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叙述造成作物药害的主要化学除草药剂苯氧羧酸类(其中以2,4-滴丁酯为主)、酰胺类(其中以乙草胺为主)、磺酰脲类(其中以烟嘧磺隆为主)、三氮苯类(其中以莠去津为主)和灭生性除草剂(百草枯、草甘磷)的作用特点和部分敏感的阔叶作物受药害后症状;结合作物药害症状确定造成药害的主要原因和药害来源;提出了解决作物药害的妥善方法。
Describe the main chemical herbicides that cause crop phytoalexial phenoxy carboxylic acids (2,4-D butyl ester based), amides (mainly acetochlor), sulfonylureas (which nicotine (Mainly including atrazine) and the herbicides (paraquat and glyphosate) and the symptoms of some sensitive broad-leaved plants under the influence of pesticides; the combination of crops Determining the causes of phytotoxicity The main causes of phytotoxicity and the sources of phytotoxicity; and proposing a sound method of resolving crop phytotoxicity.