Role of biochar in promoting circular economy in the agriculture sector. Part 1: A review of the biochar roles in soil N, P and K cycles

Chemical and Biological Technologies in Agriculture

卷:7

Keiji Jindo¹  Claudio Mondini²  Fábio Satoshi Higashikawa³  Carlos Alberto Silva⁴  Miguel Angel Sánchez-Monedero⁵  Giovanni Mastrolonardo⁶  Kinya Akashi⁷  Yuki Audette⁸ 

[1] Agrosystems Research, Wageningen University & Research;

[2] CREA Research Centre for Viticulture and Enology, Branch of Gorizia;

[3] Company of Agricultural Research and Rural Extension of Santa Catarina – Epagri, Agricultural Experiment Station of Ituporanga;

[4] Department of Soil Science, Federal University of Lavras;

[5] Department of Soil and Water Conservation and Organic Waste Management, CEBAS-CSIC;

[6] Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali, Università di Firenze;

[7] Graduate School of Agriculture Study, Tottori University;

[8] School of Environmental Sciences, University of Guelph;

关键词: Pyrogenic material;    Nutrient cycle;    Macro-nutrients;   

DOI  :  10.1186/s40538-020-00182-8

来源: DOAJ

【 摘 要 】

Abstract 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.

【 授权许可】

Unknown