在韭菜、葱、蒜种植前，每亩施３０公斤草木灰于种植沟内，然后下种并覆土，既能增产又可防治蛆虫。也可在苗期，把草木灰均匀撒于畦面，用锄将灰与土混合，防虫效果很好，并能增产１５％以上。另外将革木灰研磨过筛后，在早晨露水未干时，喷洒在蚜虫体上，防治效果可达９０％ In the leeks, onions, garlic before planting, applying 30 kg of grass ash per plant in the planting trench, and then planted under the soil and cover, both to increase production and can prevent maggots. Also in the seedling stage, the ash evenly sprinkled in the noodles, with hoe ash and soil mixing, pest control effect is very good, and can increase production more than 15%. In addition, the ground wood ash grinding sieved in the morning when the dew is dry, sprayed on aphids body, the control effect of up to 90%