特殊用法aquatic herbicide1.杀水草剂bipyridyl herbicide1.二吡啶基除草剂carbamate herbicide1.氨基甲酸酯除草剂chemical herbicide1.化学除草剂chlorophenoxy herbicide1.氯代苯氧型除草剂contact herbicide1.接触性除草剂nonselective herbicide1.非选择性除草剂oil herbicide1.石油除草剂organic herbicide1.有机除草剂organomercurial herbicide1.有机汞 除草剂phenoxy herbicide1.卤代苯氧型除草剂phenylurea herbicide1.苯基脲类除草剂selective herbicide1.选择性除草剂