Residues of dicofol in soils, citrus fruits, Ageratum conyzoides of citrus orchards in 13 locations, Fujian province, were analyzed.

• 测定了福建省南平、福州、宁德等地13个柑桔园土壤、柑桔果实及覆盖植物胜红蓟三氯杀螨醇的含量。