Chars produced by slow pyrolysis and hydrothermal carbonization vary in carbon sequestration potential and greenhouse gases emissions

Ambus, 2006, Sources of nitrous oxide emitted from European forest soils, Biogeosciences, 3, 135, 10.5194/bg-3-135-2006

Balesdent, 1996, Measurement of soil organic matter turnover using 13C natural abundance, 83

Brewer, 2009, Characterization of biochar from fast pyrolysis and gasification systems, Environmental Progress & Sustainable Energy, 28, 386, 10.1002/ep.10378

Brookers, 2007, Soil microbial biomass C, N, P, and S, 637

Brown, 2009, Biochar production technology, 127

Bruun, 2012, Effects of slow and fast pyrolysis biochar on soil C and N turnover dynamics, Soil Biology & Biochemistry, 46, 73, 10.1016/j.soilbio.2011.11.019

Busch, 2012, Simple biotoxicity tests for evaluation of carbonaceous soil additives: establishment and reproducibility of four test procedures, Journal of Environmental Quality, 41, 1023, 10.2134/jeq2011.0122

Cao, 2010, Chemical structures of swine-manure chars produced under different carbonization conditions investigated by advanced solid-state 13C nuclear magnetic resonance (NMR) spectroscopy, Energy & Fuels, 25, 388, 10.1021/ef101342v

Carletti, 2009, Soil humic compounds and microbial communities in six spruce forests as function of parent material, slope aspect and stand age, Plant & Soil, 315, 47, 10.1007/s11104-008-9732-z

Feng, 2012, Mechanisms of biochar decreasing methane emission from Chinese paddy soils, Soil Biology & Biochemistry, 46, 80, 10.1016/j.soilbio.2011.11.016

Forbes, 2006, Formation, transformation and transport of black carbon (charcoal) in terrestrial and aquatic ecosystems, Science of the Total Environment, 370, 190, 10.1016/j.scitotenv.2006.06.007

Fuertes, 2010, Chemical and structural properties of carbonaceous products obtained by pyrolysis and hydrothermal carbonisation of corn stover, Soil Research, 48, 618, 10.1071/SR10010

Funke, 2010, Hydrothermal carbonization of biomass: a summary and discussion of chemical mechanisms for process engineering, Biofuels, Bioproducts & Biorefining, 4, 160, 10.1002/bbb.198

Gleixner, 2009, Soil carbon accumulation in old growth forest, 231

Gleixner, 2002, Molecular dynamics of organic matter in a cultivated soil, Organic Geochemistry, 33, 357, 10.1016/S0146-6380(01)00166-8

Griffiths, 2011, The bacterial biogeography of British soils, Environmental Microbiology, 13, 1642, 10.1111/j.1462-2920.2011.02480.x

Grossman, 2010, Amazonian anthrosols support similar microbial communities that differ distinctly from those extant in adjacent, unmodified soils of the same mineralogy, Microbial Ecology, 60, 192, 10.1007/s00248-010-9689-3

Guckland, 2009, Controls of temporal and spatial variability of methane uptake in soils of a temperate deciduous forest with different abundance of European beech (Fagus sylvatica L.), Soil Biology & Biochemistry, 41, 1659, 10.1016/j.soilbio.2009.05.006

Hu, 2010, Engineering carbon materials from the hydrothermal carbonization process of biomass, Advanced Materials, 22, 813, 10.1002/adma.200902812

Iqbal, 2010, Microbial biomass, and dissolved organic carbon and nitrogen strongly affect soil respiration in different land uses: a case study at Three Gorges Reservoir Area, South China, Agriculture, Ecosystems & Environment, 137, 294, 10.1016/j.agee.2010.02.015

Jandl, 2013, Hydrothermal carbonization of biomass residues: mass spectrometric characterization for ecological effects in the soil–plant system, Journal of Environment Quality, 42, 199, 10.2134/jeq2012.0155

Jones, 2011, Short-term biochar-induced increase in soil CO2 release is both biotically and abiotically mediated, Soil Biology & Biochemistry, 43, 1723, 10.1016/j.soilbio.2011.04.018

