Lignin-Modified Petrochemical-Source Polyester Polyurethane Enhances Nutrient Release Performance of Coated Urea. - Hu, Xiaomin; Liu, Baishan; Chen, Siyu; Chen, Qi; Chen, Heping; Dong, Jingjing; Zhang, Kexin; Wang, Junxi; Zhang, Min; Liu, Zhiguang (Agronomy, 2025)