【摘要】 详细介绍了炼山对杉木幼林生态系统的土壤有机质和养分烧失、水土流失、土壤肥力、林木生长及林下植被种类的影响，并针对炼山的不利生态后果，提出了几点防治对策。为合理地评价和改革炼山制度提供理论依据。更多还原

【Abstract】 In this Paper,the effects of contiol burnhng on Losses of soil organic material and nutrient,the erosion lossesof water and soil, soill fertility, treegrowth and underplant species in ecosystem of young Ohinese fir plantation were introduced in detail. Aimming atn unfavourable ecologicajcal results, the strategies and technologies for its prevention are alsoiscussed. These can provide theory basisfor rational evaluating and reforming Cotrol burningmethod.更多还原