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在多年的农作物栽培实践中,我们逐渐摸索出用肥料来杀灭或驱避作物害虫的方法,实现了施肥增产和治虫节药的目的。请农民一试。一、尿素、碳酸氢铵杀虫这两种氮肥对害虫均有刺激、腐蚀和熏蒸作用。在害虫发生期,用2%尿素液或1%碳酸氢铵液,叶面喷施,每周1次,连喷2～3次。对红蜘蛛、蚜虫、蓟马等体形小,耐力弱的害虫,有较好的防治效果。
In many years of crop cultivation practices, we have gradually found out ways to kill or repel crop pests with fertilizers, and achieved the goal of fertilization and pest control. Please peasants a try. First, urea, ammonium bicarbonate insecticide These two nitrogen fertilizers have stimulation, erosion and fumigation. In the pest occurrence, with 2% urea solution or 1% ammonium bicarbonate solution, foliar spray, once a week, and even spray 2 or 3 times. Red spider, aphids, thrips and other small size, weak endurance pests, have a better control effect.