Bai S H, Omidvar N, Gallart M, Kamper W, Tahmasbian I, Farrar M B, Singh K, Zhou G, Muqadass B, Xu C Y, Koech R, Li Y, Nguyen T T N, van Zwieten L. 2022. Combined effects of biochar and fertilizer applications on yield: A review and meta-analysis. Science of the Total Environment, 808, 152073.

Benítez-López A, Alkemade R, Schipper A M, Ingram D J, Verweij P A, Eikelboom J A J, Huijbregts M A J. 2017. The impact of hunting on tropical mammal and bird populations. Science, 356, 180–183.

Biederman L A, Harpole W S. 2013. Biochar and its effects on plant productivity and nutrient cycling: A meta-analysis. Global Change Biology Bioenergy, 5, 202-214.

Blanco‐Canqui H. 2020. Does biochar improve all soil ecosystem services? Global Change Biology Bioenergy, 13, 291-304.

Boyd J, Banzhaf S. 2007. What are ecosystem services? The need for standardized environmental accounting units. Ecological Economics, 63, 616-626.

Carpenter S R, Defries R, Dietz T H A, Mooney S P, Reid W V, Scholes R J. 2006. The millennium ecosystem assessment: Research needs. Science, 314, 257–258.

Castellanos M C, Verdú M. 2012. Meta-analysis of meta-analyses in plant evolutionary ecology. Evolutionary Ecology, 26, 1187–1196.

Chan K Y, Van Zwieten L, Meszaros I, Downie A, Joseph S. 2008. Using poultry litter biochars as soil amendments. Australian Journal of Soil Research, 46, 437-444.

Cooper H K A. 2012. The overview of reviews: Unique challenges and opportunities when research syntheses are the principal elementsof new integrative scholarship. American Psychologist, 67, 446–462.

De Corato U. 2020. Towards new soil management strategies for improving soil quality and ecosystem services in sustainable agriculture: Editorial overview. Sustainability, 12, 9398.

Costanza R, Arge R, Groots R, Farber S, Grasso M, Hannon B, Limburg K, Naeem S, O'Neil R, Paruelo J, Raskin P, Bel M. 1997. The value of the world's ecosystem services and natural capital. Nature, 387, 253-260.

Ding F, Van Zwieten L, Zhang W, Weng Z, Shi S, Wang J, Meng J. 2017. A meta-analysis and critical evaluation of influencing factors on soil carbon priming following biochar amendment. Journal of Soils and Sediments, 18, 1507-1517.

Ding Y, Liu Y, Liu S, Li Z, Tan X, Huang X, Zeng G, Zhou L, Zheng B. 2016. Biochar to improve soil fertility. A review. Agronomy for Sustainable Development, 36, 36.

Dutta T, Kwon E, Bhattacharya S S, Jeon B H, Deep A, Uchimiya M, Kim K H. 2017. Polycyclic aromatic hydrocarbons and volatile organic compounds in biochar and biochar-amended soil: A review. Global Change Biology Bioenergy, 9, 990-1004.

Egger M, Smith G D, Schneider M, Minder C. 1997. Bias in meta-analysis detected by a simple, graphical test. The BMJ, 315, 629-634.

Elad Y, David R, Harel Y M, Borenshtein M, Kalifa H B, Silber A, Graber E R. 2010. Induction of systemic resistance in plants by biochar, a soil-applied carbon sequestering agent. Phytopathology, 100, 913–921.

Elmer W H, Pignatello J J. 2011. Effect of biochar amendments on mycorrhizal associations and fusarium crown and root rot of asparagus in replant soils. Plant Disease, 95, 960–966.

Feng Z, Leung L R, Hagos S, Houze R A, Burleyson C D, Balaguru K. 2016. More frequent intense and long-lived storms dominate the springtime trend in central US rainfall. Nature Communications, 7, 13429.

Fisher B, Kerry Turner R. 2008. Ecosystem services: Classification for valuation. Biological Conservation, 141, 1167-1169.

Gao S, DeLuca T H, Cleveland C C. 2019. Biochar additions alter phosphorus and nitrogen availability in agricultural ecosystems: A meta-analysis. Science of the Total Environment, 654, 463-472.

Gao Y, Shao G, Yang Z, Zhang K, Lu J, Wang Z, Wu S, Xu D. 2021. Influences of soil and biochar properties and amount of biochar and fertilizer on the performance of biochar in improving plant photosynthetic rate: A meta-analysis. European Journal of Agronomy, 130, 126345.

Gul S, Whalen J K. 2016. Biochemical cycling of nitrogen and phosphorus in biochar-amended soils. Soil Biology & Biochemistry, 103, 1-15.

He M, Xu Z, Sun Y, Chan P S, Lui I, Tsang D C W. 2021. Critical impacts of pyrolysis conditions and activation methods on application-oriented production of wood waste-derived biochar. Bioresource Technology, 341, 125811.