Jordan, 2001, Technical report: MPI-BGC, Germany, 149

Kammann, 2012, Biochar and hydrochar effects on greenhouse gas (carbon dioxide, nitrous oxide, and methane) fluxes from soils, Journal of Environment Quality, 41, 1052, 10.2134/jeq2011.0132

Karsten, 2007, Extraction and characterization of dissolved organic matter, 617

Keith, 2011, Interactive priming of biochar and labile organic matter mineralization in a smectite-rich soil, Environmental Science & Technology, 45, 9611, 10.1021/es202186j

Kuzyakov, 2010, Priming effects: interactions between living and dead organic matter, Soil Biology & Biochemistry, 42, 1363, 10.1016/j.soilbio.2010.04.003

Lehmann, 2007, A handful of carbon, Nature, 447, 143, 10.1038/447143a

Liang, 2010, Black carbon affects the cycling of non-black carbon in soil, Organic Geochemistry, 41, 206, 10.1016/j.orggeochem.2009.09.007

Liang, 2008, Stability of biomass-derived black carbon in soils, Geochimica Et Cosmochimica Acta, 72, 6069, 10.1016/j.gca.2008.09.028

Liang, 2011, Effect of solution pH on the carbon microsphere synthesized by hydrothermal carbonization, Procedia Environmental Sciences, Part C, 11, 1322, 10.1016/j.proenv.2011.12.198

Libra, 2010, Hydrothermal carbonization of biomass residuals: a comparative review of the chemistry, processes and applications of wet and dry pyrolysis, Biofuels, 2, 71, 10.4155/bfs.10.81

Livingston, 2007, Soil water potential, 963

Luo, 2013, Microbial biomass growth, following incorporation of biochars produced at 350 °C or 700 °C, in a silty-clay loam soil of high and low pH, Soil Biology & Biochemistry, 57, 513, 10.1016/j.soilbio.2012.10.033

Major, 2010, Fate of soil-applied black carbon: downward migration, leaching and soil respiration, Global Change Biology, 16, 1366, 10.1111/j.1365-2486.2009.02044.x

Malik, 2012, Online stable isotope analysis of dissolved organic carbon size classes using size exclusion chromatography coupled to an isotope ratio mass spectrometer, Environmental Science & Technology, 46, 10123, 10.1021/es302467y

Mancinelli, 1995, The regulation of methane oxidation in soil, Annual Review of Microbiology, 49, 581, 10.1146/annurev.mi.49.100195.003053

Marschner, 2008, How relevant is recalcitrance for the stabilization of organic matter in soils?, Journal of Plant Nutrition & Soil Science, 171, 91, 10.1002/jpln.200700049

Meyer, 2011, Technical, economical, and climate-related aspects of biochar production technologies: a literature review, Environmental Science & Technology, 45, 9473, 10.1021/es201792c

Navarrete, 2010, A molecular survey of the diversity of microbial communities in different Amazonian agricultural model systems, Diversity, 2, 787, 10.3390/d2050787

Novak, 2010, Short-term CO2 mineralization after additions of biochar and switchgrass to a typic Kandiudult, Geoderma, 154, 281, 10.1016/j.geoderma.2009.10.014

O'Neill, 2009, Bacterial community composition in Brazilian anthrosols and adjacent soils characterized using culturing and molecular identification, Microbial Ecology, 58, 23, 10.1007/s00248-009-9515-y

Ogawa, 2010, Pioneering works in biochar research, Japan. Soil Research, 48, 489, 10.1071/SR10006

Peters, 2012, Rapid growth in CO2 emissions after the 2008–2009 global financial crisis, Nature Climate Change, 2, 2, 10.1038/nclimate1332

Qayyum, 2012, Kinetics of carbon mineralization of biochars compared with wheat straw in three soils, Journal of Environmental Quality, 41, 1210, 10.2134/jeq2011.0058

Rillig, 2010, Material derived from hydrothermal carbonization: effects on plant growth and arbuscular mycorrhiza, Applied Soil Ecology, 45, 238, 10.1016/j.apsoil.2010.04.011

