Biochar for Sustainable Soil Health: A Review of Prospects and Concerns

Akiyama, 2005, Plant sesquiterpenes induce hyphal branching in arbuscular mycorrhizal fungi, Nature, 435, 824, 10.1038/nature03608

Anderson, 2011, Biochar induced soil microbial community change: implications for biogeochemical cycling of carbon, nitrogen and phosphorus, Pedobiologia, 54, 309, 10.1016/j.pedobi.2011.07.005

Antonious, 2003, Impact of soil management and two botanical insecticides on urease and invertase activity, J Environ Sci Health B, 38, 479, 10.1081/PFC-120021667

Asai, 2009, Biochar amendment techniques for upland rice production in Northern Laos: 1. Soil physical properties, leaf SPAD and grain yield, Field Crop Res, 111, 81, 10.1016/j.fcr.2008.10.008

Atkinson, 2010, Potential mechanisms for achieving agricultural benefits from biochar application to temperate soils: a review, Plant Soil, 337, 1, 10.1007/s11104-010-0464-5

Awad, 2012, Effects of polyacrylamide, biopolymer, and biochar on decomposition of soil organic matter and plant residues as determined by 14C and enzyme activities, Eur J Soil Biol, 48, 1, 10.1016/j.ejsobi.2011.09.005

Bailey, 2011, Reconciling apparent variability in effects of biochar amendment on soil enzyme activities by assay optimization, Soil Biol Biochem, 43, 296, 10.1016/j.soilbio.2010.10.014

Bateman, 2005, Contributions of nitrification and denitrification to N2O emissions from soils at different water-filled pore space, Biol Fert Soils, 41, 379, 10.1007/s00374-005-0858-3

Beesley, 2010, Effects of biochar and green waste compost amendments on mobility, bioavailability and toxicity of inorganic and organic contaminants in a multi-element polluted soil, Environ Pollut, 158, 2282, 10.1016/j.envpol.2010.02.003

Blok, 1993, The role of autotoxins from root residues from the previous crop in the replant disease of asparagus, Neth J Plant Path, 99, 29, 10.1007/BF03041393

Brändli, 2008, Sorption of native polyaromatic hydrocarbons (PAH) to black carbon and amended activated carbon in soil, Chemosphere, 73, 1805, 10.1016/j.chemosphere.2008.08.034

Brewer, 2012, Extent of pyrolysis impacts on fast pyrolysis biochar properties, J Environ Qual, 41, 1115, 10.2134/jeq2011.0118

Brodowski, 2006, Aggregate-occluded black carbon in soil, Eur J Soil Sci, 57, 539, 10.1111/j.1365-2389.2006.00807.x

Bruun, 2011, Application of biochar to soil and N2O emissions: potential effects of blending fast-pyrolysis biochar with anaerobically digested slurry, Eur J Soil Sci, 62, 581, 10.1111/j.1365-2389.2011.01377.x

Bucket, 1998, Microbial and soil parameters in relation to N mineralization in soils of diverse genesis under differing management systems, Biol Fert Soils, 27, 430, 10.1007/s003740050454

Buss, 2012, Biochar reduces copper toxicity in Chenopodium quinoa Willd. in a sandy soil, J Environ Qual, 41, 1157, 10.2134/jeq2011.0022

Cao, 2010, Properties of dairy-manure-derived biochar pertinent to its potential use in remediation, Bioresource Technol, 101, 5222, 10.1016/j.biortech.2010.02.052

Case, 2012, The effect of biochar addition on N2O and CO2 emissions from a sandy loam soil—The role of soil aeration, Soil Biol Biochem, 51, 125, 10.1016/j.soilbio.2012.03.017

Cayuela, 2010, Nitrous oxide and carbon dioxide emissions during initial decomposition of animal by-products applied as fertilisers to soils, Geoderma, 157, 235, 10.1016/j.geoderma.2010.04.026

Chai, 2012, Effectiveness of activated carbon and biochar in reducing the availability of polychlorinated dibenzo-p-dioxins/dibenzofurans in soils, Environ Sci Technol, 46, 1035, 10.1021/es2029697

Chan, 2007, Agronomic values of greenwaste biochar as a soil amendment, Soil Res, 45, 629, 10.1071/SR07109

