Changes in cotton rhizosphere soil bacterial community diversity and structure induced by chlorpyrifos Influence of droplet densities and spray methods on the efficiency of chlorpyrifos against brown planthopper Residue of chlorpyrifos and its degradation dynamics in Chinese chive (Allium tuberosum) plant and soil. BEHAVIORS OF ~(14)C-BUTACHLOR, ~(14)C-CHLORPYRIFOS AND ~(14)C-DDT IN Rana japonica japonica GUENTHER Effects of sub-lethal concentrations of chlorpyrifos and isoprocarb on experimental population of Rhopalosiphum padi Isolation and Characterization of the Chlorpyrifos-degrading Trichoderma Strains from the Vegetable Soil in Greenhouse Influence of leaf incline angle,droplet size and spray volume on deposition of chlorpyrifos on rice plants Kinetics of chlorpyrifos degradation by Bacillus cereus strains Biodegradation characteristics of chlorpyrifos by sodium alginate immobilized bacteria An Analysis of Environmental and Biological Effects of Chlorpyrifos Irradiation Degradation of Chlorpyrifos in Water Solution and Asparagus Effects of Chlorpyrifos on Food Utilization and Detoxifying Enzymes and Acetylcholinesterase of Lymantria dispar Studies of hemocytes DNA damage by two pesticides acetamiprid and chlorpyrifos in predaceous spiders of Pardosa astrigera Koch Effects of chlorpyrifos stress on antioxidant enzyme activities and some related compound contents in pakchoi Effects of alginate cerium complexes on ascorbate-glutathione cycle in spinach leaves under chlorpyrifos stress