Achieving high-quality and safe compost: a study on multi-optimization of a non-linear system using machine learning - Yuchang Shi; Muhammad Fahad Sardar; Longmei Qiu; Binxu Li; Muhammad Zia-ur-Rehman; Yukun Xue; Xu Zhang; Wuyang Zhao; Hongna Li (Bioresource Technology, 2026)