Chan, 2008, Using poultry litter biochars as soil amendments, Aust J Soil Res, 46, 437, 10.1071/SR08036

Chen, 2009, Sorption of naphthalene and 1-naphthol by biochars of orange peels with different pyrolytic temperatures, Chemosphere, 76, 127, 10.1016/j.chemosphere.2009.02.004

Chen, 2011, Effects of biochar amendment on cropland soil bulk density, cation exchange capacity, and particulate organic matter content in the North China plain, Chinese J Appl Ecol (in Chinese), 22, 2930

Chen, 2011, Enhanced sorption of polycyclic aromatic hydrocarbons by soil amended with biochar, J Soil Sediment, 11, 62, 10.1007/s11368-010-0266-7

Chen, 2009, Study on the toxic effects of diphenol compounds on soil microbial activity by a combination of methods, J Hazard Mater, 167, 846, 10.1016/j.jhazmat.2009.01.066

Chen, 2008, Transitional adsorption and partition of nonpolar and polar aromatic contaminants by biochars of pine needles with different pyrolytic temperatures, Environ Sci Technol, 42, 5137, 10.1021/es8002684

Cheng, 2008, Natural oxidation of black carbon in soils: Changes in molecular form and surface charge along a climosequence, Geochim Cosmochim Acta, 72, 1598, 10.1016/j.gca.2008.01.010

Chintala, 2013, Effect of biochars on chemical properties of acidic soil, Arch Agron Soil Sci, 60, 393, 10.1080/03650340.2013.789870

Chintala, 2013, Nitrate sorption and desorption by biochars produced from fast pyrolysis, Micropor Mesopor Mat, 179, 250, 10.1016/j.micromeso.2013.05.023

Chintala, 2014, Biochar impacts on denitrification under different soil water contents, World Cong Soil Sci, 6, 157

Chintala, 2014, Molecular characterization of biochar materials and their influence on microbiological properties of soil, J Hazard Mater, 279, 244, 10.1016/j.jhazmat.2014.06.074

Chintala, 2013, Phosphorus sorption and availability from biochars and soil biochar mixtures, Clean Soil Air Water, 41, 1

Clough, 2010, Biochar and the nitrogen cycle: introduction, J Environ Qual, 39, 1218, 10.2134/jeq2010.0204

Cornelissen, 2005, Extensive sorption of organic compounds to black carbon, coal, and kerogen in sediments and soils: mechanisms and consequences for distribution, bioaccumulation, and biodegradation, Environ Sci Technol, 39, 6881, 10.1021/es050191b

Cui, 2012, The reduction of wheat Cd uptake in contaminated soil via biochar amendment: A two-year field experiment, Bioresources, 7, 5666, 10.15376/biores.7.4.5666-5676

DeLuca, 2009, Biochar effects on soil nutrient transformations, 251

Dempster, 2012, Decreased soil microbial biomass and nitrogen mineralisation with eucalyptus biochar addition to a coarse textured soil, Plant Soil, 354, 311, 10.1007/s11104-011-1067-5

Dempster, 2012, Clay and biochar amendments decreased inorganic but not dissolved organic nitrogen leaching in soil, Soil Res, 50, 216, 10.1071/SR11316

Devare, 2007, Neither transgenic Bt maize (MON863) nor tefluthrin insecticide adversely affect soil microbial activity or biomass: A 3-year field analysis, Soil Biol Biochem, 39, 2038, 10.1016/j.soilbio.2007.03.004

Dick, 1994, Soil enzyme activities as indicators of soil quality, 107

Doerr, 2000, Soil water repellency: its causes, characteristics and hydro-geomorphological significance, Earth-Sci Rev, 51, 33, 10.1016/S0012-8252(00)00011-8

Elad, 2011, The biochar effect: plant resistance to biotic stresses, Phytopathol Mediterr, 50, 335

Elad, 2010, Induction of systemic resistance in plants by biochar, a soil-applied carbon sequestering agent, Phytopathology, 100, 913, 10.1094/PHYTO-100-9-0913

