沙区乔灌混交造林新法文／苏文辉万俊生针对沙区造林缺水、缺肥、风大、温度高、干旱的问题，采用乔灌混交造林新法，可使造林成活率达９６％以上，三年后的保存率达９０％以上。现将其主要技术介绍如下：１、乔灌混交方法。株行距２×３米，乔灌排列为西方向和北方向所构... Mixed use of trees and shrubs in sandy areas New French / Su Wenhui Wan Junsheng Aiming at the problems of desertification, lack of fertility, windyness, high temperature and drought in sandy areas, the new method of afforestation with mixed planting of trees and shrubs can make the afforestation survival rate reach over 96% Years after the preservation rate of 90% or more. Now its main technical introduction is as follows: 1, Qiao irrigation method. Plant spacing 2 × 3 m, Qiao irrigation arrangement for the west and north of the structure ...