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The Relationship between Herbaceous Biomass and Soil Factors of Sunny Slopes in the Mountains of Northern Hebei
YU Shitao, FU Jinchi, JIANG Lingling, MA Rong, XU Zhongqi
Forest and Grassland Resources Research . 2019, (1): 32 -37 .  DOI: 10.13466/j.cnki.lyzygl.2019.01.006