Elmer, 2002, Influence of formononetin and NaCl on mycorrhizal colonization and Fusarium crown and root rot of asparagus, Plant Dis, 86, 1318, 10.1094/PDIS.2002.86.12.1318

Elmer, 2011, Effect of biochar amendments on mycorrhizal associations and Fusarium crown and root rot of asparagus in replant soils, Plant Dis, 95, 960, 10.1094/PDIS-10-10-0741

Enriqueta-Arias, 2005, Soil health—a new challenge for microbiologists and chemists, Int Microbiol, 8, 13

Fellet, 2011, Application of biochar on mine tailings: effects and perspectives for land reclamation, Chemosphere, 83, 1262, 10.1016/j.chemosphere.2011.03.053

Figueiredo, 1999, Alleviation of water stress effects in cowpea by Bradyrhizo-bium spp. inoculation, Plant Soil, 207, 67, 10.1023/A:1004403918379

Frankenberger, 1991, l-glutaminase activity of soils, Soil Biol Biochem, 23, 869, 10.1016/0038-0717(91)90099-6

Gans, 2005, Computational improvements reveal great bacterial diversity and high metal toxicity in soil, Science, 309, 1387, 10.1126/science.1112665

Garcia-Montiel, 2000, Soil phosphorus transformations following forest clearing for pasture in the Brazilian Amazon, Soil Sci Soc Am J, 64, 1792, 10.2136/sssaj2000.6451792x

Gell, 2011, Residues of bioenergy production chains as soil amendments: immediate and temporal phytotoxicity, J Hazard Mater, 186, 2017, 10.1016/j.jhazmat.2010.12.105

German, 2011, Optimization of hydrolytic and oxidative enzyme methods for ecosystem studies, Soil Biol Biochem, 43, 1387, 10.1016/j.soilbio.2011.03.017

Gomez, 2014, Biochar addition rate influences soil microbial abundance and activity in temperate soils, Eur J Soil Sci, 65, 28, 10.1111/ejss.12097

Gomez-Eyles, 2011, Effects of biochar and the earthworm Eisenia fetida on the bioavailability of polycyclic aromatic hydrocarbons and potentially toxic elements, Environ Pollut, 159, 616, 10.1016/j.envpol.2010.09.037

Graber, 2010, Biochar impact on development and productivity of pepper and tomato grown in fertigated soilless media, Plant Soil, 337, 481, 10.1007/s11104-010-0544-6

Granatstein, 2009

Hammes, 2009, Changes of biochar in soil, 169

Harder, 2006, Smoldered-Earth policy: Created by ancient amazonian natives, fertile, dark soils retain abundant carbon, Sci News, 169, 133, 10.2307/3982299

Harel, 2012, Biochar mediates systemic response of strawberry to foliar fungal pathogens, Plant Soil, 357, 245, 10.1007/s11104-012-1129-3

Hartung, 1990, Isolation and characterization of phytotoxic compounds from asparagus (Asparagus officinalis L.) roots, J Chem Ecol, 16, 1707, 10.1007/BF01014102

Hass, 2012, Chicken manure biochar as liming and nutrient source for acid Appalachian soil, J Environ Qual, 41, 1096, 10.2134/jeq2011.0124

Houben, 2013, Mobility, bioavailability and pH-dependent leaching of cadmium, zinc and lead in a contaminated soil amended with biochar, Chemosphere, 92, 1450, 10.1016/j.chemosphere.2013.03.055

Hunt, 2007, Inhibition of phosphorus sorption to goethite, gibbsite, and kaolin by fresh and decomposed organic matter, Biol Fert Soils, 44, 277, 10.1007/s00374-007-0202-1

IPCC, 1996

Ippolito, 2012, Switchgrass biochar affects two aridisols, J Environ Qual, 41, 1123, 10.2134/jeq2011.0100

Ishii, 1994, Effects of charcoal as a soil conditioner on citrus growth and vesicular-arbuscular mycorrhizal development, J Jpn Soc Hortic Sci, 63, 529, 10.2503/jjshs.63.529

Jaafar, 2014, Microscopy observations of habitable space in biochar for colonisation by fungal hyphae from soil, J Integr Agr, 13, 483, 10.1016/S2095-3119(13)60703-0

