Biochar, hydrochar and uncarbonized feedstock application to permanent grassland-Effects on greenhouse gas emissions and plant growth

Agriculture, Ecosystems and Environment

Volumn 191, Issue , 2014, Pages 39-52

  Schimmelpfennig, Sonja ^a   Müller, Christoph ^a,c   Grünhage, Ludger ^a   Koch, Christian ^b   Kammann, Claudia ^a  

^a JUSTUS LIEBIG UNIVERSITY   (Germany)

^b UNIVERSITY OF APPLIED SCIENCES   (Germany)

^c UNIVERSITY COLLEGE DUBLIN   (Ireland)

Author keywords

Biochar; GHG emissions; Grassland; Hydrochar; Miscanthus giganteus; NH3 emissions

Indexed keywords

BIOFERTILIZER; CARBON SEQUESTRATION; CHARCOAL; CLIMATE CHANGE; COMMUNITY COMPOSITION; EMISSION CONTROL; FERTILIZER APPLICATION; GRASS; GRASSLAND; GREENHOUSE GAS; GROWTH RATE; LABORATORY METHOD; OXIDATION; PIG; SLURRY; SOIL CARBON;

LOLIUM PERENNE; MISCANTHUS X GIGANTEUS; POACEAE; SUIDAE;

EID: 85027922651     PISSN: 01678809     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.agee.2014.03.027     Document Type: Article

References (124)

