Nitrogen addition accelerates aboveground biomass sequestration in old-growth forests by stimulating ectomycorrhizal tree growth

Zhichun Yang, Zikun Mao, Wenwen Ji, Antonio Gazol, Shufang Liu, Chao Wang, Ji Ye, Fei Lin, Xugao Wang, Zhanqing Hao, Edith Bai, Zuoqiang Yuan