为了生产无公害的绿色农产品，这里介绍两种需要早作准备的可以变废为宝的自备农药。一、苦楝果实苦楝是农村到处都有的速生树。其果实是宝贵的自然资源，极待开发利用。自８０年代以来国内外对苦楝的杀虫作用研究甚多。笔者也曾作过多年试验。将苦楝果实锤碎，用高浓度酒... In order to produce green agricultural products that are pollution-free, we introduce two kinds of prepared pesticides that can be turned into rubbish. First, Melia azedarach Melrose is a fast-growing tree everywhere in the countryside. Its fruit is a precious natural resource, which is still under development and utilization. Since the 1980s at home and abroad on the role of Melia a lot of research. I have also made many years of experiments. Will Meliaceae fruit hammer broken, with a high concentration of wine ...