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▲棉花或油菜间种大蒜。大蒜挥发出来的大蒜素具有辛辣气味,可使为害棉花或油菜的蚜虫“退避三舍”;同时棉花上二代棉铃虫的发生也明显减轻。▲大豆或花生间种蓖麻。在大豆或花生地里、地边均匀地点种200～300株蓖麻,可使在豆
▲ cotton or rape between the kinds of garlic. Garlic volatile volatile allicin has a pungent odor, can damage the cotton or canola aphids ", while cotton on the second generation of cotton bollworm also significantly reduce the occurrence. Soybean or peanut species of castor beans. In soybeans or peanuts, the ground evenly planted 200 to 300 castor bean, bean can be made