Correlation between soil nutrient content and enzyme activity in Betula luminifera forests of different forest ages
YU Chun-he, ZENG Zhu, WEI Qiu-si, LIU Shi-nan, YANG Mei
HUBEI AGRICULTURAL SCIENCES . 2023, (5): 54 -58 .  DOI: 10.14088/j.cnki.issn0439-8114.2023.05.010