RETRACTED: Biochar's dual role in greenhouse gas emissions: Nitrogen fertilization dependency and mitigation potential - Hongzhao Li; Liwen Lin; Yutao Peng; Yongzhou Hao; Zhen Li; Jing Li; Min Yu; Xuewen Li; Yusheng Lu; Wenjie Gu; Baige Zhang (Science of The Total Environment, 2024)