Diversifying biomass uses through new cropping systems

Goebel François-Régis, Chopart Jean-Louis, Poser Christophe, Braconnier Serge, Martiné Jean-François, Gérardeaux Edward. 2017. Diversifying biomass uses through new cropping systems. In : Sustainable development and tropical agri-chains. Biénabe Estelle (ed.), Rival Alain (ed.), Loeillet Denis (ed.). Dordrecht : Springer, pp. 187-200. ISBN 978-94-024-1015-0

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Abstract : Global demand for renewable energy from plant biomass is growing steadily as a result of policy choices, demographics, and rising per capita energy needs. This energy requirement is turning out to be a major obstacle to economic development on tropical islands and remote landlocked areas. Thus, sugarcane is no longer cultivated exclusively for sugar but also for its biomass which, when burnt, helps produce electricity. In Guadeloupe, there are plans to generate electricity from almost total sugarcane combustion. It has also become possible to produce second-generation ethanol from aboveground plant parts. To this end, CIRAD selected sugarcane and sorghum as model plants to conduct several projects in partnership that helped identify suitable planting material and agricultural practices producing 67–85 T/ha/year of sugarcane dry matter (DM) and 30–50 T/ha/year of sorghum DM. Various cultivation models were calibrated to extend the scope of the results to other areas or climatic conditions. In projects on sugarcane, biomass is used to generate electricity through combustion, while the Sweetfuel project uses sorghum biomass to produce bioethanol. The diversification of products in sugarcane and sorghum chains can offer producers and industrial actors new outlets in an environmental context that is not only increasingly constrained (pesticide reduction, climate change) but is also becoming increasingly competitive due to the liberalization of the sugar market. (Résumé d'auteur)

Mots-clés Agrovoc : Biomasse, Production énergétique, Système de culture, Conditions météorologiques, Étude de cas, Canne à sucre, Saccharum officinarum, Bagasse, Électricité, Sorgho, Sorghum bicolor, Biocarburant, Bioénergie, Éthanol, Pratique culturale, Changement technologique, Utilisation, Diversification, Fertilité du sol, sécurité alimentaire, Zone tropicale, Zone semi-aride, Zone tempérée, Projet de recherche, Innovation, Développement durable

Mots-clés géographiques Agrovoc : Guadeloupe, Réunion, Brésil

Classification Agris : F08 - Cropping patterns and systems
P06 - Renewable energy resources
E14 - Development economics and policies
F01 - Crops
Q60 - Processing of non-food or non-feed agricultural products

Champ stratégique Cirad : Axe 2 (2014-2018) - Valorisation de la biomasse

Auteurs et affiliations

  • Goebel François-Régis, CIRAD-PERSYST-UPR AIDA (FRA) ORCID: 0000-0002-5438-1078
  • Chopart Jean-Louis
  • Poser Christophe, CIRAD-PERSYST-UPR AIDA (REU)
  • Braconnier Serge, CIRAD-BIOS-UMR AGAP (FRA)
  • Martiné Jean-François, CIRAD-PERSYST-UPR AIDA (FRA)
  • Gérardeaux Edward, CIRAD-PERSYST-UPR AIDA (FRA)

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