论文部分内容阅读
一、防治根蛆危害。根蛆也叫地蛆,是为害韭菜、葱、蒜等的常见地下害虫。韭菜受害后成片被咬断,轻则减产,重则失收。防治根蛆虽可采用毒土、撤药,但均不太理想,也易造成药害和污染,并增大成本。人们在实践中发现草木灰是防治根蛆的“灵丹妙药”。以新鲜草木灰壅根蔸,防效达100％。方法是:在韭菜分根移栽的,在定栽沟底将草木灰撒入,并与细土稍混,然后置根覆
First, control root maggots hazards. Maggot also called maggot root, is harmful to leeks, onions, garlic and other common underground pests. Leeks into pieces after filming was snapped, ranging from cut, while losing weight. Although the root maggots can be used to control toxic soil, withdrawal of drugs, but are not ideal, but also easy to cause injury and pollution, and increase costs. In practice, people find that ash is the “miraculous cure” for controlling root maggots. With fresh grass ash root bream, control effect of up to 100%. The method is: in the chives sub-root transplanting, the planted ditch at the end of the plant ash scattered into, and slightly mixed with fine soil, and then rooted cover