【摘 要】
:
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
【机 构】
:
西南科技大学环境与资源学院,四川理工学院,华南农业大学资源与环境学院,环境保护部华南环境科学研究所
【基金项目】
:
国家环保公益科研专项(201109020)
论文部分内容阅读
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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