华北落叶松人工林营养元素的生物循环
谢会成;杨茂生
The Biocycle of Larix principis-ruppechtii Forest Plantation in South Slope of Qinlin Mountains
XIE Hui cheng 1,YANG Mao sheng 2
南京林业大学学报(自然科学版) . 2002, (05): 49 -52 .  DOI: 10.3969/j.jssn.1000-2006.2002.05.012