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Returning biochar to fields: A review
College of Resources and Environment, Huazhong Agricultural University.
School of Energy and Environment, City University of Hong Kong,Tat Chee Avenue, Kowloon, Hong Kong.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0002-0200-9960
School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology.
2017 (engelsk)Inngår i: Agriculture, Ecosystems & Environment. Applied Soil Ecology, ISSN 0929-1393, E-ISSN 1873-0272, Vol. 116, s. 1-11Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Biochar generated from thermochemical conversion of biomass reduces greenhouse gas emissions and is useful for improving ecological systems in agriculture. However, certain biochars function well in improving soil, and other biochars do not. Why? Because it is not clear how to prepare the best biochar for soil. There is a disconnect between biochar preparation and returning the biochar to the soil. To elucidate this relationship, this paper reviews (i) technologies for preparing biochar, (ii) how preparation conditions affect biochar properties, and (iii) the effects on soil physical and chemical properties. In addition to reducing greenhouse gas emissions, biochar improves the physicochemical and microbial properties of soil and absorbs poisonous and pernicious substances. Therefore, as biochar is produced by pyrolysis, optimizing processing conditions to improve its properties for agricultural use is a key issue explored in this article.

sted, utgiver, år, opplag, sider
Elsevier, 2017. Vol. 116, s. 1-11
HSV kategori
Forskningsprogram
Energiteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-62908DOI: 10.1016/j.apsoil.2017.03.017ISI: 000402492200001Scopus ID: 2-s2.0-85016816467OAI: oai:DiVA.org:ltu-62908DiVA, id: diva2:1087094
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Validerad; 2017; Nivå 2; 2017-04-05 (andbra)

Tilgjengelig fra: 2017-04-05 Laget: 2017-04-05 Sist oppdatert: 2018-09-13bibliografisk kontrollert

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