生物炭
环境科学
营养污染
磷
热解
营养物
氮气
非点源污染
农业
污染
环境工程
环境化学
农学
废物管理
化学
生态学
工程类
生物
有机化学
作者
Yufei Zhao,Zhijun Hu,Yunpeng Lu,Shengdao Shan,Haifeng Zhuang,Chenpan Gong,Xin Cui,Fuhao Zhang,Li Peng
标识
DOI:10.1016/j.biortech.2023.130179
摘要
The current study generated co-pyrolysis biochar by pyrolyzing rice straw and pig manure at 300 °C and subsequently applying it in a field. Co-pyrolysis biochar demonstrated superior efficiency in mitigating agricultural non-point source pollution compared to biochar derived from individual sources. Furthermore, it displayed notable capabilities in retaining and releasing nutrients, resulting in increased soil levels of total nitrogen, total phosphorus, and organic matter during the maturation stage of rice. Moreover, co-pyrolysis biochar influences soil microbial communities, potentially impacting nutrient cycling. During the rice maturation stage, the soil treated with co-pyrolysis biochar exhibited significant increases in available nutrients and rice yield compared to the control (p < 0.05). These findings emphasize the potential of co-pyrolysis biochar for in-situ nutrient retention and enhanced soil nutrient utilization. To summarize, the co-pyrolysis of agricultural waste materials presents a promising approach to waste management, contributing to controlling non-point source pollution, improving soil fertility, and promoting crop production.
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