Jain, 2002, Plant flavonoids: signals to legume nodulation and soil microorganisms, J Plant Biochem Biotechnol, 11, 1, 10.1007/BF03263127

Jeffery, 2011, A quantitative review of the effects of biochar application to soils on crop productivity using meta-analysis, Agr Ecosyst Environ, 144, 175, 10.1016/j.agee.2011.08.015

Jiang, 2012, Adsorption of Pb(II) on variable charge soils amended with rice-straw derived biochar, Chemosphere, 89, 249, 10.1016/j.chemosphere.2012.04.028

Jiang, 2012, Immobilization of Cu(II), Pb(II) and Cd(II) by the addition of rice straw derived biochar to a simulated polluted Ultisol, J Hazard Mater, 229–230, 145, 10.1016/j.jhazmat.2012.05.086

Jin H Y. 2010. Characterization of microbial life colonizing biochar and biochar-amended soils. Ph.D. Dissertation, Cornell University.

Jones, 2011, Biochar mediated alterations in herbicide breakdown and leaching in soil, Soil Biol Biochem, 43, 804, 10.1016/j.soilbio.2010.12.015

Jones, 2010, Effect of amendment of bauxite processing sand with organic materials on its chemical, physical and microbial properties, J Environ Manage, 91, 2281, 10.1016/j.jenvman.2010.06.013

Jones, 2012, Biochar-mediated changes in soil quality and plant growth in a three year field trial, Soil Biol Biochem, 45, 113, 10.1016/j.soilbio.2011.10.012

Joseph, 2009, Developing biochar classification and test methods, 107

Kameyama, 2014, Influence of biochar incorporation on TDR-based soil water content measurements, Eur J Soil Sci, 65, 105, 10.1111/ejss.12083

Kameyama, 2012, Influence of sugarcane bagasse-derived biochar application on nitrate leaching in calcaric dark red soil, J Environ Qual, 41, 1131, 10.2134/jeq2010.0453

Kammann, 2011, Influence of biochar on drought tolerance of Chenopodium quinoa Willd and on soil-plant relations, Plant Soil, 345, 195, 10.1007/s11104-011-0771-5

Kasozi, 2010, Catechol and humic acid sorption onto a range of laboratory-produced black carbons (biochars), Environ Sci Technol, 44, 6189, 10.1021/es1014423

Kim, 2003, Effects of forest fire on the level and distribution of PCDD/Fs and PAHs in soil, Sci Total Environ, 311, 177, 10.1016/S0048-9697(03)00095-0

Kim, 2007, Bacterial diversity of terra preta and pristine forest soil from the Western Amazon, Soil Biol Biochem, 39, 684, 10.1016/j.soilbio.2006.08.010

Knowles, 2011, Biochar for the mitigation of nitrate leaching from soil amended with biosolids, Sci Total Environ, 409, 3206, 10.1016/j.scitotenv.2011.05.011

Kolb, 2009, Effect of charcoal quantity on microbial biomass and activity in temperate soils, Soil Sci Soc Am J, 73, 1173, 10.2136/sssaj2008.0232

Kookana, 2010, The role of biochar in modifying the environmental fate, bioavailability, and efficacy of pesticides in soils: a review, Soil Res, 48, 627, 10.1071/SR10007

Krull, 2008, The global extent of black C in soils: is it everywhere?, 13

Krull, 2010, Preface to special issue: proceedings from the 1st Asia-Pacific Biochar Conference, 2009, Gold Coast, Australia, Aust J Soil Res, 48, i, 10.1071/SRv48n7_PR

Kumar, 2014, Long-term tillage and drainage influences on soil organic carbon dynamics, aggregate stability, and carbon yield, Soil Sci Plant Nutr, 60, 108, 10.1080/00380768.2013.878643

Laird, 2008, The charcoal vision: a win-win-win scenario for simultaneously producing bioenergy, permanently sequestering carbon, while improving soil and water quality, Agron J, 100, 178, 10.2134/agronj2007.0161

Laird, 2010, Impact of biochar amendments on the quality of a typical midwestern agricultural soil, Geoderma, 158, 443, 10.1016/j.geoderma.2010.05.013