1. Aguilar-Chávez Á., Díaz-Rojas M., Cárdenas-Aquino M.d.R., Dendooven L., Luna-Guido M. Greenhouse gas emissions from a wastewater sludge-amended soil cultivated with wheat (Triticum spp. L.) as affected by different application rates of charcoal. Soil Biol. Biochem. 2012, 52:90-95.
2. Allen A., Jarvis S., Headon D. Nitrous oxide emissions from soils due to inputs of nitrogen from excreta return by livestock on grazed grassland in the UK. Soil Biol. Biochem. 1996, 28:597-607.
3. Alvum-Toll K., Karlsson T., Ström H. Biochar as Soil Amendment 2011, 74. Department of Soil and Environment, Swedish University of Agricultural Sciences, Uppsala.
4. Amaral J.A., Ren T., Knowles R. Atmospheric methane consumption by forest soils and extracted bacteria at different pH values. Appl. Environ. Microbiol. 1998, 64:2397-2402.
5. Amberger A., Vilsmeier K., Gutser R. Stickstofffraktionen verschiedener Güllen und deren Wirkung im Pflanzenversuch. Z. Pflanzenernahr. Bodenkd. 1982, 145:325-336.
6. 2O emissions and microbial properties of biochar amended sandy loam soils. Soil Biol. Biochem. 2013, 57:401-410.
7. Amon B., Kryvoruchko V., Amon T., Zechmeister-Boltenstern S. Methane, nitrous oxide and ammonia emissions during storage and after application of dairy cattle slurry and influence of slurry treatment. Agric. Ecosyst. Environ. 2006, 112:153-162.
8. Augustenborg C.A., Hepp S., Kammann C., Hagan D., Schmidt O., Müller C. Biochar and earthworm effects on soil nitrous oxide and carbon dioxide emissions. J. Environ. Qual. 2012, 41:1203-1209.
9. Ball P.R., Keeney D. Nitrogen losses from urine-affected areas of a New Zealand pasture under contrasting seasonal conditions. Proceedings of the International Grassland Congress 1981, 342-344.
10. Bargmann I., Greef J.M., Kücke M. Keimung, wachstum und nährstoffdynamik in boden und pflanze nach dem einbringen von biokohlen aus hydrothermaler carbonierung (hydrochar) und pyrolyse (biochar). Kommissionen IV und VI der Deutschen Bodenkundlichen Gesellschaft 2012, 60. Gesellschaft für Pflanzenbauwissenschaften.
11. Bargmann I., Rillig M.C., Kruse A., Greef J.M., Kücke M. Effects of hydrochar application on the dynamics of soluble nitrogen in soils and on plant availability. J. Plant Nutr. Soil Sci. 2013, 177:48-58.
12. Barnett V., Lewis T. Outliers in statistical data. 1994, Wiley, New York. 3 edn.
13. Beauchamp E., Trevors J., Paul J. Carbon sources for bacterial denitrification. Advances in Soil Science 1989, 113-142. Springer, New York.
14. Beck D.A., Johnson G.R., Spolek G.A. Amending greenroof soil with biochar to affect runoff water quantity and quality. Environ. Pollut. 2011, 159:2111-2118.
15. Becker R., Dorgerloh U., Helmis M., Mumme J., Diakité M., Nehls I. Hydrothermally carbonized plant materials: Patterns of volatile organic compounds detected by gas chromatography. Bioresour. Technol. 2013, 130:621-628.
16. +, and CO oxidation by methanotrophs and nitrifiers. Microbiol. Rev. 1989, 53:68-84.
17. Bell M., Worrall F. Charcoal addition to soils in NE England: a carbon sink with environmental co-benefits?. Sci. Total Environ. 2011, 409:1704-1714.
18. Biederman L.A., Harpole W.S. Biochar and its effects on plant productivity and nutrient cycling: a meta-analysis. GCB Bioenergy 2013, 5:202-214.
19. Bischoff, W.-A., Schwarz, A., Pfenning, J., Pyrolyse-und HTC-Kohlen als Bodenverbesserer auf sandigen Böden im Gemüsebau. Kommissionen IV und VI der Deutschen Bodenkundlichen Gesellschaft Gesellschaft für Pflanzenbauwissenschaften e. V., 56.
20. Biochar application to soil 2009, Earthscan, London. P. Blackwell, G. Riethmuller, M. Collins (Eds.).
21. Blair T., Pachauri R., Schellnhuber H.J., Cramer W., Nakicenovic N., Wigley T., Yohe G. Avoiding dangerous climate change 2006, Cambridge University Press, Cambridge, UK.
22. 2 respiration sources following slurry-C incorporation into two grassland soils with different C content. Rapid Commun. Mass Spectrom. 2003, 17:2585-2590.
23. Borchard N., Prost K., Kautz T., Moeller A., Siemens J. Sorption of copper (II) and sulphate to different biochars before and after composting with farmyard manure. Eur. J. Soil Sci. 2012, 63:399-409.
