我国人工林地力衰退与维护研究  

A Study of Site Productivity Decline and Maintenance of Artificial Forest in China

作　　者：叶充[1] 胡庭兴[1] 黄从德[1] 蔡仕珍[1] 

机构地区：[1]四川农业大学林学园艺学院,四川雅安625014

出　　处：《四川林业科技》2005年第4期50-55,共6页Journal of Sichuan Forestry Science and Technology

摘　　要：本文从育林措施、气候、土壤、人工林群落结构、树种等方面概述了引起地力衰退的主要因素和应对策略。This paper treats of the causes of site productivity decline of artificial forest, including planting methods, climate, soil, population structure, species and the proper measures.

关 键 词：人工林 地力衰退 地力维护 

分 类 号：S714.8[农业科学—林学]