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目前农村实行新的生产责任制,施用农药的组织形式,由原来的专业队伍变为分户治虫。各户喷洒人员的年龄、文化水平、身体状况、农药防护知识以及操作能力等均不如专业队伍便于掌握不控制。如今农村喷洒的农药大部分为有机磷农药,其中毒的直接原因是因为皮肤及衣服被农药污染,而主要污染途径为皮肤污染,约占86.4%。这是由于有机磷化合物的沸点高、饱和蒸气压低,一般不易以蒸气态逸出,加上在田间喷洒农药时容易波稀释,所以空气中有机磷农药的浓度不高,不易经呼吸道
At present, the implementation of a new production responsibility system in rural areas and the application of pesticide organizations has changed from a professional team to a household pest control pest. The average age, educational level, physical condition, pesticide protection knowledge and operational ability of sprayers in each household are not as good as the professional team to grasp and not to control. Nowadays, most pesticides sprayed in rural areas are organophosphorus pesticides. The direct cause of poisoning is that the skin and clothes are contaminated with pesticides. The main pollution route is skin pollution, accounting for 86.4%. This is due to the high boiling point of organic phosphorus compounds, saturated vapor pressure is low, generally not easy to escape in the vapor state, coupled with easy to dilute the wave when spraying pesticides in the field, so the concentration of organophosphorus pesticides in the air is not high, not easily through the respiratory tract