Hennessy E A, Johnson B T. 2020. Examining overlap of included studies in meta-reviews: Guidance for using the corrected covered area index. Research Synthesis Methods, 11, 134-145.

Hossain M K, Strezov V, Chan K Y, Nelson P F. 2010. Agronomic properties of wastewater sludge biochar and bioavailability of metals in production of cherry tomato (Lycopersicon esculentum). Chemosphere, 78, 1167-1171.

Huang L, Wang Q, Zhou Q, Ma L, Wu Y, Liu Q, Wang S, Feng Y. 2020. Cadmium uptake from soil and transport by leafy vegetables: A meta-analysis. Environmental Pollution, 264, 114677.

Ippolito J A, Cui L, Kammann C, Wrage-Mönnig N, Estavillo J M, Fuertes-Mendizabal T, Cayuela M L, Sigua G, Novak J, Spokas K, Borchard N. 2020. Feedstock choice, pyrolysis temperature and type influence biochar characteristics: A comprehensive meta-data analysis review. Biochar, 2, 421-438.

Koricheva J, Gurevitch J, Mengersen K. 2013. Handbook of Meta-Analysis in Ecology and Evolution. Princeton University Press, USA.

Jeffery S, Verheijen F G A, van der Velde M, Bastos A C. 2011. A quantitative review of the effects of biochar application to soils on crop productivity using meta-analysis. Agriculture, Ecosystems & Environment, 144, 175-187.

Ji C, Jin Y, Li C, Chen J, Kong D, Yu K, Liu S, Zou J. 2018. Variation in Soil methane release or uptake responses to biochar amendment: A separate meta-analysis. Ecosystems, 21, 1692-1705.

Kammann C I, Linsel S, Gößling J W, Koyro H W. 2011. Influence of biochar on drought tolerance of Chenopodium quinoa Willd and on soil–plant relations. Plant Soil, 345, 195-210.

Laird D A, Brown R C, Amonette J E, Lehmann J. 2009. Review of the pyrolysis platform for coproducing bio-oil and biochar. Biofuels, Bioproducts and Biorefining, 3, 547-562.

Laird D A, Fleming P, Davis D D, Horton R, Wang B, Karlen D L. 2010. Impact of biochar amendments on the quality of a typical Midwestern agricultural soil. Geoderma, 158, 443-449.

Lehmann J, Gaunt J, Rondon M. 2006. Bio-char sequestration in terrestrial ecosystems-A Review. Mitigation and Adaptation Strategies for Global Change, 11, 403-427.

Lehmann J, Rillig M C, Thies J, Masiello C A, Hockaday W C, Crowley D. 2011. Biochar effects on soil biota-A review. Soil Biology & Biochemistry, 43, 1812-1836.

Levins R A, Cochrane W W. 1996. The treadmill revisited. Land Economics, 72, 550–553.

Li X, Wang T, Chang S X, Jiang X, Song Y. 2020. Biochar increases soil microbial biomass but has variable effects on microbial diversity: A meta-analysis. Science of the Total Environment, 749, 141593.

Liang B, Lehmann J, Solomon D, Kinyangi J, Grossman J, O'Neill B, Skjemstad J O, Thies J, Luizão F J, Petersen J, Neves E G. 2006. Black carbon increases cation exchange capacity in soils. Soil Science Society of America Journal, 70, 1719-1730.

Liu C, Liu X, Zhang X, Li L, Pan G. 2019. Evaluating the effects of biochar amendment on crop yield and soil carbon sequestration and greenhouse gas emission using meta-analysis. Journal of Agro-Environment Science, 38, 696-706.

Liu J N, Zhou Q X, Sun T, Ma L Q, Wang S. 2008. Growth responses of three ornamental plants to Cd and Cd-Pb stress and their metal accumulation characteristics. Journal of Hazardous Materials, 151, 261-268.

Liu S, Zhang Y, Zong Y, Hu Z, Wu S, Zhou J, Jin Y, Zou J. 2016. Response of soil carbon dioxide fluxes, soil organic carbon and microbial biomass carbon to biochar amendment: A meta-analysis. Global Change Biology Bioenergy, 8, 392-406.

McGrath T E, Chan W G, Hajaligol M R. 2003. Low temperature mechanism for the formation of polycyclic aromatic hydrocarbons from the pyrolysis of cellulose. Journal of Analytical and Applied Pyrolysis, 66, 51-70.

Millennium Ecosystem Assessment. 2005. Millennium ecosystem assessment synthesis report. Island, Washington.

Murphy B W. 2015. Impact of soil organic matter on soil properties-a review with emphasis on Australian soils. Soil Research, 53, 605–635.

