Energy cover crops for biogas production increase soil organic carbon stocks: a modeling approach
| hal.structure.identifier | Ecologie fonctionnelle et écotoxicologie des agroécosystèmes [ECOSYS] | |
| dc.contributor.author | LEVAVASSEUR, Florent | |
| hal.structure.identifier | Agroécologie et Intensification Durables des cultures annuelles [UPR AIDA] | |
| hal.structure.identifier | Département Performances des systèmes de production et de transformation tropicaux [Cirad-PERSYST] | |
| dc.contributor.author | KOUAKOU, Patrice | |
| hal.structure.identifier | AGroécologie, Innovations, teRritoires [AGIR] | |
| dc.contributor.author | CONSTANTIN, Julie | |
| hal.structure.identifier | INRAE Transfert Environnement [Narbonne] | |
| dc.contributor.author | CRESSON, Romain | |
| hal.structure.identifier | Agrosystèmes et impacts environnementaux carbone-azote [Agro-Impact] | |
| hal.structure.identifier | BioEcoAgro - UMR transfrontalière INRAe - UMRT1158 | |
| dc.contributor.author | FERCHAUD, Fabien | |
| hal.structure.identifier | Optimisation des procédés en Agriculture, Agroalimentaire et Environnement [UR OPAALE] | |
| dc.contributor.author | GIRAULT, Romain | |
| hal.structure.identifier | Gaz Réseau Distribution France [GRDF] | |
| dc.contributor.author | JEAN-BAPTISTE, Vincent | |
| hal.structure.identifier | ARVALIS - Institut du végétal [Paris] | |
| dc.contributor.author | LAGRANGE, Hélène | |
| hal.structure.identifier | ARVALIS - Institut du végétal [Paris] | |
| dc.contributor.author | MARSAC, Sylvain | |
| hal.structure.identifier | Interactions Sol Plante Atmosphère [UMR ISPA] | |
| dc.contributor.author | PELLERIN, Sylvain | |
| hal.structure.identifier | Ecologie fonctionnelle et écotoxicologie des agroécosystèmes [ECOSYS] | |
| dc.contributor.author | HOUOT, Sabine | |
| dc.date.accessioned | 2024-04-08T11:44:44Z | |
| dc.date.available | 2024-04-08T11:44:44Z | |
| dc.date.issued | 2023 | |
| dc.identifier.issn | 1757-1693 | |
| dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/195166 | |
| dc.description.abstractEn | Energy cover crops for biogas production through anaerobic digestion (AD) are inserted between two primary crops. They replace either bare soil or non-harvested cover crops, and their management is usually intensified to produce more biomass. They allow the production of renewable energy as well as diges-tate, used as an organic fertilizer, without directly competing with food produc-tion. Because of the increased biomass production and export and of the return of a digested biomass to the soil, the impact of energy cover crops on soil organic carbon (SOC) is questioned. The objective of this paper was to study the differ-ence in SOC stocks induced by the introduction of energy cover crops for AD coupled with the application of the resulting amount of digestate. We used the AD model Sys- Metha combined with the soil C model AMG to simulate SOC stocks for 13 case studies in France, with scenarios comparing different inter-crop management practices, with or without cover crops, harvested or not. Our results indicated that the higher biomass production of energy cover crops (from 6.7 to 11.1 t DM ha−1) in comparison with nonharvested cover crops (2 t DM ha−1) or bare soil led to higher humified C input (belowground input and digestate), despite the high C fraction exported in AD. This resulted in an increase in SOC stocks in comparison with nonharvested cover crops or bare soil (from 0.01 to 0.12 t C ha−1 year−1 over 30 years). The uncertainties in the model parameters did not modify these results. However, in the case of equal biomass production be-tween energy cover crops and nonharvested cover crops, SOC stocks would be lower with energy cover crops. | |
| dc.language.iso | en | |
| dc.rights.uri | http://creativecommons.org/licenses/by/ | |
| dc.subject.en | AMG | |
| dc.subject.en | anaerobic digestion | |
| dc.subject.en | arable crops | |
| dc.subject.en | biogas | |
| dc.subject.en | cover crop | |
| dc.subject.en | France | |
| dc.subject.en | modeling | |
| dc.subject.en | SOC | |
| dc.subject.en | Sys- Metha | |
| dc.title.en | Energy cover crops for biogas production increase soil organic carbon stocks: a modeling approach | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1111/gcbb.13018 | |
| dc.subject.hal | Sciences du Vivant [q-bio]/Sciences agricoles | |
| bordeaux.journal | Global Change Biology - Bioenergy | |
| bordeaux.page | 224-238 | |
| bordeaux.volume | 15 | |
| bordeaux.hal.laboratories | Interactions Soil Plant Atmosphere (ISPA) - UMR 1391 | * |
| bordeaux.issue | 2 | |
| bordeaux.institution | Bordeaux Sciences Agro | |
| bordeaux.institution | INRAE | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-03876320 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-03876320v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Global%20Change%20Biology%20-%20Bioenergy&rft.date=2023&rft.volume=15&rft.issue=2&rft.spage=224-238&rft.epage=224-238&rft.eissn=1757-1693&rft.issn=1757-1693&rft.au=LEVAVASSEUR,%20Florent&KOUAKOU,%20Patrice&CONSTANTIN,%20Julie&CRESSON,%20Romain&FERCHAUD,%20Fabien&rft.genre=article |
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