安全间隔期问题的提出美国在最近几年,尤其是在禁用DDT后,农业上转而采用急性毒性更大的有机磷和氨基甲酸酯杀虫剂,农业工人在施药后进入田间劳动,因反复接触植物表面的农药残留,发生了较多的中毒事件。而原来防护措施根本不切实际。如穿戴防护设备,收获季节 Proposed Security Interval Issues In recent years, especially after the DDT was banned in the United States, agriculture switched to using more acutely toxic organophosphate and carbamate insecticides, and agricultural workers entered the field after their pesticide application. Due to repeated exposure to pesticide residues on the plant surface, occurred more poisoning events. The original protective measures simply impractical. Such as wearing protective equipment, harvest season