Journal
CHEMICAL AND BIOLOGICAL TECHNOLOGIES IN AGRICULTURE
Volume 7, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1186/s40538-020-00182-8
Keywords
Pyrogenic material; Nutrient cycle; Macro-nutrients
Categories
Funding
- Brazilian National Council for Scientific and Technological Development (CNPq) [403912/2016-4, 303899/2015-8]
- Project Marginal Region Agriculture of the Arid Land Research Center, Tottori University
- IPDRE Program, Tottori University
- Spanish Ministry of Science, Innovation and Universities [RTI2018-099417-B-I00]
- FEDER funds
- Arid Land Research Center, Tottori University
- [3710473400-1]
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Recently, biochar has been widely used for versatile applications in agriculture and environment sectors as an effective tool to minimise waste and to increase the efficiency of circular economy. In the present work, we review the current knowledge about biochar role in N, P and K cycles. Ammonia volatilisation and N2O emission can be reduced by biochar addition. The content of available P can be improved by biochar through enhancement of solubilisation and reduction in P fixation on soil mineral, whilst high extractable K in biochar contributes to K cycle in soil. Liming effect and high CEC are important properties of biochars improving beneficial interactions with N, P and K soil cycle processes. The effectiveness of biochar on N, P and K cycles is associated with biochar properties which are mainly affected by feedstock type and pyrolysis condition.
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