传统的果园管理是采用清耕法，即把地面的杂草除得精光，甚至田埂、梯壁、田间小道等处杂草也除光。认为除净杂草，不与果树争夺肥水，可节约肥水，同时消灭了病菌与害虫的潜伏场所，可减少病虫害。然而，一些科学家研究表明，这样做弊多利少。一些发达国家早已将清耕法改为生 The traditional management of orchards is the use of tillage, that is, the weeds in the ground in addition to shine, and even fields, ladder walls, field trails and other weeds are also removed. That weeds in addition to net, not competing with fruit trees fertilizer, water and fertilizer can be saved, while eliminating the germs and pests of the place, can reduce pests and diseases. However, some scientists have shown that it does more harm than good. Some developed countries have already changed their tillage to law