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Characteristics of Soil Nitrogen Components of Original Tilia Pinus Koraiensis Forest and Secondary Poplar-Birch Forest in Lesser Khingan Mountains
DIAO Yunfei, ZHANG Su, CONG Xidong, DU Qian, WANG Qiyao, LIU Xue
Chinese Agricultural Science Bulletin . 2022, (26): 69 -75 .  DOI: 10.11924/j.issn.1000-6850.casb2021-0868