落叶松人工林土壤主要营养元素时空变异

孟春, 罗京, 庞凤艳

The Spatial and Temporal Variability of Soil Main NutrientContents in Larix gmelini Rupr Plantation

Meng Chun,Luo Jing,Pang Fengyan

森林工程 . 2013, (3): 33 -38 .