1.选择微生物农药或生化制剂。微生物农药或生化制剂(农用抗生素)既能防病治虫,又不污染环境和毒害人畜,且对天敌安全,害虫不产生抗药性,如HD—1 青虫菌6号、井岗霉素、春雷霉素、农用链霉素、DT 乳剂、农抗120等。 2.积极推广土农药。利用非药剂物质来控制病虫的发生量。如 800～1000倍液的尿洗合剂(1 份尿素、0.2 份洗衣粉、100 份水混合而成)、石灰烟草水(石灰少许,浸泡烟草一昼夜过滤而成)等,对蚜虫的防治效果达85％以上;用 100～150克碳酸氢铵加水 15 公斤喷雾,可防治黄瓜霜霉病;667平方米喷1.5％～2％的过磷酸钙液可防治辣椒上的棉铃虫、烟青虫等;将死亡的菜青虫捣烂加水过滤,用滤液喷雾可防 1. Choose microbial pesticides or biochemicals. Microbial pesticides or biochemical agents (agricultural antibiotics) both prevent and control pests, but also do not pollute the environment and poison humans and animals, and the safety of natural enemies, pests do not produce resistance, such as HD-1 Coriolus 6, Jinggangmycin, Prime, agricultural streptomycin, DT emulsion, agricultural anti-120 and so on. 2. Actively promote soil pesticides. The use of non-pharmaceutical substances to control the incidence of pests. Such as 800 ~ 1000 times the liquid detergent (1 urea, 0.2 parts of detergent, 100 parts of water mixed), lime tobacco water (a little lime, soaked tobacco day and night filtered), the control effect of aphids up to More than 85%; with 100 to 150 grams of ammonium bicarbonate plus water 15 kg spray can prevent cucumber downy mildew; 667 square meters spray 1.5% ~ 2% of the superphosphate can control pepper bollworm, tobacco budworm; The Pieris rapae smashed add water filtration, spray can be used to prevent the filtrate