Role of biochar in promoting circular economy in the agriculture sector. Part 2: A review of the biochar roles in growing media, composting and as soil amendment

Keiji Jindo*, Miguel Angel Sánchez-Monedero, Giovanni Mastrolonardo, Yuki Audette, Fábio Satoshi Higashikawa, Carlos Alberto Silva, Kinya Akashi, Claudio Mondini

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)

Abstract

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.[Figure not available: see fulltext.]

Original languageEnglish
Article number16
JournalChemical and Biological Technologies in Agriculture
Volume7
Issue number1
DOIs
Publication statusPublished - Dec 2020

Keywords

  • Cation exchange capacity
  • Crop yield
  • Microbial activity
  • N losses
  • Peat
  • Soil fertility
  • Soil properties

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