论文部分内容阅读
通过对杨树低价林改造后林地内林木的生育调查和各项效益分析，证明“以松改杨”、林粮间种、集约经营这种改造方式兼顾到了生态效益和经济效益，节约了造林成本，培育了林业自身的后备资源，具有良好的生态、经济效益，是一种切实可行的低价林改造方法。
After the transformation of low-cost poplar forest woodland after the birth of the survey and analysis of benefits, to prove that "to change Song Yang, inter-species forest, intensive management of this transformation takes both ecological and economic benefits, saving Afforestation costs, fostering the forestry’s own back-up resources, with good ecological and economic benefits, is a viable low-cost forest transformation methods.