The untapped potential of sweet sorghum as a bioenergy feedstock

• Grassi G, Tondi G, Helm P. Small-sized commercial bioenergy technologies as an instrument of rural development, biomass and agriculture: sustainability, markets and policies. OECD Publication Services. Paris, France, 277–287 (2004).
   Google Scholar
• Prasad S, Singh A, Jain N, Hoshi HC. Ethanol production from sweet sorghum syrup for utilization as automotive fuel in India. Energy & Fuels21,2415–2420 (2007).
   Web of Science ®Google Scholar
• Gnansounou E, Dario A, Wyman C. Refining sweet sorghum to ethanol and sugar: economic tradeoffs in the context of North China. Bioresource Technol.96,985–1002 (2005).
   PubMed Web of Science ®Google Scholar
• Hunter EL, Anderson IC. Sweet Sorghum. Hortic. Rev.21,73–104 (1997).
   Google Scholar
• Buxton DR, Anderson IC, Hallam A. Performance of sweet and forage sorghum grown continuously, double-cropped with winter rye, or in rotation with soybean and maize. Agron. J.91(1),93–101 (1999).
   Web of Science ®Google Scholar
• Murray SC, Rooney WL, Hamblin MT, Mitchell SE, Kresovich S. Sweet sorghum genetic diversity and association mapping for brix and height. Plant Genome2(1),48–62 (2009).
   Web of Science ®Google Scholar
• Rooney WL, Blumenthal J, Bean B, Mullet, JE. Designing sorghum as a dedicated bioenergy feedstock. Biofuels Bioprod Bioref.1(2),147–157 (2007).
   Web of Science ®Google Scholar
• Viator S, Alison W, Harrell D et al. Production of sweet sorghum in Louisiana as a biofuel feedstock crop. Department of Agricultural Economics Staff Report No. 2010-03. Louisiana State University Agricultural Center, LA, USA (2010).
   Google Scholar
• Stevens G, Holou R, Dunn D, Wrather A. Switchgrass and sweet sorghum fertilization for bioenergy feedstocks. In Missouri soil fertility and fertilizers research update. J Slater (ed.). Agron. Misc. Publ. #09-01. University of Missouri Fertlizer/Ag Lime Control Service, Columbia, MO, USA, 111–116 (2008).
   Google Scholar
• Dar WD. The rise of sweet sorghum as a competitive source of ethanol-based fuel. Presented at: Bioenergy Forum. Bangkok, Thailand, 28–30 April 2008.
   Google Scholar
• Steduto P, Katerji N, Puertos-Molina H, U’nlu M, Mastrorilli M, Rana G. Water-use efficiency of sweet sorghum under water stress conditions: gas exchange investigations at leaf and canopy scales. Field Crops Res.54,221–234 (1998).
   Web of Science ®Google Scholar
• Sasaki T, Antonio BA. Sorghum in sequence. Nature457,547–548 (2009).
   PubMed Web of Science ®Google Scholar
• Buchanan CD, Lim S, Salzman RA et al. Sorghum bicolor’s transcriptome response to dehydration, high salinity and ABA. Plant Mol. Biol.58,699–720 (2005).
   PubMed Web of Science ®Google Scholar
• Doggett H. Sorghum. John Wiley, NY, USA (1988).
   Google Scholar
• Bahree M. Sorghum beats corn (maybe). Forbes98–99 (2009).
   Google Scholar
• Duffy M, Smith D. Estimated costs of crop production in Iowa. Iowa State University Extension Publication.1712 (2004).
   Google Scholar
• Bennett AS, Annex RP. Farm-gate production costs of sweet sorghum as a bioethanol feedstock. Trans. ASABE51(2),603–613 (2008).
   Web of Science ®Google Scholar
• Reddy B. Sweet sorghum for food, fodder and fuel: ICRISAT experiences. Presented at: Annual Conference of the Sweet Sorghum Ethanol Association. Orlando, FL, USA, 28–29 January 2010.
   Google Scholar
• Shapouri H, McAloon A. The 2001 net energy balance of corn-ethanol. USDA Report. Office of the Chief Economist. Washington DC, USA (2006).
   Google Scholar
• Wang M, Saricks C, Santini D. Effects of fuel ethanol use on fuel-cycle energy and greenhouse gas emissions. Center for Transportation Research, Argonne National Laboratory. Argonne, IL, USA (1999).
