冀西北不同坡位油松林土壤理化性质差异

贾茜，宋淑霞，曹航，郭建军，杨新兵

Soil physical and chemical properties of Pinus tabulaeformis forest at different slope positions in northwest Hebei Province

林业与生态科学 . 2022, (3): 251 -257 . DOI: 10.13320/j.cnki.hjfor.2022.0036