Effects of different urea-based fertilizers on gaseous and hydrological nitrogen losses from subtropical citrus orchards - Jing Zheng; Hongyu Lin; Xingling Wang; Hongyang Dong; Bowen Zhang; Hui Cheng; Shouzheng Jiang; Ralf Kiese; Klaus Butterbach-Bahl; Minghua Zhou (Agriculture, Ecosystems & Environment, 2026)