Nonlinear and scenario-dependent responses of carbon-nitrogen coupling in Chinese dryland soils driven by nitrogen deposition - Chuanqi Wang; Bo Wang; Yuwei Li; Dandan Zhou; Xin Li; Yanan Yu; Nan Lyu; Xuexia Hu; Ke Zhao; Pingping Zhu; Qianqian Qin; Pu Li (Pedobiologia, 2026)