   Google Scholar
• Pimental D, Patzek TW. Ethanol production using corn, switchgrass, and wood; biodiesel production using soybean and sunflower. The limits of bioenergy. Natl Resour. Res.14(1),65–76 (2005).
   Google Scholar
• Farrell A, Plevin R, Turner B, Jones A, O’Hare M, Kammen D. Ethanol can contribute to energy and environmental goals. Science311,506–508 (2006).
   PubMed Web of Science ®Google Scholar
• Shapouri H. Viability of alternative energy sources; e.g., ethanol and other biofuels and their potential impacts on food system. Presented at: The Pacific Food System Outlook. Singapore, 17–19 May 2006.
   Google Scholar
• Goldemberg J. The Brazilian biofuels industry. Biotechnol. Biofuels1,6 (2008).
   PubMed Web of Science ®Google Scholar
• Wang ML, Zhu C, Barkley NA et al. Genetic diversity and population structure analysis of accessions in the US historic sweet sorghum collection. Theor. Appl. Genet.120,13–23 (2009).
   PubMed Web of Science ®Google Scholar
• Troyer AF. Adaptedness and heterosis in corn and mule hybrids. Crop. Sci.46(2),528–543 (2006).
   Web of Science ®Google Scholar
• Eiland BR, Clayton JE, Bryan WL. Harvesting and storage of sweet sorghum biomass in Florida. Sugar J.45,17 (1982).
   Google Scholar
• Cundiff JS, Parrish DJ. Whole-stalk sweet sorghum storage. ASABE 83-3058 (1983).
   Google Scholar
• Jasberg BK, Montgomery RR, Anderson RA. Preservation of sweet sorghum biomass. Presented at: 5th Symposium on Biotechnology for Fuels and Chemicals. Gatlinburg, TN, USA, 10–13 May 1983.
   Google Scholar
• Daeschel MA, Mundt JO, McCary IE. Microbial changes in sweet sorghum (Sorghum bicolor) juices. Appl. Environ. Microbiol.42(2),381–382 (1981).
   PubMed Web of Science ®Google Scholar
• Bellmer D, Huhnke R, Kundiyana D, Vijayakumar P. Effect of yeast inoculation factors on sweet sorghum juice fermentation. Presented at: Bioenergy Engineering Conference of American Society of Agricultural and Biological Engineers. Bellevue, WA, USA, 11–14 October 2009.
   Google Scholar
• Wu X, Staggenborg S, Propheter JL, Rooney WL, Yu J, Wang D. Features of sweet sorghum juice and their performance in ethanol fermentation. Ind. Crops Prod.31,164–170 (2010).
   Web of Science ®Google Scholar
• Bennett AS, Annex RP. Production, transport and milling costs of sweet sorghum as a feedstock for centralized bioethanol production in the upper Midwest. Bioresour. Technol.100,1595–1607 (2009).
   PubMed Web of Science ®Google Scholar
• Kundiyana D, Bellmer D, Huhnke R, Wilkins M. ‘Sorganol’: production of ethanol from sweet sorghum. ASABE 066070 (2006).
   Google Scholar
• Schaffert R. EMBRAPA energy sorghum research and development update. Presented at: Annual Conference of the Sweet Sorghum Ethanol Association. Orlando, FL, USA, 28–29 January 2010.
   Google Scholar
• Rains GC, Cundiff JS, Vaughan DH. Development of a whole-stalk sweet sorghum harvester. Trans. Agric.33(1),56–62 (1990).
   Google Scholar
• Worley JW, Cundiff JS. System analysis of sweet sorghum harvest for ethanol production in the piedmont. Trans. ASAE34(2),539–547 (1991).
   Google Scholar
• McClune L. Sorganol. Presented at: Annual Conference of the Sweet Sorghum Ethanol Association. Orlando, FL, USA, 28–29 January 2010.
   Google Scholar
• Bryan WL, Monroe GE, Caussanel PM. Solid-phase fermentation and juice expression systems for sweet sorghum. Trans. ASABE28,268–274 (1985).
   Google Scholar
• Gibbons WR, Westby CA, Dobbs TL. Intermediate-scale, semicontinuous solid-phase fermentation process for production of fuel ethanol from sweet sorghum. Appl. Environ. Microbiol.51(1),115–122 (1986).