24. 2O emissions: potential effects of blending fast-pyrolysis biochar with anaerobically digested slurry. Eur. J. Soil Sci. 2011, 62:581-589.
25. Burford J., Bremner J. Relationships between the denitrification capacities of soils and total, water-soluble and readily decomposable soil organic matter. Soil Biol. Biochem. 1975, 7:389-394.
26. Busch D., Kammann C., Grünhage L., Müller C. Simple biotoxicity tests for evaluation of carbonaceous soil additives: establishment and reproducibility of four test procedures. J. Environ. Qual. 2012, 41:1023-1032.
27. 2 emissions from a sandy loam soil-the role of soil aeration. Soil Biol. Biochem. 2012, 51:125-134.
28. Castaldi S., Riondino M., Baronti S., Esposito F., Marzaioli R., Rutigliano F., Vaccari F., Miglietta F. Impact of biochar application to a Mediterranean wheat crop on soil microbial activity and greenhouse gas fluxes. Chemosphere 2011, 85:1464-1471.
29. Castro M.S., Mellilo J.M., Steudler P.A., Chapman J.W. Soil moisture as a predictor of methane uptake by temperate forest soils. Can. J. For. Res. 1994, 24:1805-1810.
30. Castro M.S., Steudler P.A., Mellilo J.M., Aber J.D., Bowden R.D. Factors controlling atmospheric methane consumption by temperate forest soils. Global Biogeochem. Cycles 1995, 9:1-10.
31. Cayuela M.L., Oenema O., Kuikman P.J., Bakker R.R., Van Groenigen J.W. Bioenergy by-products as soil amendments? Implications for carbon sequestration and greenhouse gas emissions. Global Change Biol.: Bioenergy 2010, 2:201-213.
32. Cayuela M.L., Sánchez-Monedero M.A., Roig A., Hanley K., Enders A., Lehmann J. Biochar and denitrification in soils: when, how much and why does biochar reduce N2O emissions?. Scientific Reports 3 2013.
33. Chadwick D., Pain B. Methane fluxes following slurry applications to grassland soils: laboratory experiments. Agric. Ecosyst. Environ. 1997, 63:51-60.
34. Chan K., Van Zwieten L., Meszaros I., Downie A., Joseph S. Agronomic values of greenwaste biochar as a soil amendment. Soil Res. 2008, 45:629-634.
35. Chantigny M.H., Rochette P., Angers D.A. Short-term C and N dynamics in a soil amended with pig slurry and barley straw: a field experiment. Can. J. Soil Sci. 2001, 81:131-137.
36. Chen C., Phillips I., Condron L., Goloran J., Xu Z., Chan K. Impacts of greenwaste biochar on ammonia volatilisation from bauxite processing residue sand. Plant Soil 2012, 1-12.
37. 2O production in a cultivated Black Chernozem. Biol. Fertil. Soils 2012, 48:941-946.
38. Clayton H., McTaggart I., Parker J., Swan L., Smith K. Nitrous oxide emissions from fertilised grassland: a 2-year study of the effects of N fertiliser form and environmental conditions. Biol. Fertil. Soils 1997, 25:252-260.
39. Clemens J., Wulf S. Reduktion der Ammoniakausgasung aus Kofermentationssubstraten und Gülle während der Lagerung und Ausbringung durch interne Versaurung mit in NRW anfallenden organischen Kohlenstofffraktionen 2005, 121. Forschungsvorhaben im Auftrag des Ministeriums für Umwelt und Naturschutz, Landwirtschaft und Verbraucherschutz des Landes Nordrhein-Westfalen, Bonn, Germany.
40. Clough T., Condron L., Kammann C., Müller C. A review of biochar and soil nitrogen dynamics. Agronomy 2013, 3:275-293.
41. 2O to biochars and other organic and inorganic materials under anhydrous conditions. Environ. Sci. Technol. 2013, 47:7704-7712.
42. Cross A., Sohi S.P. The priming potential of biochar products in relation to labile carbon contents and soil organic matter status. Soil Biol. Biochem. 2011, 43:2127-2134.
43. Czepiel P.M., Crill P.M., Harriss R.C. Environmental factors influencing the variability of methane oxidation in temperate zone soils. J. Geophys. Res. 1995, 100:9359-9364.
44. Dempster D.N., Gleeson D.B., Solaiman Z.M., Jones D.L., Murphy D.V. Decreased soil microbial biomass and nitrogen mineralisation with Eucalyptus biochar addition to a coarse textured soil. Plant Soil 2012, 354:311-324.
45. Ding Y., Liu Y.X., Wu W.X., Shi D.Z., Yang M., Zhong Z.K. Evaluation of biochar effects on nitrogen retention and leaching in multi-layered soil columns. Water Air Soil Pollut. 2010, 213:47-55.
46. Eckmeier E., Gerlach R., Gehrt E., Schmidt M.W. Pedogenesis of chernozems in Central Europe-a review. Geoderma 2007, 139:288-299.
