利用化肥或有机肥防治农作物病虫害,不仅经济、安全、有效,而且还可以节省农药,同时又具有施肥作用和不伤害天敌、不污染环境等特点,可谓一举多得,值得在生产上推广。氮肥碳酸氢铵、氨水等铵态氮肥具有较强的挥发性,对害虫具有一定的刺激、腐蚀和熏蒸作用,尤其对红蜘蛛、蚜虫、蓟马等体形小、耐力弱的害虫,效果更好。施用方法:用1%碳酸氢铵或0.5%氨水 The use of chemical fertilizers or organic fertilizers to control pests and diseases of crops is not only economical, safe and effective, but also saves pesticides, and at the same time has the characteristics of fertilizing, not injuring natural enemies and not polluting the environment. It is worth mentioning that it is worth promoting in production. Nitrogen ammonium bicarbonate, ammonia and other ammonium nitrogen fertilizer has strong volatility, the pest has a certain stimulation, corrosion and fumigation, especially for red spider, aphids, thrips and other small size, weak endurance pests, better. . Method of application: 1% ammonium bicarbonate or 0.5% ammonia