Biochars in soils: towards the required level of scientific understanding

Priit Tammeorg 1 Ana Catarina Bastos 2 Simon Jeffery 3 Frédéric Rees 4 Jürgen Kern 5 Ellen R. Graber 6 Maurizio Ventura 7 Mark Kibblewhite 8 António Amaro 2 Alice Budai 9 Cláudia M. D. S. Cordovil 10 Xavier Domene 11 Ciro Gardi 12 Gabriel Gascó 13 Ján Horák 14 Claudia Kammann 15 Elena Kondrlova 14 David Laird 16 Susana Loureiro 2 Martinho A. S. Martins 2 Pietro Panzacchi 7 Munoo Prasad 17 Marija Prodana 2 Aline Peregrina Puga 18 Greet Ruysschaert 19 Lidia Sas-Paszt 20 Flávio C. Silva 2 Wenceslau Geraldes Teixeira 21 Giustino Tonon 7 Gemini Delle Vedove 22 Costanza Zavalloni 23 Bruno Glaser 24 Frank G. A. Verheijen 2
Abstract : Key priorities in biochar research for future guidance of sustainable policy development have been identified by expert assessment within the COST Action TD1107. The current level of scientific understanding (LOSU) regarding the consequences of biochar application to soil were explored. Five broad thematic areas of biochar research were addressed: soil biodiversity and ecotoxicology, soil organic matter and greenhouse gas (GHG) emissions, soil physical properties, nutrient cycles and crop production, and soil remediation. The highest future research priorities regarding biochar's effects in soils were: functional redundancy within soil microbial communities, bioavailability of biochar's contaminants to soil biota, soil organic matter stability, GHG emissions, soil formation, soil hydrology, nutrient cycling due to microbial priming as well as altered rhizosphere ecology, and soil pH buffering capacity. Methodological and other constraints to achieve the required LOSU are discussed and options for efficient progress of biochar research and sustainable application to soil are presented.
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Journal of Environmental Engineering and Landscape Management, Vilnius Gediminas Technical University Press; Taylor & Francis, 2017, 25 (2), pp.192-207. 〈10.3846/16486897.2016.1239582〉
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Priit Tammeorg, Ana Catarina Bastos, Simon Jeffery, Frédéric Rees, Jürgen Kern, et al.. Biochars in soils: towards the required level of scientific understanding. Journal of Environmental Engineering and Landscape Management, Vilnius Gediminas Technical University Press; Taylor & Francis, 2017, 25 (2), pp.192-207. 〈10.3846/16486897.2016.1239582〉. 〈hal-01611435〉

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