甘肃陇西北山是一个高寒干旱的地区,荒山很多,树木稀少。天水专区为了教育干部和广大群众,树立和自然灾害作斗争的信心,一九五四年春组织重点组对这个干旱地区的造林工作,采用了密植,开水平沟和利用冲刷积水穴进行短杆插柳等方法作了试 Gansu Longxi Beishan is a cold and arid region, a lot of barren hills, sparsely populated trees. In order to educate cadres and the general public and establish confidence in the fight against natural disasters, the Tianshui Special Zone organized the key group to work on afforestation in this arid region in spring of 1954, using close planting, open horizontal furrows, Plug Liu and other methods made a test