近年来,在山区、丘陵等宜林地,发展了不少果树,可由于北方地区冬季气候寒冷干燥,春季多风少雨,对果树的越冬带来诸多不利。以往,针对一、二年生的幼树,常常采用整株弯倒埋土防寒,效果很好,但三年生以上的幼树所采取的筑防护篱,用秸秆、塑料条包扎的方法,费工费时,不适应 In recent years, in the mountains, hills and other suitable forests, the development of many fruit trees can be cold and dry in the northern winter climate, windy and rainy in spring, causing many unfavorable consequences for the wintering of fruit trees. In the past, for the first year and second year sapling, the whole plant is often used to prevent the cold and prevent cold, but the effect is very good. However, the method of using straw and plastic strips to fasten the saplings taken by saplings of more than three years requires laborious and time-consuming Not suitable