Species-specific nutrient acquisition strategies in subtropical afforestation tree species under nitrogen fertilization - Sihui Qiu; Ying-Ping Wang; Shiting Xia; Songjia Chen; Jie Li; Zhongbing Chang; Mengxiao Yu; Yinping Tan; Ziqi Liang; Junhua Yan; Jun Jiang (Plant and Soil, 2026)