我场自一九六三年建场以来,在毛主席“绿化祖国”的伟大号召下,营造幼林六万多亩,其中杉树四万余亩。采用环山水平带整地。开始几年生长还好,随着杉树逐年长大,对水肥要求越来越高,又集中连片,又是土质瘠薄的荒山秃岭,因而有三分之二的杉树长势逐 Since our establishment in 1963, under the great call of Chairman Mao’s “greening the motherland,” I have created more than 60,000 acres of young trees, of which more than 40,000 acres are Chinese fir trees. With the mountain level with leveling. In the first few years of growth, fortunately, with the growing of cedar trees year by year, water and fertilizer requirements are getting higher and higher, but also focus on contiguous, but also infertile barren barren hills, so that two-thirds of the fir growing