   PubMed Web of Science ®Google Scholar
• Kargi F, Curme JA, Sheehan JJ. Solid state fermentation of sweet sorghum to ethanol. Biotechnol. Bioeng.27,34–40 (1985).
   PubMed Web of Science ®Google Scholar
• Kargi F, Curme JA. Solid state fermentation of sweet sorghum to ethanol in a rotary-drum fermentor. Biotechnol. Bioeng.27,1122–1125 (1985).
   PubMed Web of Science ®Google Scholar
• Laopaiboon LP, Thanonkeo P, Jaisil P, Laopaiboon P. Ethanol production from sweet sorghum juice in batch and fed-batch fermentation by Saccharomyces cerevisiae.World J. Microbiol. Biotechnol.23,1497–1501 (2007).
   Web of Science ®Google Scholar
• Liu R, Li J, Shen F. Refining bioethanol from stalk juice of sweet sorghum by immobilized yeast fermentation. Renewable Energy33,1130–1135 (2008).
   Web of Science ®Google Scholar
• Eley MH, Schroer BJ, Adcock LE. Small-scale continuous distillation. Biotechnology and Bioengineering Symposium No. 1.663–668 (1983).
   Google Scholar
• US Department of Energy. Fuel from farms: a guide to small-scale ethanol production, second edition. Technical Information Office, Solar Energy Research Institute. CO, USA # SERI/SP-451-519R (1982).
   Google Scholar
• White HM. A review of problems in the small-scale farm production of ethanol. DOE Alcohol Fuels Program. # DOE/CE/50305-3 (1983).
   Google Scholar
• Simpson JR, Meng-Ji W, Ming-Song X, Shan CZ. China looks to sorghum for ethanol (Part 1). Feedstuffs79,36 (2007).
   Google Scholar
• Linden J, Henk L, Murphy V et al. Preservation of potential fermentables in sweet sorghum by ensiling. Biotechnol. Bioeng.30,860–867 (1987).
   PubMed Web of Science ®Google Scholar
• Belayachi L, Delmas M. Sweet sorghum bagasse: a raw material for the production of chemical paper pulp. Effect of depithing. Industrial Crops and Products6,229–232 (1997).
   Web of Science ®Google Scholar
• Sipos B, Reczey J, Somorai Z, Kadar Z, Dienes D, Reczey K. Sweet sorghum as feedstock for ethanol production: enzymatic hydrolysis of steam-pretreated bagasse. Appl. Biochem. Biotechnol.153,151–162 (2009).
   PubMed Web of Science ®Google Scholar
• Wilkie AC, Riedesel KJ, Owens JM. Stillage characterization and anaerobic treatment of ethanol stillage from conventional and cellulosic feedstocks. Biomass and Bioenergy19,63–102 (2000).
   Web of Science ®Google Scholar
• Parnaudeau VN, Condom N, Oliver R, Cazevieille P, Recous S. Vinasse organic matter quality and mineralization potential, as influenced by raw material, fermentation and concentration processes. Bioresource Technology99(6),1553–1562 (2008).
   PubMed Web of Science ®Google Scholar
• De Resende AS, Xavier RP, de Oliveira OC, Urquiaga S, Alves BJR, Boddey RM. Long-term effects of preharvest burning and nitrogen and vinasse applications on yield of sugarcane and soil carbon and nitrogen stocks on a plantation in Pernambuco NE Brazil. Plant and Soil281(1–2),339–351 (2005).
   Web of Science ®Google Scholar
• Batista Benke M. Characterization and interaction of sugarcane industry residues with soil, kaolinite and Fe-oxides. PhD Thesis, University of Saskatchewan, Canada (1998).
   Google Scholar
• Grassi G. Sweet Sorghum: one of the best world food-feed-energy crops. Report for the Latin America Thematic Network on Bioenergy (2005).
   Google Scholar
• Cortez LAB, Perez LEB. Experiences on vinasse disposal Part III: combustion of vinasse. Brazilian J. Chem. Eng.14(1), (1997).
   Google Scholar
• Baez-Smith C. Anaerobic digestion of vinasse for the production of methane in the sugarcane distillery. Proceedings of the Sugar Processing Research Institute (2006).
