以甲基毒死蜱10ppm、20ppm 喷雾法和药糠载体法处理稻谷生产试验的残留研究结果说明:施药后稻谷中药剂含量约为理论施药量的一半,已经低于卫生标准最高允许限量10ppm.谷物上药剂的残留主要集中在稻壳和糠上,大米上残留量很低,约为原粮上的十分之一,蒸煮成米饭后降低到几乎检不出的程度. The results of the residue study on the rice production experiment with 10 ppm chlorpyrifos and 20 ppm aerosol and the drug bran carrier method showed that the content of rice in the rice after pesticide application was about half of the theoretical dosage, which was 10 ppm lower than the maximum allowable limit of the hygiene standard. Residues of cereal agents are mainly concentrated in the husk and bran, the residue on rice is very low, about one-tenth of the original grain, steamed into rice, reduced to almost undetectable extent.