自制止农药，原料来源广泛，对人畜安全，费省效宏，土农药与化学农药交替使用，还可提高治虫效果。多年来，笔者从实践中总结了10种立农药的配制和使用方法，观介绍如下：1．苦楝皮主治水稻蝗虫、叶蝉、飞虱、蚜虫。制作方法是：用苦柿次0．5公斤加水5公斤，煮沸半小时，待凉 Self-made only pesticides, a wide range of sources of raw materials, human and animal safety, cost-effective macro, earth pesticides and chemical pesticides used alternately, but also improve the effect of pest control. Over the years, the author summed up in practice the preparation and use of 10 kinds of pesticides, the concept is as follows: 1. Melia pendulous governing rice locusts, leafhoppers, planthoppers, aphids. Production method is: bitter with 0.5 kg of water add 5 kg, boiling for half an hour, to be cool