Biochar and hydrochar for saline soil amelioration and rice seedling growth promotion - Shuoding Xiao; Yu Xie; Jingru Yi; Yumei Huang; Weijie Yan; Sile Liu; Cheng Yi; Zongnan Li; Zhichao Xiang; Zhi Zhou; Wei Luo (Journal of Soils and Sediments, 2026)