大青山黄土坡,一般都是低山区的南坡、西南坡和东南坡。这些地区海拔高一千三百米左右,植被复盖很差,除有稀疏杂草和偶见少数灌木零星生长外,多是基岩裸露、童山光顶,土壤非常干旱、瘠薄,水土流失严重。几年来,我们曾在这里进行了橡树、油松直播,落叶松、青杨、小叶杨、油松植苗,加拿大杨、小叶杨插条,山杨丁字形苗移植(分根造林)等各种造林工作。其中效果较好的有:橡树春播,青杨和落叶松植苗,加拿大杨和小叶杨插条,成活率均在80%以上。因此,谈谈以下体会,供各地参考。一、树种选择及确定造林方法要适应土壤干旱特性。黄土坡地区,由于植被少,日照强,水 Daqingshan loess slope, are generally low mountainous southern slope, southwest slope and southeast slope. These areas are about 1,300 meters above sea level with poor vegetation coverage. Except sporadic sparse weeds and occasional sparsely scattered shrubs, most of them are bedrock bare and Tongshan Guangding. The soil is very arid, infertile and soil erosion is serious . Over the past few years, we have conducted a variety of such as oak, live on the oil palm, larch, Poplar, Populus simonii, Pinus tabulaeformis, Canada poplar, poplar cuttings, Afforestation work. Among them, the effect is better: oak spring sowing, poplar and larch seedlings, Canadian poplar and poplar cuttings, survival rates are above 80%. Therefore, to talk about the following experience for reference around. First, tree species selection and afforestation methods to adapt to the characteristics of soil drought. Loess slopes, due to less vegetation, strong sunshine and water