欢迎访问林业科学,今天是
北京山地森林的土壤养分状况
耿玉清;余新晓;岳永杰;牛丽丽;
Variation of Forest Soil Nutrient Content in Mountainous Areas, Beijing
Geng Yuqing;Yu Xinxiao;Yue Yongjie;Niu Lili;
林业科学 . 2010, (5): 169 -175 .  DOI: 10.11707/j.1001-7488.20100527