Academic literature on the topic 'Minéralisation du carbone organique des sols'
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Journal articles on the topic "Minéralisation du carbone organique des sols"
Gilliot, Jean-Marc, Emmanuelle Vaudour, Joël Michelin, and Sabine Houot. "Estimation des teneurs en carbone organique des sols agricoles par télédétection par drone." Revue Française de Photogrammétrie et de Télédétection, no. 213 (April 26, 2017): 105–15. http://dx.doi.org/10.52638/rfpt.2017.193.
Full textCourte, Amandine, Nathalie Cialdella, Alexandre Muller, Vincent Blanfort, Jean-Luc Bochu, and Michel Brossard. "Recenser et évaluer les pratiques agricoles qui stockent le carbone des sols, premier pas vers une agriculture à faible impact en Guyane." Cahiers Agricultures 29 (2020): 21. http://dx.doi.org/10.1051/cagri/2020019.
Full textRazafimbelo, Tantely Maminiaina, Andry Andriamananjara, Tovonarivo Rafolisy, Herintsitohaina Razakamanarivo, Dominique Masse, Eric Blanchart, Marie-Virginie Falinirina, Laetitia Bernard, Nasandratra Ravonjiarison, and Alain Albrecht. "Impact de l’agriculture climato-intelligente sur les stocks de carbone organique du sol à Madagascar." Cahiers Agricultures 27, no. 3 (May 2018): 35001. http://dx.doi.org/10.1051/cagri/2018017.
Full textTavant, Yvette, Hubert Tavant, and Sylvain Bruckert. "Variation du carbone organique en fonction des propriétés des sols et de l'altitude dans le Jura (France)." Geoderma 61, no. 1-2 (February 1994): 133–41. http://dx.doi.org/10.1016/0016-7061(94)90015-9.
Full textDoumbia, Salif, Sidiki G. Dembele, Fagaye Sissoko, Odiaba Samake, Fernando Sousa, Harun Cicek, Noah Adamtey, and Andreas Fliessbach. "Evaluation de la fertilité des sols et les rendements de cotonnier, maïs et sorgho à >Gliricidia sepium (Jacq.) Kunth ex. Walp." International Journal of Biological and Chemical Sciences 14, no. 7 (December 7, 2020): 2583–98. http://dx.doi.org/10.4314/ijbcs.v14i7.17.
Full textAsslouj, Jaouad El, Sanae Kholtei, Namira El Amrani-Paaza, and Abderrauf Hilali. "Impact des activités anthropiques sur la qualité des eaux souterraines de la communauté Mzamza (Chaouia, Maroc)**." Revue des sciences de l'eau 20, no. 3 (October 1, 2007): 309–21. http://dx.doi.org/10.7202/016505ar.
Full textHADIDI, M., B. BAHLAOUAN, S. ASSABA, F. Z. OZI, A. FATHI, S. EL ANTRI, and N. BOUTALEB. "Optimisation de la production du biogaz par les plans de mélanges de déchets agro-industriels et biofertilisation par les résidus de codigestion." Techniques Sciences Méthodes, no. 10 (October 20, 2020): 53–66. http://dx.doi.org/10.36904/tsm/202010053.
Full textSoutter, M., and M. Musy. "Contamination des eaux souterraines par des pesticides: cartes de risque et d'incertitudes." Revue des sciences de l'eau 10, no. 1 (April 12, 2005): 103–20. http://dx.doi.org/10.7202/705272ar.
Full textRazakamanarivo, Ramarson Herintsitohaina, Marie-Antoinette Razafindrakoto, and Alain Albrecht. "Fonction puits de carbone des taillis d'eucalyptus à Madagascar." BOIS & FORETS DES TROPIQUES 305, no. 305 (September 1, 2010): 5. http://dx.doi.org/10.19182/bft2010.305.a20438.
Full textLiénard, Amandine, and Gilles Colinet. "Transfert en cadmium et zinc vers l’orge de printemps en sols contaminés et non contaminés de Belgique : évaluation et prédiction." Cahiers Agricultures 27, no. 2 (February 28, 2018): 25002. http://dx.doi.org/10.1051/cagri/2018008.
Full textDissertations / Theses on the topic "Minéralisation du carbone organique des sols"
Keraval, Benoît. "Les métabolismes oxydatifs extracellulaires : une nouvelle vision des processus de minéralisation du carbone organique du sol." Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22740/document.
