Desorption of Alachlor in Different Soils

Priya Gowri1, George Thomas2,,*

1Department of Soil Science and Agricultural Chemistry, College of Agriculture, Vellayani, Thiruvananthapuram, 695522, India

2AINP on Pesticide Residues, College of Agriculture, Vellayani, Thiruvananthapuram, 695522, India

*Corresponding author thomasgeorgetvm@yahoo.co.uk

Received:  12  June,  2009; Accepted:  18  May,  2010.

Adsorption and desorption patterns of the herbicide alachlor in twelve soils having varying physico-chemical properties were studied. The laboratory experiments showed that herbicide adsorption and desorption in soils were predominantly influenced by the clay and organic carbon contents of the soil and hence a higher retention in these soils. Contribution of other soil parameters like pH, EC and CEC were insignificant on the adsorption and desorption phenomena of alachlor in soils.

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Keywords

Alachlor, adsorption, desorption.

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