Laird, 2010, Biochar impact on nutrient leaching from a Midwestern agricultural soil, Geoderma, 158, 436, 10.1016/j.geoderma.2010.05.012

Lazarus, 2009, Super wicked problems and climate change: restraining the present to liberate the future, Cornell Law Rev, 94, 1153

Lee, 2009, Managing the interlocking climate and resource challenges, Int Aff, 85, 1101, 10.1111/j.1468-2346.2009.00851.x

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

Lehmann, 2003, Nutrient availability and leaching in an archaeological Anthrosol and a Ferralsol of the Central Amazon basin: Fertilizer, manure and charcoal amendments, Plant Soil, 249, 343, 10.1023/A:1022833116184

Lehmann, 2006, Bio-char sequestration in terrestrial ecosystems—a review, Mitig Adapt Strat Glob Chang, 11, 403, 10.1007/s11027-005-9006-5

Lehmann, 2009, Biochar for environmental management: an introduction, 1

Lehmann, 2011, Biochar effects on soil biota—A review, Soil Biol Biochem, 43, 1812, 10.1016/j.soilbio.2011.04.022

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

Liang, 2006, Black carbon increases cation exchange capacity in soils, Soil Sci Soc Am J, 70, 1719, 10.2136/sssaj2005.0383

Liu, 2012, Can biochar amendment be an ecological engineering technology to depress N2O emission in rice paddies?—A cross site field experiment from south China, Ecol Eng, 42, 168, 10.1016/j.ecoleng.2012.01.016

Mahmood, 2003, Effects of hardened wood ash on microbial activity, plant growth and nutrient uptake by ectomycorrhizal spruce seedlings, FEMS Microbiol Ecol, 43, 121, 10.1111/j.1574-6941.2003.tb01051.x

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

Mankasingh, 2011, Biochar application in a tropical, agricultural region: A plot scale study in Tamil Nadu, India, Appl Geochem, 26, S218, 10.1016/j.apgeochem.2011.03.108

Manyà, 2012, Pyrolysis for biochar purposes: A review to establish current knowledge gaps and research needs, Environ Sci Technol, 46, 7939, 10.1021/es301029g

Marris, 2006, Putting the carbon back: Black is the new green, Nature, 442, 624, 10.1038/442624a

Martin, 2012, Marked changes in herbicide sorption-desorption upon ageing of biochars in soil, J Hazard Mater, 231–232, 70, 10.1016/j.jhazmat.2012.06.040

Martin, 2001, Comparison of soil infiltration rates in burned and unburned mountainous watersheds, Hydrol Proc, 15, 2893, 10.1002/hyp.380

Masscheleyn, 1991, Effect of redox potential and pH on arsenic speciation and solubility in a contaminated soil, Environ Sci Technol, 25, 1414, 10.1021/es00020a008

Matsubara, 1995, Effect of inoculation density on vesicular-arbuscular mycorrhizal fungal spores and addition of carbonized material to bed soil on growth of Welsh onion seedlings, J Jpn Soc Hortic Sci, 64, 549, 10.2503/jjshs.64.549

Mench, 2010, Successes and limitations of phytotechnologies at field scale: outcomes, assessment and outlook from COST action 859, J Soil Sediment, 10, 1039, 10.1007/s11368-010-0190-x

Méndez, 2014, Biochar from pyrolysis of deinking paper sludge and its use in the treatment of a nickel polluted soil, J Anal Appl Pyrol, 107, 46, 10.1016/j.jaap.2014.02.001

Mia, 2014, Biochar application rate affects biological nitrogen fixation in red clover conditional on potassium availability, Agr Ecosyst Environ, 191, 83, 10.1016/j.agee.2014.03.011

Mizuta, 2004, Removal of nitrate-nitrogen from drinking water using bamboo powder charcoal, Bioresource Technol, 95, 255, 10.1016/j.biortech.2004.02.015

Mukherjee, 2013, Biochar impacts on soil physical properties and greenhouse gas emissions, Agronomy, 3, 313, 10.3390/agronomy3020313

Mukherjee, 2011, Surface chemistry variations among a series of laboratory-produced biochars, Geoderma, 163, 247, 10.1016/j.geoderma.2011.04.021