47. Feng Y., Xu Y., Yu Y., Xie Z., Lin X. Mechanisms of biochar decreasing methane emission from Chinese paddy soils. Soil Biol. Biochem. 2011, 46:80-88.
48. Flessa H., Wild U., Klemisch M., Pfadenhauer J. Nitrous oxide and methane fluxes from organic soils under agriculture. Eur. J. Soil Sci. 1998, 49:327-335.
49. Focht D., Stolzy L., Meek B. Sequential reduction of nitrate and nitrous oxide under field conditions as brought about by organic amendments and irrigation management. Soil Biol. Biochem. 1979, 11:37-46.
50. Gajić A., Koch H.J. Sugar beet (L.) growth reduction caused by hydrochar is related to nitrogen supply. J. Environ. Qual. 2012, 41:1067-1075.
51. Glaser B., Parr M., Braun C., Kopolo G. Biochar is carbon negative. Nat. Geosci. 2009, 2:2.
52. Gronauer A. Einflußfaktoren auf die Ammoniakfreisetzung aus Flüssigmist als Grundlage verfahrenstechnischer Verbesserungen 1993, Bayer. Staatsministerium f. Ernährung, Landwirtschaft u. Forsten, (Ref. Landmaschinenwesen u. Energiewirtschaft).
53. 4-oxidizer populations across sites?. Soil Biol. Biochem. 1997, 29:13-21.
54. 2O emissions from biochar-amended soil to the structure and function of the N-cycling microbial community. ISME J. 2013, 8:660-674.
55. Hilscher A., Knicker H. Degradation of grass-derived pyrogenic organic material, transport of the residues within a soil column and distribution in soil organic matter fractions during a 28 month microcosm experiment. Org. Geochem. 2011, 42:42-54.
56. Houghton J.T., Meira Filho L.G., Griggs D.J., Maskell K. Stabilization of Atmospheric Greenhouse Gases: Physical, Biological and Socio-Economic Implications 1997, Intergovernmental Panel on Climate Change.
57. Hrapovic L., Rowe R. Intrinsic degradation of volatile fatty acids in laboratory-compacted clayey soil. J. Contam. Hydrol. 2002, 58:221-242.
58. Hua L., Wu W., Liu Y., McBride M.B., Chen Y. Reduction of nitrogen loss and Cu and Zn mobility during sludge composting with bamboo charcoal amendment. Environ. Sci. Pollut. Res. Int. 2009, 16:1-9.
59. Husk B., Major J. Commercial scale agricultural biochar field trial in Québec, Canada over two years: effects of biochar on soil fertility, biology and crop productivity and quality 2010, 35. Dynamotive Energy Systems, Blue Leaf Inc, Quebec.
60. Use of chamber systems to measure trace gas fluxes 1993, American Society of Agronomy, Madison, Wisconsin. G. Hutchinson, G. Livingston (Eds.).
61. Hütsch B.W. Methane oxidation in non-flooded soils as affected by crop production-invited paper. Eur. J. Agron. 2001, 14:237-260.
62. Ippolito J., Novak J., Busscher W., Ahmedna M., Rehrah D., Watts D. Switchgrass biochar affects two aridisols. J. Environ. Qual. 2012, 41:1123-1130.
63. Jäger H.-J., Schmidt S.W., Kammann C., Grünhage L., Müller C., Hanewald K. The University of Giessen free-air carbon dioxide enrichment study: description of the experimental site and of a new enrichment system. J. Appl. Bot. 2003, 77:117-127.
64. Jeffery S., Verheijen F., Van der Velde M., Bastos A. A quantitative review of the effects of biochar application to soils on crop productivity using meta-analysis. Agric. Ecosyst. Environ. 2011, 144:175-187.
65. 2 release is both biotically and abiotically mediated. Soil Biol. Biochem. 2011, 43:1723-1731.
66. Jones D., Rousk J., Edwards-Jones G., DeLuca T., Murphy D. Biochar-mediated changes in soil quality and plant growth in a three year field trial. Soil Biol. Biochem. 2011, 45:113-124.
67. 2O emissions from differently managed grasslands. Environ. Pollut. 1998, 102:179-186.
68. Kammann C., Linsel S., Gößling J., Koyro H.-W. Influence of biochar on drought tolerance of Chenopodium quinoa willd and on soil-plant relations. Plant Soil 2011, 345:195-210.
69. Kammann C., Messerschmidt N., Müller C., Steffens D., Schmidt H.-P., Koyro H.-W. Significant plant growth stimulation by composted vs. untreated biochar. Second Nordic Biochar Symposium 2013.
70. 2O emissions in permanent grassland. Soil Biol. Biochem. 2008, 40:2194-2205.
71. Kammann C., Ratering S., Eckhard C., Müller C. Biochar and hydrochar effects on greenhouse gas (carbon dioxide, nitrous oxide, and methane) fluxes from soils. J. Environ. Qual. 2012, 41:1052-1066.
72. 4 uptake and water holding capacity-results from a short-term pilot field study. Agric. Ecosyst. Environ. 2011, 140:309-313.
