Biochar is utilized in modern society for multiple agricultural and environmental purposes in the framework of circular economy. The aims of this study were to review the leading edge of knowledge of studies where biochar was used in the agriculture sector, as an input for growing media, composting and to improve soil physical and chemical properties along with crop yield. Usage of biochar is promising as substitute for peat and in the composting as it reduces N losses, accelerates the process and improves the quality of final composts. The right selection of feedstock and optimization of pyrolysis conditions are key factors to tailor biochar thereby improving soil properties and increasing crop yield. Potential benefits and flaws for the usage of biochar technology in the agricultural domain are broadly reviewed and thoroughly discussed.

中文翻译：

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生物炭在促进农业部门循环经济中的作用。第2部分：生物炭在生长介质，堆肥和土壤改良剂中的作用综述

在循环经济的框架内，生物炭在现代社会中用于多种农业和环境目的。这项研究的目的是回顾在农业部门使用生物炭作为生长介质，堆肥以及改善土壤理化特性以及作物产量的投入的研究的前沿知识。生物炭的使用有望替代泥炭和堆肥，因为它减少了氮的流失，加快了过程并提高了最终堆肥的质量。正确选择原料和优化热解条件是定制生物炭从而改善土壤特性和提高农作物产量的关键因素。对生物炭技术在农业领域中使用的潜在好处和缺陷进行了广泛的审查和彻底讨论。