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Efficacy of Cereal Straw and its conjoint use with microbial consortium in reducing the leaching of chlorpyrifos: A soil column study

Author Affiliations

  • 1Department of Chemistry, College of Basic Sciences and Humanities, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, US Nagar 263145, Uttarakhand, INDIA
  • 2Department of Soil Science, College of Agriculture, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, US Nagar 263145, Uttarakhand, INDIA
  • 3Department of Microbiology, College of Basic Sciences and Humanities, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, US Nagar 263145, Uttarakhand, INDIA

Res.J.chem.sci., Volume 5, Issue (6), Pages 9-14, June,18 (2015)


The efficacies of cereal straw and conjoint use of cereal straw with microbial consortium (Pseudomonas sp. HY8N with other bacterial isolates) were evaluated in reducing the leaching of chlorpyrifos using soil columns under laboratory conditions. Application of cereal straw @ 5 t ha–1 decreased the leaching of chlorpyrifos by 22 percent whereas the conjoint use of cereal straw @ 5 t ha–1 and microbial consortium was more effective than cereal straw alone and reduced the leaching of chlorpyrifos by 44 percent. The amount of chlorpyrifos residue in the surface soil (0-15) was also reduced by the application of microbial consortium in addition to cereal straw.


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