Nakagawa S, Noble D W, Senior A M, Lagisz M. 2017. Meta-evaluation of meta-analysis: Ten appraisal questions for biologists. BMC Biology, 15, 18.

Nakajima D, Nagame S, Kuramochi H, Sugita K, Kageyama S, Shiozaki T, Takemura T, Shiraishi F, Goto S. 2007. Polycyclic aromatic hydrocarbon generation behavior in the process of carbonization of wood. Bulletin of Environmental Contamination and Toxicology, 79, 221-226.

Nguyen T T N, Xu C Y, Tahmasbian I, Che R, Xu Z, Zhou X, Wallace H M, Bai S H. 2017. Effects of biochar on soil available inorganic nitrogen: A review and meta-analysis. Geoderma, 288, 79-96.

O'Connor D, Peng T, Zhang J, Tsang D C W, Alessi D S, Shen Z, Bolan N S, Hou D. 2018. Biochar application for the remediation of heavy metal polluted land: A review of in situ field trials. Science of the Total Environment, 619-620, 815-826.

Pan S Y, Dong C D, Su J F, Wang P Y, Chen C W, Chang J S, Kim H, Huang C P, Hung C M. 2021. The role of biochar in regulating the carbon, phosphorus, and nitrogen cycles exemplified by soil systems. Sustainability, 13, 5612.

Park J H, Choppala G K, Bolan N S, Chung J W, Chuasavathi T. 2011. Biochar reduces the bioavailability and phytotoxicity of heavy metals. Plant Soil, 348, 439-451.

Pokharel P, Ma Z, Chang S X. 2020. Biochar increases soil microbial biomass with changes in extra- and intracellular enzyme activities: A global meta-analysis. Biochar, 2, 65-79.

Quilliam R S, Marsden K A, Gertler C, Rousk J, DeLuca T H, Jones D L. 2012. Nutrient dynamics, microbial growth and weed emergence in biochar amended soil are influenced by time since application and reapplication rate. Agriculture Ecosystems & Environment, 158, 192-199.

Rehman A, Arif M S, Tufail M A, Shahzad S M, Farooq T H, Ahmed W, Mehmood T, Farooq M R, Javed Z, Shakoor A. 2021. Biochar potential to relegate metal toxicity effects is more soil driven than plant system: A global meta-analysis. Journal of Cleaner Production, 316, 128276.

Routschek A, Schmidt J, Kreienkamp F. 2014. Impact of climate change on soil erosion-A high-resolution projection on catchment scale until 2100 in Saxony/Germany. Catena, 121, 99-109.

Sachs J D, Reid W V. 2006. Environment. Investments toward sustainable development. Science, 312, 1002.

Schmidt F L, Oh I S. 2013. Methods for second order meta-analysis and illustrative applications. Organizational Behavior and Human Decision, 121, 204-218.

Sha Z, Li Q, Lv T, Misselbrook T, Liu X. 2019. Response of ammonia volatilization to biochar addition: A meta-analysis. Science of the Total Environment, 655, 1387-1396.

Shakoor A, Arif M S, Shahzad S M, Farooq T H, Ashraf F, Altaf M M, Ahmed W, Tufail M A, Ashraf M. 2021. Does biochar accelerate the mitigation of greenhouse gaseous emissions from agricultural soil? - A global meta-analysis. Environmental Research, 202, 111789.

Singh S, Kumar V, Dhanjal D S, Datta S, Bhatia D, Dhiman J, Samuel J, Prasad R, Singh J. 2020. A sustainable paradigm of sewage sludge biochar: Valorization, opportunities, challenges and future prospects. Journal of Cleaner Production, 269, 122259.

Sun Y, Gao B, Yao Y, Fang J, Zhang M, Zhou Y, Chen H, Yang L. 2014. Effects of feedstock type, production method, and pyrolysis temperature on biochar and hydrochar properties. Chemical Engineering Journal, 240, 574-578.

Tamim R M, Bernard R M, Borokhovski E, Abrami P C, Schmid R F. 2011. What forty years of research says about the impact of technology on learning. Review of Educational Research, 81, 4-28.

Tammeorg P, Simojoki A, Mäkelä P, Stoddard F L, Alakukku L, Helenius J. 2014. Short-term effects of biochar on soil properties and wheat yield formation with meat bone meal and inorganic fertiliser on a boreal loamy sand. Agriculture, Ecosystems & Environment, 191, 108-116.

Tillman D, Cassman K G, Matson P A, Naylor R, Polasky S. 2002. Agricultural sustainability and intensive production practices. Nature, 418, 671–677.

Tomczyk A, Sokołowska Z, Boguta P. 2020. Biochar physicochemical properties: Pyrolysis temperature and feedstock kind effects. Reviews in Environmental Science and Bio/Technology, 19, 191–215.

