Academic literature on the topic 'Sols – Teneur en azote'
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Journal articles on the topic "Sols – Teneur en azote"
Endamane, Ndzengboro, Ismaël Estimé Mbagou Mwe Zue Ona, Lyn Randy Essono Mbegha, and François Eba. "Diagnostic de l’état agropédologique des sols argileux de Kango au Gabon." Revue Africaine d’Environnement et d’Agriculture 6, no. 3 (October 21, 2023): 67–76. http://dx.doi.org/10.4314/rafea.v6i3.7.
Full textAssih, Alèdi, and Amen Yawo Nenonene. "Etat de fertilité des sols des vergers d’anacardiers (Anacardium occidentale L.) et ses effets sur la productivité en noix d’anacarde au Togo." International Journal of Biological and Chemical Sciences 16, no. 4 (October 29, 2022): 1448–58. http://dx.doi.org/10.4314/ijbcs.v16i4.8.
Full textNdiaye, O., AT Diop, LE Akpo, and M. Diene. "Dynamique de la teneur en carbone et en azote des sols dans les systèmes d’exploitation du Ferlo : cas du CRZ de Dahra." Journal of Applied Biosciences 83, no. 1 (January 27, 2015): 7554. http://dx.doi.org/10.4314/jab.v83i1.5.
Full textMande, Irène Kibal, Prosper Kanyankogote, Ruben Koy Kasongo, Paul Mafuka, Jeancy Ntuka Luta, Alasca Ekuya Lombolu, and Crispin Mulaji Kiela. "Impacts des caractéristiques physico-chimiques des sols sur la maladie de Konzo dans le territoire de Kahemba dans la province du Kwango en République Démocratique du Congo." Revue Africaine d’Environnement et d’Agriculture 6, no. 4 (January 9, 2024): 23–31. http://dx.doi.org/10.4314/rafea.v6i4.3.
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 textTavant, Y., H. Tavant, and S. Bruckert. "Suivi saisonnier des teneurs en azote minéral dans les sols forestiers du Jura, aux étages collinéen et montagnard." Annales des Sciences Forestières 46, no. 3 (1989): 291–300. http://dx.doi.org/10.1051/forest:19890308.
Full textOuimet, Rock, Jean-David Moore, and Louis Duchesne. "Évolution du statut nutritif des sapinières à la Forêt Montmorency entre 1967 et 2011." Foresterie 139, no. 2 (May 25, 2015): 35–41. http://dx.doi.org/10.7202/1030819ar.
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 textAghzar, N., H. Berdai, A. Bellouti, and B. Soudi. "Pollution nitrique des eaux souterraines au Tadla (Maroc)." Revue des sciences de l'eau 15, no. 2 (April 12, 2005): 459–92. http://dx.doi.org/10.7202/705465ar.
Full textEkuya, Alasca Lombolu, Jeancy Ntuka Luta, Irene Kibal Mande, and Paul Mafuka Mbe-Mpie. "Physico-chemical characteristics of the biochars of Acacia sp, Bambusa sp, Eichchornia crassipes and Hymenocardia acida." Journal of Applied Biosciences 170 (February 28, 2022): 17680–89. http://dx.doi.org/10.35759/jabs.170.2.
Full textDissertations / Theses on the topic "Sols – Teneur en azote"
Néel, Catherine. "Modélisation couplée du transfert et des transformations de l'azote : paramétrisation et évaluation d'un modèle en sol nu." Paris 6, 1996. http://www.theses.fr/1996PA066308.
Full textDjegui, Narcisse. "Influence des systèmes de cultures sur le statut organique (particulièrement sur la dynamique de l'azote) des sols sur terres de barre du Sud-Bénin." Toulouse, INPT, 1992. http://www.theses.fr/1992INPT001A.
Full textScheiner, Javier David. "Spéciation du carbone, de l'azote et du phosphore de différentes boues de stations d'épuration au cours de leurs incubations contrölées dans deux types de sol." Toulouse, INPT, 2005. http://ethesis.inp-toulouse.fr/archive/00000379/.
