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一、选择适宜树种 1、在海拔800米以上的深山区,以水土保持林为主,采取乔灌草结合的配置方式,适宜树种为油松、侧柏、火炬、荆条、沙棘、紫穗槐等。 2、在海拔800米以下的山区,以水保林为主,适当发展经济林。一般阳坡选择刺槐、侧柏、油松、柴穗槐、花椒等耐旱树种,以护坡改土,恢复植被。阴坡的土壤水分、植被等优于阳坡,可选择用材林和经济林树种,如杨树、核桃、柿树等。 3、在山坡下部的梯田和沟谷平地发展经济林,适宜树种为:枣树、花椒、柿树、苹果、李、杏、山楂等。在梯壁自然生草或种植宿根性护坡植物、绿肥植物,如草莓、金花菜、紫穗槐等。二、培育良种壮苗
First, the choice of suitable species 1, at an altitude of 800 meters above the mountainous area, mainly to soil and water conservation forests, to take the combination of trees and shrubs and grass, suitable tree species are Pinus tabulaeformis, Torch, Vitex, Seabuckthorn, Amorpha Wait. 2, in the mountains below 800 meters above sea level, mainly water and forest, the proper development of economic forest. The general choice of sunny slopes Locust, Platycladus orientalis, Pinus tabulaeformis, Chaihuai, pepper and other drought-resistant species, to slope protection, restoration of vegetation. Shady slope soil moisture, vegetation and other advantages over the sunny slope, timber and economic forest can choose the species, such as poplar, walnut, persimmon and so on. 3, in the lower part of the hillside terraces and valleys to develop economic forest, suitable for species: jujube, pepper, persimmon, apple, plum, apricot, hawthorn and so on. In the steppe natural grass or planting rhizosphere slope protection plant, green manure plants, such as strawberry, ginnia, Amorpha fruticosa and so on. Second, cultivate seedling strong seedlings