全州县对过去兴办的社队林场,采用分利不分林,统分结合的经营管理形式,使集体优越性和个体积极性同时得到发挥,促进了合作林场的日益巩固和不断发展。据自治区林业勘测设计院勘测,目前全县集体合作林场有杉木用材林二十多万亩,杉树年平均胸径生长量为一点五厘米,树高生长量为一 The state-owned forest farms set up by the state in the past adopt the form of management that divides the forest into different branches and integrates the branches and integrates them so that the collective superiority and individual enthusiasm can be simultaneously exerted to promote the increasingly consolidated and continuous development of the cooperative forest farm. According to the survey by the Autonomous Region Forestry Survey and Design Institute, at present there are more than 200,000 mu of fir plantation for forestry in collective cooperation in the county. The annual average DBH growth of fir trees is 1.5 centimeters and the growth of tree height is one