Rogovska, 2012, Germination tests for assessing biochar quality, Journal of Environment Quality, 41, 1014, 10.2134/jeq2011.0103

Rondon, 2006, 138

Rothe, 2003, Trace gases, delta 13C and delta 18O of CO2 in air samples: storage in glass flasks using PCTFE seals and other effects, 161

Schimmelpfennig, 2012, One step forward toward characterization: some important material properties to distinguish biochars, Journal of Environment Quality, 41, 1001, 10.2134/jeq2011.0146

Schmidt, 2011, Persistence of soil organic matter as an ecosystem property, Nature, 478, 49, 10.1038/nature10386

Singh, 2010, Influence of biochars on nitrous oxide emission and nitrogen leaching from two contrasting soils, Journal of Environment Quality, 39, 1224, 10.2134/jeq2009.0138

Singh, 2010, The Role of Biochar in Reducing Nitrous Oxide Emissions and Nitrogen Leaching from Soil, 257

Sohi, 2010, A review of biochar and its use and function in soil, 47, 10.1016/S0065-2113(10)05002-9

Spokas, 2010, Review of the stability of biochar in soils: predictability of O:C molar ratios, Carbon Management, 1, 289, 10.4155/cmt.10.32

Spokas, 2009, Impacts of sixteen different biochars on soil greenhouse gas production, Annals of Environmental Science, 3, 179

Steinbeiss, 2008, Plant diversity positively affects short-term soil carbon storage in experimental grasslands, Global Change Biology, 14, 2937, 10.1111/j.1365-2486.2008.01697.x

Steinbeiss, 2009, Effect of biochar amendment on soil carbon balance and soil microbial activity, Soil Biology & Biochemistry, 41, 1301, 10.1016/j.soilbio.2009.03.016

Taghizadeh-Toosi, 2011, Biochar incorporation into pasture soil suppresses in situ nitrous oxide emissions from ruminant urine patches, Journal of Environment Quality, 40, 468, 10.2134/jeq2010.0419

Tefs, 2012, Importance of root derived carbon for soil organic matter storage in a temperate old-growth beech forest – evidence from C, N and 14C content, Forest Ecology and Management, 263, 131, 10.1016/j.foreco.2011.09.010

Thiessen, 2013, Both priming and temperature sensitivity of soil organic matter decomposition depend on microbial biomass – an incubation study, Soil Biology & Biochemistry, 57, 739, 10.1016/j.soilbio.2012.10.029

Thoms, 2010, Direct and indirect effects of tree diversity drive soil microbial diversity in temperate deciduous forest, Soil Biology & Biochemistry, 42, 1558, 10.1016/j.soilbio.2010.05.030

Titirici, 2008, Hydrothermal carbon from biomass: a comparison of the local structure from poly- to monosaccharides and pentoses/hexoses, Green Chemistry, 10, 10.1039/b807009a

Titirici, 2007, Back in the black: hydrothermal carbonization of plant material as an efficient chemical process to treat the CO2 problem?, New Journal of Chemistry, 31, 787, 10.1039/b616045j

Ueno, 2008, 4

van Zwieten, 2010, Influence of biochars on flux of N2O and CO2 from ferrosol, Soil Research, 48, 555, 10.1071/SR10004

Werner, 2001, Referencing strategies and techniques in stable isotope ratio analysis, Rapid Communications in Mass Spectrometry, 15, 501, 10.1002/rcm.258

Yoo, 2012, Effects of biochar addition on greenhouse gas emissions and microbial responses in a short-term laboratory experiment, Journal of Environment Quality, 41, 1193, 10.2134/jeq2011.0157

Yu, 2012, Effects of biochar application on soil methane emission at different soil moisture levels, Biology & Fertility of Soils, 1

Zhang, 2010, Effect of biochar amendment on yield and methane and nitrous oxide emissions from a rice paddy from Tai Lake plain, China, Agriculture, Ecosystems & Environment, 139, 469, 10.1016/j.agee.2010.09.003

Zimmerman, 2011, Positive and negative carbon mineralization priming effects among a variety of biochar-amended soils, Soil Biology & Biochemistry, 43, 1169, 10.1016/j.soilbio.2011.02.005