人工林间伐效果预测人工林的间伐作业是森林经营活动中重要的技术环节，在技术标准方面各国根据土地条件，不同树种均有明确的规定。我国的人工林间伐作业在执行中往往不力，尤其是集体林中的人工林，绝大多数采用“抓壮丁”、“拔大毛”式”ｆｇ不科学，无计划的原始经营... Prediction of thinning effect of plantation The thinning operation of plantation is an important technical link in forest management activities. In terms of technical standards, each country has definite stipulations according to land conditions and different tree species. China’s plantation thinning operations are often ineffective in the implementation, especially in the collective forest plantations, the vast majority of “grab the strong man”, “pull big hair” type "fg unscientific, unplanned original business ...