实践证明,利用以下八种植物,对蔬菜害虫可进行有效地生态防治,对无公害疏菜的生产具有积极意义。一、山地瓜将山地瓜的茎、根晒干,研制成粉后,可直接用于拌种或与土杂粪混施于播种沟、穴内。每亩用3～4千克,对蛴螬、蝼蛄、金针虫、地老虎等地下害虫防效达90%以 Practice has proved that the use of the following eight kinds of plants, pests of vegetables can be effectively ecological control, the production of pollution-free vegetables have a positive meaning. First, the mountain melon Mountain melon stems, roots dried, developed into powder, can be used directly for seed dressing or mixed with soil mixed seeding ditch, hole. Per mu with 3 to 4 kg, on 蛴 螬, 蝼 蛄, insects, ground tigers and other underground pests control efficiency of 90%