摘要
从土壤养分含量、腐殖质组成特性的变化,研究落叶松人工纯林土壤的衰退问题,并探讨了间伐与营造混交林对土壤地力变化的影响。
ln this paper,the problem of the soil degradation was studied in pure Larch plantations on the soil nutrient contentand the change of soil hu-mus characteristies.The influences on the change of soil degradation was discu-ssed of planting mixed forcst and intermediate cutting.
出处
《内蒙古林业科技》
北大核心
1996年第3期99-102,共4页
Journal of Inner Mongolia Forestry Science and Technology
基金
内蒙古青年基金
关键词
落叶松
人工林
土壤养分
腐殖质
地力衰退
Larch plantation Soil nutrient Humus Degradation of productivity of soil