Full textSallih, Zaher. "Relations entre activité rhizosphérique et décomposition de la matière organique des sols au niveau de la biomasse microbienne et de la minéralisation du carbone et de l'azote." Montpellier 2, 1990. http://www.theses.fr/1990MON20138.
Full textTete, Kwami Emmanuel. "Dynamique intra-annuelle de la minéralisation du carbone organique dans les sols minéraux hydromorphes et à l’échelle du versant agricole." Rennes, Agrocampus Ouest, 2014. http://www.theses.fr/2014NSARD075.
Full textGlobal warming is expected to affect soil water regime and their impact on soil organic matter dynamics. Hydromorphic minerals soils characterized by the alternation of water saturation and non-saturation conditions are the places of specific biogeochemical processes, regimes of carbon supply and they play an important role in carbon sequestration. However, very few studies have addressed the dynamics of organic carbon (C) mineralization in these soils and the role of water regime. The general objective of the thesis is to characterize the effects of hydromorphic soil water regime on the dynamics of C mineralization to the intra-annual scale and in an agricultural context. The studied site is an agricultural hillslope which is one of the sites of Environment research Observatory (ORE AgrHys) located in the Kerrolland locality (Naizin, France). It presents a juxtaposition of poorly-drained hydromorphic area and well-drained area, with different soil water regimes. The effects of the durations of saturation and transient saturation conditions (alternation of saturation and non-saturation conditions), characteristics of hydromorphic minerals soils, on C dynamics (dynamics of mineralization rate, dynamics of CO2 emissions, organic and inorganic dissolved dynamics and coupled nitrogen dynamics) were evaluated through incubation experiments. Furthermore, in-situ measurements of soil CO2 effluxes during one year, were performed in order to characterize the effects of soil drainage and hydromorphic gradient on the spatio-temporal variability of C mineralization across the studied hillslope. In incubation conditions, C mineralization in saturation conditions was two times lower than non-saturation conditions. In saturations conditions, C mineralization dynamics was unaffected by the durations of saturation, contrary to the dynamics of C mineralization during desaturation. Saturation conditions favored production and accumulation of labile organic compounds whose rapid mineralization during desaturation resulted in flush of CO2 emissions. Therefore, more the duration of previous saturation conditions is long more the C mineralization rate during desaturation is high. Transient saturation conditions resulted in an increase in the total amount of C mineralized, that reached the same orders of magnitude than that of soils maintained in non-saturation conditions. In-situ, depending on the season, well-drained soil CO2 effluxes were two to five times higher than that of hydromorphic minerals soils. At annual-scale, the soil water regime of hydromorphic minerals soils induced 37 to 41% reduction in CO2–C emissions compared with well-drained soils. This study contributes to understand the role of soil water regime in the dynamics of C mineralization in hydromorphic minerals soils. These results may be used to identify the role of hydromorphic soils
Hellequin, Eve. "Effets des biostimulants sur le fonctionnement biologique de sols d’agrosystèmes : réponses des communautés microbiennes et dynamique de minéralisation du carbone organique." Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1B029.
Full textModern agriculture is undergoing important changes toward agroecological practices that rely on biodiversity and ecological processes. In agrosystems, the organic matter is the key of the soil fertility and an important reserve of carbon. Organic fertilization by crop residues is therefore an agricultural practice that improve the organic matter content in soil. Soil microorganisms have an important role in the organic carbon (orgC) dynamic because they are key players of its mineralization and are involved in the nutrients recycling. Thus, the use of agricultural biostimulant (BS) intended to enhance this microbial function is proposed as an alternative solution to improve indirectly plant growth while reducing chemical inputs. This thesis aimed to i) identify the effect of soil biostimulant on heterotrophic microbial communities, the orgC mineralization and the nutrient releases, ii) evaluate its genericity by testing different experimental conditions and iii) identify the environmental filters that control both the microbial communities and the mineralization function. We showed that the orgC dynamic was different according to contrasted physico-chemical and biological characteristics of different soils. We showed that plants can also influence the orgC dynamic by returning litter to the soil and through its root effect on the bacterial and fungal communities. Unlike plants, the amount of orgC provided by the two tested BS was negligible. However, we evaluated the effect of one BS as at least similar or even higher than those of plant on active bacterial and fungal abundances, richness and diversity. Among the two BS tested we showed that one enhanced the orgC mineralization by recruiting indigenous soil bacterial and fungal decomposers and that the other did not affect the orgC mineralization but activated indigenous soil plant-growth-promoting bacteria as well as soil bacterial and fungal decomposers. Furthermore, our study call for new normative methodological and systemic approach by monitoring simultaneously several descriptors for advancing our knowledge on BS action on microbial soil functioning
Guenet, Bertrand. "Interactions entre les entrées de matières organiques fraîches et la minéralisation des matières organiques des sols." Paris 6, 2009. http://www.theses.fr/2009PA066445.