73. Knowles O., Robinson B., Contangelo A., Clucas L. Biochar for the mitigation of nitrate leaching from soil amended with biosolids. Sci. Total Environ. 2011, 409:3206-3210.
74. Laird D., Fleming P., Wang B., Horton R., Karlen D. Biochar impact on nutrient leaching from a Midwestern agricultural soil. Geoderma 2010, 158:436-442.
75. Laser H. Effects of liming and nitrogen application on the trace element concentrations of pastures in low mountain range. Plant Soil Environ. 2007, 53:258.
76. Laughlin R.J., Stevens R.J. Evidence for fungal dominance of denitrification and codenitrification in a grassland soil. Soil Sci. Soc. Am. J. 2002, 66:1540-1548.
77. - in a grassland soil. Eur. J. Soil Sci. 2008, 59:285-291.
78. Lehmann J. A handful of carbon. Nature 2007, 447:143-144.
79. Libra J.A., Ro K.S., Kammann C., Funke A., Berge N.D., Neubauer Y., Titirici M.-M., Fühner C., Bens O., Kern J., Emmerich K.-H. Hydrothermal carbonization of biomass residuals: a comparative review of the chemistry, processes and applications of wet and dry pyrolysis. Biofuels 2011, 2:71-106.
80. 2 emissions from waterlogged paddy soil with biochar. J. Soils Sediments 2011, 11:930-939.
81. Loftfield N., Flessa H., Augustin J., Beese F. Automated gas chromatographic system for rapid analysis of the atmospheric trace gases methane, carbon dioxide, and nitrous oxide. J. Environ. Qual. 1997, 26:560-564.
82. Luo Y., Durenkamp M., De Nobili M., Lin Q., Brookes P. Short term soil priming effects and the mineralisation of biochar following its incorporation to soils of different pH. Soil Biol. Biochem. 2011, 43:2304-2314.
83. Maag M., Vinther F.P. Nitrous oxide emission by nitrification and denitrification in different soil types and at different soil moisture contents and temperatures. Appl. Soil Ecol. 1996, 4:5-14.
84. Matzner E., Borken W. Do freeze-thaw events enhance C and N losses from soils of different ecosystems? A review. Eur. J. Soil Sci. 2008, 59:274-284.
85. McCormack S., Vanbergen A., Bardgett R., Hopkins D., Ostle N. Biochar and biological carbon cycling in temperate soils. EGU General Assembly Conference Abstracts 2012, 10996.
86. Misselbrook T., Smith K., Johnson R., Pain B. SE-structures and environment: slurry application techniques to reduce ammonia emissions: results of some UK field-scale experiments. Biosyst. Eng. 2002, 81:313-321.
87. 2 emissions. Proc. Natl. Acad. Sci. 2009, 106:20616-20621.
88. Monaghan R., Barraclough D. Nitrous oxide and dinitrogen emissions from urine-affected soil under controlled conditions. Plant Soil 1993, 151:127-138.
89. 2O emissions in grassland soil during freezing and thawing. Soil Biol. Biochem. 2002, 34:1325-1331.
90. Nelson N.O., Agudelo S.C., Yuan W., Gan J. Nitrogen and phosphorus availability in biochar-amended soils. Soil Sci. 2011, 176:218.
91. Pacholski A., Cai G., Nieder R., Richter J., Fan X., Zhu Z., Roelcke M. Calibration of a simple method for determining ammonia volatilization in the field-comparative measurements in Henan Province, China. Nutr. Cycling Agroecosyst. 2006, 74:259-273.
92. Pain B.F., Phillips V.R., Clarkson C.R., Klarenbeek J.V. Loss of nitrogen through ammonia volatilisation during and following the application of pig or cattle slurry to grassland. J. Sci. Food Agric. 1989, 47:1-12.
93. Petersen S.O., Amon B., Gattinger A. Methane oxidation in slurry storage surface crusts. J. Environ. Qual. 2005, 34:455-461.
94. Prost K., Borchard N., Siemens J., Kautz T., Sequaris J.-M., Moeller A., Amelung W. Biochar affected by composting with farmyard manure. J. Environ. Qual. 2013, 42:164-172.
95. Qayyum M.F., Steffens D., Reisenauer H.P., Schubert S. Kinetics of carbon mineralization of biochars compared with wheat straw in three soils. J. Environ. Qual. 2012, 41:1210-1220.
96. 2O): the dominant ozone-depleting substance emitted in the 21st century. Science 2009, 326:123-125.
97. Rillig M.C., Wagner M., Salem M., Antunes P.M., George C., Ramke H.-G., Titirici M.-M., Antonietti M. Material derived from hydrothermal carbonization: effects on plant growth and arbuscular mycorrhiza. Appl. Soil Ecol. 2010, 45:238-242.
98. 2O emissions via soil moisture and plant N uptake. Soil Biol. Biochem. 2013, 58:99-106.
