果园覆草并不都有利（编者按）最近接到不少读者来信询问，果园覆草到底是利大还是弊大，现根据读者的意见，我们摘编了两篇覆草和“生草”不同的文章，供果农朋友们参考，最后的正确答案，还要靠生产实践去检验。果园覆草能增加土壤有机质，提高土壤肥力；减少水分蒸发，... Orchard mulching does not always benefit (Editor’s note) Recently, many readers have received a letter asking whether the orchard mulching is a big plus or a big drawback. According to the readers’ opinions, we extract two mulching and “raw grass” The article for the fruit farmers friends reference, the final correct answer, but also rely on production practice to test. Orchard mulching can increase soil organic matter, improve soil fertility; reduce water evaporation, ...