Verheijen F G A, Zhuravel A, Silva F C, Amaro A, Ben-Hur M, Keizer J J. 2019. The influence of biochar particle size and concentration on bulk density and maximum water holding capacity of sandy vs sandy loam soil in a column experiment. Geoderma, 347, 194-202.

Viechtbauer W. 2010. Conducting meta-analyses in R with the metafor package. Journal of Statistical Software, 36, 1-48.

Wallace K J. 2007. Classification of ecosystem services: Problems and solutions. Biological Conservation, 139, 235-246.

Wang F, Harindintwali J D, Yuan Z, Wang M, Wang F, Li S, Yin Z, Huang L, Fu Y, Li L, Chang S X, Zhang L, Rinklebe J, Yuan Z, Zhu Q, Xiang L, Tsang D C W, Xu L, Jiang X, Liu J, et al. 2021. Technologies and perspectives for achieving carbon neutrality. The Innovation, 2, 4.

Wang J, Xiong Z, Kuzyakov Y. 2015. Biochar stability in soil: Meta‐analysis of decomposition and priming effects. Global Change Biology Bioenergy, 8, 512-523.

Wilkins L W. 2011. PRISMA Statement. Epidemiology, 22, 128.

Xiao L, Lichtfouse E, Kumar P S, Wang Q, Liu F. 2021. Biochar promotes methane production during anaerobic digestion of organic waste. Environmental Chemistry Letters, 19, 3557–3564.

Xiao Z. 2019. The effect of biochar amendment on N-cycling genes in soils A meta-analysis. Science of the Total Environment, 696, 133984.

Xu H, Cai A, Wu D, Liang G, Xiao J, Xu M, Colinet G, Zhang W. 2021. Effects of biochar application on crop productivity, soil carbon sequestration, and global warming potential controlled by biochar C:N ratio and soil pH: A global meta-analysis. Soil & Tillage Research, 213, 105125.

Xu Z, He M, Xu X, Cao X, Tsang D C W. 2021. Impacts of different activation processes on the carbon stability of biochar for oxidation resistance. Bioresource Technology, 338, 125555.

Yang J, Li H, Zhang D, Wu M, Pan B. 2017. Limited role of biochars in nitrogen fixation through nitrate adsorption. Science of the Total Environment, 592, 758-765.

Yuan C, Gao B, Peng Y, Gao X, Fan B, Chen Q. 2021. A meta-analysis of heavy metal bioavailability response to biochar aging: Importance of soil and biochar properties. Science of the Total Environment, 756, 144058.

Zhang L, Jing Y, Chen C, Xiang Y, Rezaei Rashti M, Li Y, Deng Q, Zhang R. 2021. Effects of biochar application on soil nitrogen transformation, microbial functional genes, enzyme activity, and plant nitrogen uptake: A meta‐analysis of field studies. Global Change Biology Bioenergy, 13, 1859-1873.

Zhang L, Jing Y, Xiang Y, Zhang R, Lu H. 2018. Responses of soil microbial community structure changes and activities to biochar addition: A meta-analysis. Science of the Total Environment, 643, 926-935.

Zhang Q, Xiao J, Xue J, Zhang L. 2020. Quantifying the effects of biochar application on greenhouse gas emissions from agricultural soils: A global meta-analysis. Sustainability, 12, 3436.

Zhang Y, Dang Y, Wang J, Huang Q, Wang X, Yao L, Vinay N, Yu K, Wen X, Xiong Y, Liao Y, Han J, Mo F. 2022. A synthesis of soil organic carbon mineralization in response to biochar amendment. Soil Biology & Biochemistry, 175, 3436.

Zhao X, Wang M, Liu H, Li L, Ma C, Song Z. 2012. A microwave reactor for characterization of pyrolyzed biomass. Bioresource Technology, 104, 673-680.

Zhao X, Wang S, Xing G. 2013. Nitrification, acidification, and nitrogen leaching from subtropical cropland soils as affected by rice straw-based biochar: Laboratory incubation and column leaching studies. Journal of Soils and Sediments, 14, 471-482.

Zhou H M, Zhang D X, Wang P, Liu X Y, Cheng K, Li L Q, Zheng J W, Zhang X H, Zheng J F, Crowley D, Zwieten L, Pan G X. 2017. Changes in microbial biomass and the metabolic quotient with biochar addition to agricultural soils: A Meta-analysis. Agriculture, Ecosystems & Environment, 239, 80-89.

Van Zwieten L, Kammann C, Cayuela M L, Singh B P, Joseph S, Kimber S, Donne S, Clough T, Spokas K A. 2015. Biochar effects on nitrous oxide and methane emissions from soils. In: Lehmann C J, Joseph S, eds., Biochar for Environmental Management: Science, Technology and Implementation. 2nd ed. Earthscan, London and New York. pp. 489–519.