Nag, 2011, Poor efficacy of herbicides in biochar-amended soils affected by their chemistry and mode of action, Chemosphere, 84, 1572, 10.1016/j.chemosphere.2011.05.052

Namgay, 2010, Influence of biochar application to soil on the availability of As, Cd, Cu, Pb, and Zn to maize (Zea mays L.), Soil Res, 48, 638, 10.1071/SR10049

Nelissen, 2012, Maize biochars accelerate short-term soil nitrogen dynamics in a loamy sand soil, Soil Biol Biochem, 55, 20, 10.1016/j.soilbio.2012.05.019

Nelson, 2011, Nitrogen and phosphorus availability in biochar-amended soils, Soil Science, 176, 218, 10.1097/SS.0b013e3182171eac

Nishio, 1996

Novak, 2009, Impact of biochar amendment on fertility of a Southeastern Coastal Plain soil, Soil Sci, 174, 105, 10.1097/SS.0b013e3181981d9a

Novick, 2005, Immobilization of enzymes by covalent attachment, Vol. 17, 247

O'Neill, 2009, iBacterial community composition in Brazilian Anthrosols and adjacent soils characterized using culturing and molecular identification, Microb Ecol, 58, 23, 10.1007/s00248-009-9515-y

Ogawa, 2010, Pioneering works in biochar research, Japan, Aust Soil Res, 48, 489, 10.1071/SR10006

Park, 2013, Comparative sorption of Pb and Cd by biochars and its implication for metal immobilization in soil, Water Air Soil Poll, 224, 1711, 10.1007/s11270-013-1711-1

Parvage, 2013, Phosphorus availability in soils amended with wheat residue char, Biol Fert Soils, 49, 245, 10.1007/s00374-012-0746-6

Paustian, 1997, Agricultural soils as a sink to mitigate CO2 emissions, Soil Use Manage, 13, 230, 10.1111/j.1475-2743.1997.tb00594.x

Paz-Ferreiro, 2013, Biological indices for soil quality evaluation: perspectives and limitations, Land Degrad Develop

Paz-Ferreiro, 2012, Soil biochemical activities and the geometric mean of enzyme activities after application of sewage sludge and sewage sludge biochar to soil, Biol Fert Soils, 48, 511, 10.1007/s00374-011-0644-3

Peng, 2011, Temperature and duration-dependent rice straw-derived biochar: characteristics and its effects on soil properties of an Ultisol in southern China, Soil Till Res, 112, 159, 10.1016/j.still.2011.01.002

Pietikäinen, 2000, Charcoal as a habitat for microbes and its effect on the microbial community of the underlying humus, Oikos, 89, 231, 10.1034/j.1600-0706.2000.890203.x

Ponge, 2006, Ingestion of charcoal by the Amazonian earthworm Pontoscolex corethrurus: A potential for tropical soil fertility, Soil Biol Biochem, 38, 2008, 10.1016/j.soilbio.2005.12.024

Quilliam, 2013, Life in the ‘charosphere’—Does biochar in agricultural soil provide a significant habitat for microorganisms?, Soil Biol Biochem, 65, 287, 10.1016/j.soilbio.2013.06.004

Rajesh, 2003, Production and evaluation of composts and vermincomposts from solid organic wastes, Asian J Microb Biotechnol Environ Sci, 5, 307

Ravi Sangakkara, 1996, Soil moisture and potassium affect the performance of symbiotic nitrogen fixation in faba bean and common bean, Plant Soil, 184, 123, 10.1007/BF00029282

Renner, 2007, Rethinking biochar, Environ Sci Technol, 41, 5932, 10.1021/es0726097

Revell, 2012, Field trials with poultry litter biochar and its effect on forages, green peppers, and soil properties, Soil Sci, 177, 573, 10.1097/SS.0b013e3182741050

Rhodes, 2010, Impact of activated charcoal on the mineralisation of 14C-phenanthrene in soils, Chemosphere, 79, 463, 10.1016/j.chemosphere.2010.01.032

Rogovska, 2011, Impact of biochar on manure carbon stabilization and greenhouse gas emissions, Soil Sci Soc Am J, 75, 871, 10.2136/sssaj2010.0270

