尿洗合剂即尿素、洗衣粉和水以4∶1∶400配成的溶液。据1988年云南农家历书所载,每亩作物、蔬菜用100～200斤尿洗合剂防治蚜虫,效果较好。尿洗合剂中尿素可被植物吸收,洗衣粉剂则浇几次水即可除去,对人、畜无毒安全。笔者曾应用尿洗合剂防治蚜虫,防效显著。根据不同季节、不同地区和不同作物,尿洗合剂的施用方法有所区别。 Urine wash the mixture of urea, detergent and water to 4: 1: 400 dubbed the solution. According to Yunnan farmers calendar in 1988 contained, per acre of crops, vegetables with 100 to 200 kg of urine wash aphids prevent aphid, the effect is better. Urease in urine can be absorbed by plants absorbers, detergent powder is then poured several times to remove water, non-toxic to humans and animals. I have used urine wash mixture to prevent aphids, significant effect. According to different seasons, different regions and different crops, urine washing agent application methods are different.