1、臭椿叶防虫法。先用清水将新鲜的臭椿树叶洗净,晒干后切碎,按1:100的比例混入粮食中密封保存。粮食出仓时,再过筛,除去碎叶。2、苦楝叶防虫法。先将苦楝叶洗净、晒干,粉碎后按95:5的比例掺入少量野菊花;然后,按每公斤粮食用0.1公斤苦楝叶的比例撒在粮堆中,表层适当多撒一些,可保持粮食不生虫。 1, stinkbug leaf pest control method. Wash the fresh Ailanthus leaves with water first, then dry it and chop it up, and then seal the mixture in the ratio of 1: 100. Grain out of the warehouse, then sieved to remove broken leaves. 2, Melia leaf pest control method. First neem leaves washed, dried, crushed according to the ratio of 95: 5 dipped a small amount of wild chrysanthemum; then, per kilogram of food with 0.1 kg of neem leaves sprinkled in the proportion of scattered in the surface, Keep food insects.