Ron, 2001, Natural roles of biosurfactants, Environ Microbiol, 3, 229, 10.1046/j.1462-2920.2001.00190.x

Rondon, 2007, Biological nitrogen fixation by common beans (Phaseolus vulgaris L.) increases with bio-char additions, Biol Fert Soils, 43, 699, 10.1007/s00374-006-0152-z

Rondon, 2005, Charcoal additions reduce net emissions of greenhouse gases to the atmosphere, 208

Schomberg, 2012, Influence of biochar on nitrogen fractions in a coastal plain soil, J Environ Qual, 41, 1087, 10.2134/jeq2011.0133

Serraj, 1998, Effects of salt stress on nitrogen fixation, oxygen diffusion, and ion distribution in soybean, common bean, and alfalfa, J Plant Nutr, 21, 475, 10.1080/01904169809365418

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

Skjemstad, 2002, Charcoal carbon in U.S. agricultural soils, Soil Sci Soc Am J, 66, 1249, 10.2136/sssaj2002.1249

Smith, 2010, The effect of young biochar on soil respiration, Soil Biol Biochem, 42, 2345, 10.1016/j.soilbio.2010.09.013

Sohi, 2010, A review of biochar and its use and function in soil, Adv Agron, 105, 47, 10.1016/S0065-2113(10)05002-9

Sohi, 2009

Solaiman, 2010, Direct and residual effect of biochar application on mycorrhizal root colonisation, growth and nutrition of wheat, Soil Res, 48, 546, 10.1071/SR10002

Spokas, 2010, Ethylene: potential key for biochar amendment impacts, Plant Soil, 333, 443, 10.1007/s11104-010-0359-5

Spokas, 2012, Biochar: a synthesis of its agronomic impact beyond carbon sequestration, J Environ Qual, 41, 973, 10.2134/jeq2011.0069

Spokas, 2009, Impacts of woodchip biochar additions on greenhouse gas production and sorption/degradation of two herbicides in a Minnesota soil, Chemosphere, 77, 574, 10.1016/j.chemosphere.2009.06.053

Spokas, 2009, Impacts of sixteen different biochars on soil greenhouse gas production, Ann Environ Sci, 3, 179

Steiner, 2008, Charcoal and smoke extract stimulate the soil microbial community in a highly weathered xanthic Ferralsol, Pedobiologia, 51, 359, 10.1016/j.pedobi.2007.08.002

Steiner, 2010, Reducing nitrogen losses during poultry litter composting using biochar, J Environ Qual, 39, 1236, 10.2134/jeq2009.0337

Steiner, 2008, Nitrogen retention and plant uptake on a highly weathered central Amazonian Ferralsol amended with compost and charcoal, J Plant Nutr Soil Sci, 171, 893, 10.1002/jpln.200625199

Steiner, 2007, Long term effects of manure, charcoal, and mineral fertilization on crop production and fertility on a highly weathered Central Amazonian upland soil, Plant Soil, 291, 275, 10.1007/s11104-007-9193-9

Steiner, 2004, Microbial response to charcoal amendments of highly weathered soils and Amazonian Dark Earths in Central Amazonia—preliminary results, 195

Stevenson, 1999

Taghizadeh-Toosi, 2011, Biochar incorporation into pasture soil suppresses in situ nitrous oxide emissions from ruminant urine patches, J Environ Qual, 40, 468, 10.2134/jeq2010.0419

Tagoe, 2008, Effects of carbonized and dried chicken manures on the growth, yield, and N content of soybean, Plant Soil, 306, 211, 10.1007/s11104-008-9573-9

Tang, 2013, Characteristics of biochar and its application in remediation of contaminated soil, J Biosci Bioeng, 116, 653, 10.1016/j.jbiosc.2013.05.035

Thies, 2009, Characteristics of biochar: biological properties, 85

Topoliantz, 2003, Burrowing activity of the geophagous earthworm Pontoscolex corethrurus (Oligochaeta: Glossoscolecidae) in the presence of charcoal, Appl Soil Ecol, 23, 267, 10.1016/S0929-1393(03)00063-5

Topoliantz, 2005, Charcoal consumption and casting activity by Pontoscolex corethrurus (Glossoscolecidae), Appl Soil Ecol, 28, 217, 10.1016/j.apsoil.2004.08.003

