期刊
JOURNAL OF CLEANER PRODUCTION
卷 339, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2022.130685
关键词
Biochar; Functional materials; Controlled release fertilizer; Pyrolysis; Nutrients
资金
- National Science Centre (Poland) [UMO-2018/30/Q/ST10/00060]
Biochar can be utilized to produce controlled-release fertilizers and contribute to resource utilization and environmental protection through co-application with synthetic fertilizers. This review describes the methods for producing biochar fertilizers and highlights the potential toxic risks on plants and soil organisms.
Biochar, characterized by high specific surface area and porosity as well as by the presence of various functional groups, can be an excellent matrix for creating fertilizers that slowly release nutrients (slow-release fertilizers and controlled-release fertilizers). Co-composting, co-pyrolysis or co-application biochar with synthetic fertilizers allow for biomass utilization and provide resources for environmental protection. This review aimed to collect existing knowledge on possible applications of biochar in order to obtain controlled-release fertilizers. The methods for the production of biochar fertilizers have been described, and at the same time, attention is paid to potential risks associated with the use of this type of materials in the context of their toxic effects on plants and soil organisms.
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