   Google Scholar
• Godshal MA. The potential of cane vinasse – composition, uses, and disposal. Proceedings of the Sugar Processing Research Institute.257–267, Aguas de Sao Pedro, Brazil, 17–20 September 2006.
   Google Scholar
• Bellmer D, Huhnke R. Shaping Oklahoma’s renewable energy future. Presented at USDA Grand Challenge Entry, Bioenergy Awareness Days. Washington, DC, USA, 19–21 June 2008.
   Google Scholar
• Lamb ME, Von Bargen K, Bashford LL. Mechanical expression of sweet sorghum juice. ASAE 82-3110 (1982).
   Google Scholar
• Monroe GE, Nichols RL, Bryan WL, Summer HR. Sweet sorghum juice extraction with 3-roll mills. Trans. ASAE27(3),651–654 (1984).
   Google Scholar
• Hettenhaus JR. Ethanol fermentation strains: present and future requirements for biomass to ethanol commercialization. Report to United States Department of Energy and National Renewable Energy Laboratory (1998).
   Google Scholar
• Food and Agriculture Organization of the United Nations. 1994. In: Integrated Energy Systems in China – the Cold Northeastern Rregion Experience. Nan L, Best G, Neto CC. Rome, Italy.
   Google Scholar
• Voegele E. Joint venture formed to fund sweet sorghum ethanol project. Ethanol Producer Magazine. November 2009.
   Google Scholar
• Grassi G, Dulobdas D, Capaccioli S, Grassi A. Small commercial sweet sorghum biorefinery (1000 ha plantation). Proceedings of the 17th European Biomass Conference and Exhibition. 1640, Hamburg, Germany, 29 June–3 July 2009.
   Google Scholar
• Hallam A, Anderson IC, Buxton DR. Comparative economic analysis of perennial, annual, and intercrops for biomass production. Biomass and Bioenergy21,407–424 (2001).
   Web of Science ®Google Scholar
• Smith GA, Buxton DR. Temperate zone sweet sorghum ethanol production potential. Bioresource Technology43,71–75 (1993).
   Web of Science ®Google Scholar
• Bellmer D, Huhnke R. Sweet sorghum trials across Oklahoma. In: Oklahoma Panhandle Research and Extension Center Research Highlights. March 2008.
   Google Scholar
• Hills FJ, Lewellen RT, Skoyen IO. Sweet sorghum cultivars for alcohol production. California Agriculture44(1),14–16 (1990).
   Google Scholar
• Powell R. Development of sweet sorghum ethanol in the mid-south Mississippi Delta. Presented at: Annual Conference of the Sweet Sorghum Ethanol Association. Orlando, FL, USA, 28–29 January 2010.
   Google Scholar
• Benner J. Sweet sorghum ethanol in Maryland. Presented at: Annual Conference of the Sweet Sorghum Ethanol Association. Orlando, FL, USA, 28–29 January 2010.
   Google Scholar
• Ricaud R, Martin FA, Cochran BJ. Sweet sorghum for biomass and alcohol production. Louisiana Agricultural Experiment Station24(4),18–19 (1981).
   Google Scholar
• Mastrorilli M, Katerji N, Rana G, Steduto P. Sweet sorghum in Mediterranean climate: radiation use and biomass water use efficiencies. Indust. Crops and Prod.3,253–260 (1995).
   Google Scholar
• Curt MD, Fernandez J, Martinez M. Productivity and water use efficiency of sweet sorghum (Sorghum bicolor (L.) Moench) cv. ‘Keller’ in relation to water regime. Biomass and Bioenergy8(6),401–409 (1995).
   Web of Science ®Google Scholar

▪ Websites

• University of Georgia Cooperative Extension Service. Growing sweet sorghum for syrup www.ces.uga.edu/Agriculture/agecon/pubs/sweetsorg.html.
   Google Scholar
• Chavarria JC. Application of distillery effluents for manufacture of bio-fertilizers www.SugarJournal.com
   Google Scholar
• Dar WD, Keatinge D. Sweet sorghum: food, feed, fodder and fuel crop. Publication of the International Crops Research Institute for the Semi-Arid Tropics www.icrisat.org
   Google Scholar
• AgBioworks www.agbioworks.org
   Google Scholar