Tsechansky, 2014, Methodological limitations to determining acidic groups at biochar surfaces via the Boehm titration, Carbon, 66, 730, 10.1016/j.carbon.2013.09.044

Uchimiya, 2012, Sorption of triazine and organophosphorus pesticides on soil and biochar, J Agr Food Chem, 60, 2989, 10.1021/jf205110g

Uzoma, 2011, Influence of biochar application on sandy soil hydraulic properties and nutrient retention, J Food Agr Environ, 9, 1137

Vallad, 2004, Systemic acquired resistance and induced systemic resistance in conventional agriculture, Crop Sci, 44, 1920, 10.2135/cropsci2004.1920

Van Zwieten, 2010, Effects of biochar from slow pyrolysis of papermill waste on agronomic performance and soil fertility, Plant Soil, 327, 235, 10.1007/s11104-009-0050-x

Van Zwieten, 2010, Influence of biochars on flux of N2O and CO2 from ferrosol, Aust J Soil Res, 48, 555, 10.1071/SR10004

Ventura, 2013, Biochar reduces short-term nitrate leaching from a horizon in an apple orchard, J Environ Qual, 42, 76, 10.2134/jeq2012.0250

Verheijen, 2009

Wallenstein, 2008, Emerging tools for measuring and modeling the in situ activity of soil extracellular enzymes, Soil Biol Biochem, 40, 2098, 10.1016/j.soilbio.2008.01.024

Wardle, 1998, The charcoal effect in Boreal forests: mechanisms and ecological consequences, Oecologia, 115, 419, 10.1007/s004420050536

Warnock, 2007, Mycorrhizal responses to biochar in soil—concepts and mechanisms, Plant Soil, 300, 9, 10.1007/s11104-007-9391-5

Weyers, 2009

Woomer, 1990, Overcoming the inflexibility of most-probable-number procedures, Agron J, 82, 349, 10.2134/agronj1990.00021962008200020035x

Xu, 2014, Biochar had effects on phosphorus sorption and desorption in three soils with differing acidity, Ecol Eng, 62, 54, 10.1016/j.ecoleng.2013.10.027

Yanai, 2007, Effects of charcoal addition on N2O emissions from soil resulting from rewetting air-dried soil in short-term laboratory experiments, Soil Sci Plant Nutr, 53, 181, 10.1111/j.1747-0765.2007.00123.x

Yao, 2012, Adsorption of sulfamethoxazole on biochar and its impact on reclaimed water irrigation, J Hazard Mater, 209–210, 408, 10.1016/j.jhazmat.2012.01.046

Yao, 2012, Effect of biochar amendment on sorption and leaching of nitrate, ammonium, and phosphate in a sandy soil, Chemosphere, 89, 1467, 10.1016/j.chemosphere.2012.06.002

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

Young, 2004, Interactions and self-organization in the soil-microbe complex, Science, 304, 1634, 10.1126/science.1097394

Yu, 2009, Reduced plant uptake of pesticides with biochar additions to soil, Chemosphere, 76, 665, 10.1016/j.chemosphere.2009.04.001

Yuan, 2011, Amendment of acid soils with crop residues and biochars, Pedosphere, 21, 302, 10.1016/S1002-0160(11)60130-6

Zhang, 2013, Soil nematode response to biochar addition in a Chinese wheat field, Pedosphere, 23, 98, 10.1016/S1002-0160(12)60084-8

Zhang, 2010, Effect of Pinus radiata derived biochars on soil sorption and desorption of phenanthrene, Environ Pollut, 158, 2821, 10.1016/j.envpol.2010.06.025

Zhou, 2010, Sorptive domains of pine chars as probed by benzene and nitrobenzene, Environ Pollut, 158, 201, 10.1016/j.envpol.2009.07.020

Zhu, 2005, Characterization of aromatic compound sorptive interactions with black carbon (charcoal) assisted by graphite as a model, Environ Sci Technol, 39, 2033, 10.1021/es0491376

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

Zimmermann, 2012, Rapid degradation of pyrogenic carbon, Glob Change Biol, 18, 3306, 10.1111/j.1365-2486.2012.02796.x