Drop soil and crop pesticide residues on fruits and crops, improve crops quality. 能解降土壤和作物果实上的农药残留，提高作物的品质。
Pesticide residues, chlorinated solvents, MTBE petrol additives and oil and petrol may pose a threat to clean groundwater. 农药残留，氯化溶剂，汽油添加剂，油和汽油都可能威胁到地下水的清洁。