Full textFontaine, Sébastien. "Rôle des composés énergétiques sur la minéralisation des matières organiques du sol : Conceptualisation, modélisation expérimentales et conséquences." Paris, Institut national d'agronomie de Paris Grignon, 2002. http://www.theses.fr/2002INAP0052.
Full textYemadje, Pierrot Lionel. "Influence des cycles humectation-dessiccation sur la minéralisation du carbone : cas de la zone cotonnière du Nord Cameroun." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS209/document.
Full textSoil as a major storage component for terrestrial ecosystem’s organic carbon plays an important role in regulating climate and agricultural production. Any variation of carbon fluxes between the atmosphere and the terrestrial ecosystem can have a significant impact on the increase of carbon dioxide in the atmosphere but also the decrease in soil organic matter and thus accelarate soil fertility degradation. In northern Cameroon, the transition period between long dry periods with a wet season is characterized by very irregular rainfall that can last several weeks. These wetting-drying cycles can accentuate the mineralization of soil organic carbon and nutrient cycling. The objective of this study is to assess the impact of wet-dry cycles on carbon mineralization in a sudano-sahelian context. From methodological stand field measurements require to study the soil respiration variation over 24 hours after a wet period. This methodological test has shown that soil respiration has a quadratic curve during the day, becoming almost linear during the night. The temperature and soil moisture have explained together the variation over 24 hours (at least 73% ; p< 0.001). These observations have been used to propose a method for estimating the mean daytime and nighttime soil respiration after wetting the soil. Indeed the method proposed in this study has the advantage of being based on a small number of measurements and is, therefore, easier to implement to monitor 24-h soil respiration after the first rains following a long dry period. A first experiment has shown that the wetting of the soil and mulching increased soil carbon mineralization. However, wetting-drying cycles on soil did not increase the cumulative mineralization of soil carbon more than keeping the soil continuously moist. Indeed, in northern Cameroon, the rapid mineralization of crop residues makes it difficult to increase soil carbon stocks by mulching. In a second laboratory experiment, the wetting-drying cycles did not increase organic carbon and nitrogen mineralization from soils added with straw. However, carbon dioxide emissions increased on straw amended soils compared to soils without straw. This addition of the labeled straw increased mineralization of soil organic matter (priming effect). The mineralization of the straw also decreased with the wetting-drying cycles, thus the amount of straw remaining on soils was 102 µg C g-1 soil on re-wetted soils compared to 48 µg C g-1 soil for those with constant moisture. The lack of response for C and N mineralization during wetting-drying cycles may be linked to a decrease of microbial activity during dry periods and the lack of a steady increase in the carbon mineralization rate with subsequent wetting-drying cycles
Juarez, Sabrina. "Régulations biotiques et abiotiques de la décomposition des matières organiques des sols." Phd thesis, AgroParisTech, 2013. http://pastel.archives-ouvertes.fr/pastel-01049725.
Full textNiknahad, Ghar Makher Hamid. "Minéralisation du soufre associée à la décomposition des matières organiques dans les sols et relations avec les dynamiques du carbone et de l'azote." Paris, AgroParisTech, 2008. http://www.theses.fr/2008AGPT0051.
Full textGauthier, Anthony. "Production et devenir des matières organiques dissoutes dans les hydrosystèmes faiblement anthropisés." Phd thesis, Université de Bourgogne, 2009. http://tel.archives-ouvertes.fr/tel-00450229.
Full textBook chapters on the topic "Minéralisation du carbone organique des sols"
Sabir, Mohamed, René Sagno, Quinette Tchintchin, Hafida Zaher, and Hassan Benjelloun. "Chapitre 3. Évaluation des stocks de carbone organique dans les sols au Maroc." In Carbone des sols en Afrique, 71–90. IRD Éditions, 2020. http://dx.doi.org/10.4000/books.irdeditions.34902.
Full textVerdoodt, Ann, Geert Baert, Jean Chapelle, and Eric Van Ranst. "Chapitre 4. Étude préliminaire à la spatialisation des stocks de carbone organique des sols au Rwanda." In Carbone des sols en Afrique, 91–98. IRD Éditions, 2020. http://dx.doi.org/10.4000/books.irdeditions.34907.
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