Polypeptide urea inhibits cadmium uptake by enhancing Ammonium Nitrogen absorption in rice roots - Yu Fan; Yujie Yuan; Yajun Wang; Zhiyou Gong; Xiufeng Mei; Yanqiu Chen; Zhitao Hu; Xin Ni; Fei Deng; Yong Chen; Jianfeng Hu; Youfeng Tao; et al. (Journal of Environmental Management, 2026)