99. Sahrawat K., Keeney D. Nitrous oxide emission from soils. Adv. Soil Sci. 1986, 4:103-148.
100. Schimmelpfennig S., Glaser B. One step forward toward characterization: some important material properties to distinguish biochars. J. Environ. Qual. 2012, 41:1001-1013.
101. Scurlock J., Hall D. The global carbon sink: a grassland perspective. Global Change Biol. 1998, 4:229-233.
102. Sherlock R.R., Sommer S.G., Khan R.Z., Wood C., Guertal E.A., Freney J.R., Dawson C.O., Cameron K.C. Ammonia, methane, and nitrous oxide emission from pig slurry applied to a pasture in New Zealand. J. Environ. Qual. 2002, 31:1491-1501.
103. Shindell D.T., Faluvegi G., Koch D.M., Schmidt G.A., Unger N., Bauer S.E. Improved attribution of climate forcing to emissions. Science 2009, 326:716-718.
104. Singh B.P., Cowie A.L., Smernik R.J. Biochar carbon stability in a clayey soil as a function of feedstock and pyrolysis temperature. Environ. Sci. Technol. 2012, 46:11770-11778.
105. Sommer S.G., Friis E., Bach A., Schjørring J.K. Ammonia volatilization from pig slurry applied with trail hoses or broadspread to winter wheat: effects of crop developmental stage, microclimate, and leaf ammonia absorption. J. Environ. Qual. 1997, 26:1153-1160.
106. Sommer S.G., Hutchings N. Ammonia emission from field applied manure and its reduction-invited paper. Eur. J. Agron. 2001, 15:1-15.
107. Sørensen P. Carbon mineralization, nitrogen immobilization and pH change in soil after adding volatile fatty acids. Eur. J. Soil Sci. 1998, 49:457-462.
108. Spokas K.A., Novak J.M., Venterea R.T. Biochar's role as an alternative N-fertilizer: ammonia capture. Plant Soil 2012, 350:35-42.
109. Spokas K.A., Reicosky D.C. Impact of sixteen different biochars on soil greenhouse gas production. Ann. Environ. Sci. 2009, 3:179-193.
110. Van de Voorde T.F.J., Bezemer T.M., Van Groenigen J.W., Jeffery S., Mommer L. Soil biochar amendment in a nature restoration area: Eeffects on plant productivity and community composition. Ecol. Appl. 2014, (in press). http://depot.knaw.nl/14485/.
111. Taghizadeh-Toosi A., Clough T.J., Condron L.M., Sherlock R.R., Anderson C.R., Craigie R.A. Biochar incorporation into pasture soil suppresses in situ nitrous oxide emissions from ruminant urine patches. J. Environ. Qual. 2011, 40:468-476.
112. Taghizadeh-Toosi A., Clough T.J., Sherlock R.R., Condron L.M. Biochar adsorbed ammonia is bioavailable. Plant Soil 2011, 1-13.
113. 3N generated from ruminant urine-N, retaining its bioavailability. Plant Soil 2012, 353:73-84.
114. 2 from Ferrosol. Soil Res. 2010, 48:555-568.
115. 2 greenhouse gases from soil 2009, 227-249. Biochar for Environmental Management-Science and Technology, Earthscan.
116. Vandré R. Ammoniakausgasung aus Gülle nach der Ausbringung 1997, Lehrstuhl für Bodenkunde und Bodengeographie der Univ. Bayreuth, Bayreuth.
117. Velthof G., Brader A., Oenema O. Seasonal variations in nitrous oxide losses from managed grasslands in the Netherlands. Plant Soil 1996, 181:263-274.
118. Ventura M., Sorrenti G., Panzacchi P., George E., Tonon G. Biochar reduces short-term nitrate leaching from a horizon in an apple orchard. J. Environ. Qual. 2013, 42:76-82.
119. Winsley P. Biochar and bioenergy production for climate change mitigation. N.Z. Sci. Rev. 2007, 64:5-10.
120. IUSS Working Group WRB. 2006. World reference base for soil resources 2006. World Soil Resources Reports No. 103. FAO, Rome.
121. Yoo G., Kang H. Effects of biochar addition on greenhouse gas emissions and microbial responses in a short-term laboratory experiment. J. Environ. Qual. 2012, 41:1193-1202.
122. Zavalloni C., Alberti G., Biasiol S., Vedove G.D., Fornasier F., Liu J., Peressotti A. Microbial mineralization of biochar and wheat straw mixture in soil: a short-term study. Appl. Soil Ecol. 2011, 50:45-51.
123. Zhang A., Liu Y., Pan G., Hussain Q., Li L., Zheng J., Zhang X. Effect of biochar amendment on maize yield and greenhouse gas emissions from a soil organic carbon poor calcareous loamy soil from Central China Plain. Plant Soil 2012, 351:263-275.
124. Zimmerman A.R., Gao B., Ahn M.Y. Positive and negative carbon mineralization priming effects among a variety of biochar-amended soils. Soil Biol. Biochem. 2011.