农药复合污染在土壤中的吸附规律研究

来源 :西南科技大学学报 | 被引量 : 0次 | 上传用户:wangweiche
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采用批量平衡法研究了阿特拉津、毒死蜱及氰戊菊酯单独或共存时在土壤中的交互吸附特性。结果表明,3种农药混合使用比单独使用时达到吸附平衡所用的时间提前;农药单独存在和共存情况下,3种农药的吸附量均有相同的变化趋势,农药种类越多,每种农药的吸附量会减少,且在高浓度下差异显著;土壤中有机质含量越高,对农药的吸附量也越大,但受农药自身结构性质的显著影响。
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