Single and binary-combined toxicity of methamidophos, acetochlor and Cu on earthworm Eisenia foetida STUDIES ON WEED CONTROL IN TOBACCO FIELDS UNDER PLASTIC FILM MULCHING Effects of fulvic acid on bioactivity and persistence of acetochlor Isolation of Acetochlor-degrading Bacterium Rhodococcus sp.AC-1 and Its Degradability Effects of acetochlor on the photosynthetic and fluorescence characteristics and chloroplast structure of grape leaves. Effects of acetochlor on soil urease kinetic characteristics Combined acute toxicity of chloride Cd, malathion and acetochlor on Eisenia fetida earthworm Effect of acetochlor application on soil microorganism number and enzymes activities Indication and response of soil microbe to acetochlor Effects of acetochlor and methamidophos on culturable fungal population and community structure in black soil Influence of acetochlor on Pb forms and their bioavailability in phaiozem of northeast China