浅议贫困林场发展多种经营问题张建德渭源县会川、五竹、莲峰三个国营林场，经营总面积４８．１万亩，其中有林地１５．６万亩，主要为天然残败次生林，活立木总蓄积１９．７万立方米，其中桦、杨等杂木占７５％以上；有宜林地１７．７万亩。林场现有职工１５８人，其中半... On the development of a variety of management problems in poor forest Zhang Jiande Weiyuan County Huichuan, five bamboo, Lianfeng three state-owned forest farms, a total area of ​​481,000 mu, of which 156,000 acres of woodland, mainly for the natural residual secondary forest, The total volume of living trees 197,000 cubic meters, including birch, Yang and other miscellaneous wood accounted for more than 75%; Yilin appropriate 177,000 mu. Forest field existing staff 158 people, of which half ...