土农药是利用植物茎叶经过简单加工而制成的农药。它具有原料广、成本低、方法简单、无污染,既能灭虫又能防病,对人畜安全等优点。现介绍几种经实践证明效果较好的土农药的制作与使用方法: 大蒜水将大蒜1公斤捣烂,加水10公斤,搅拌后过滤,取滤液喷洒或灌根,能抑制多种中药材叶斑病、 Soil pesticide is the use of plant stems and leaves made of simple processing of pesticides. It has the advantages of wide raw material, low cost, simple method, no pollution, both pest control and disease prevention, and human and livestock safety. Now introduced several proven soil pesticide production and use better method: Garlic garlic 1 kg of garlic smashed, add water 10 kg, filtered after mixing, take the filtrate spray or irrigation, can inhibit a variety of Chinese herbal medicines Spot disease,