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  • Product Description

Quelea control operations in Africa normally have severe effects on non-target bird species and the environment. Aerial applications of pesticides create a high off-target drift potential, which results in unreliable effectiveness and could cause contamination over large areas. Fenthion pesticide (Queletox) was aerially applied in 2004 in Sebalola, Botswana. As part of an Environmental Impact Assessment of this operation, pre-spray soil samples and post-spray soil samples were collected, air-dried, bagged, transported to the UK and kept deep frozen. Initial analysis of the samples as part of the EIA study showed three post-spray samples that had considerable amounts of the fenthion pesticide. The aim of this study was to examine the decay rates of fenthion using these samples. Lab results showed that the resultant half-life of the samples was 47 days. The concentrations of fenthion residues after 64 days (0.26 mg/kg-sample 1; 0.13 mg/kg-sample 2; 0.04 mg/kg-sample 3)were mainly above approved maximum residue levels of fenthion in animal products (0.05 mg/kg, England and Wales). This indicates a high tendency of fenthion to persist in the soil medium.

Product Specifications
SKU :COC16500
AuthorEnoch Adranyi
Number of Pages136
Publishing Year7/13/2010
Edition1 st
Book TypeEarth sciences, geography, environment, planning
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-07-25 00:00:00