Full textRecous, Sylvie. "Dynamique de l'azote en sol cultivé : organisation microbienne des formes ammoniacale et nitrique, conséquences sur l'utilisation de l'azote des engrais par une culture de blé." Lyon 1, 1988. http://www.theses.fr/1988LYO10049.
Full textRezgui, Cyrine. "Etude du potentiel d'introduction de la culture du pois d'hiver dans les successions culturales en Normandie : conséquences sur les communautés microbiennes du sol et les flux d'azote Impacts of the winter pea crop (instead of rapeseed) on soil microbial communities, nitrogen balance and wheat yield Quantification et analyse des exsudats racinaires de pois, de blé et de colza : mise au point d’une méthodologie de collecte des exsudats racinaires N rhizodeposition quantification and root exudates characterization of pea (Pisum Sativum L.), rapeseed (Brassica napus L.) and wheat (Triticum aestivum L.) under controlled conditions Linking soil microbial community to C and N dynamics during crop residues decomposition." Thesis, Normandie, 2020. http://www.theses.fr/2020NORMR047.
Full textThe agroecological transition targets triple agronomic, ecological, and societal performance of farms. Some new agricultural practices had emerged to develop a new cropping system to respond to these constraints. Legumes constitute an interesting alternative. Indeed, legumes are advantageous for soils due to their symbiotic relationship with nitrogen-fixing bacteria. The presence of compatible rhizobia combined to nitrogen-limited conditions promotes symbiosis which is the most efficient way for legumes to acquire more nitrogen. Compared with non-nodulated plants, symbiosis provides a competitive advantage by increasing soil nitrogen pool. However, some grain legumes, notably winter pea, are rarely studied, especially in the Normandy region where no reference has been published for this crop. The objective of this study is to compare two crop successions for a period of two years (winter pea-wheat and rapeseed-wheat), in order to assess the effect of replacing rapeseed by winter pea at the head of the rotation .We evaluated the effect of these two crops (winter pea vs rapeseed) on the biological state of the soil and nitrogen fluxes at different spatio-temporal scales. The results showed a significant spatio-temporal effect on the response of soil microbial communities and highlighted the importance of the pedoclimatic context in determining the abundance and activity of soil microbial communities. A positive effect of winter pea has been demonstrated on the availability of mineral nitrogen during the crop cycle and for following crops (wheat and barley). The supply of nitrogen to the soil is linked to the rhizodeposition of nitrogen via plants roots and the degradation of crop residues after harvest. Our results showed that winter pea exhibited the greatest amount of nitrogen rhizodeposition. However, rhizodeposition did not have a significant impact on rhizospheric microbial communities. Contrary to these observations, the degradation of crop residues significantly modified the composition of bacterial communities linked to their initial biochemical composition. Crop succession including winter pea enriched the soil with mineral nitrogen but simulation with STICS software revealed a nitrogen leaching around of 23 kg N. ha-1 during the cropping cycle. These findings underline the importance of adapting an adequate crop management system, including winter pea, to limit nitrogen losses. The results showed also that wheat yields after winter pea without the use of nitrogen fertilizers were equivalent to those obtained after rapeseed. However, rapeseed required significant nitrogen fertilization. Including winter pea in crop rotation in Normandy region may be a key to enhance productivity, to respond to the challenges of agroecological transition, regional protein autonomy, and to reduce environmental and economic costs, by reducing notably, the costs of fertilizers production and uses
Sallih, 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 textClark, Karen. "Transformations de l'azote dans deux sols froids après l'application d'un lisier de porc enrichi en ¹⁵N." Master's thesis, Université Laval, 2007. http://hdl.handle.net/20.500.11794/19296.
Full textPérié, Catherine. "Étude de la variabilité spatio-temporelle d'indicateurs de la qualité des sols pour le suivi des traitements sylvicoles." Doctoral thesis, Université Laval, 2003. http://hdl.handle.net/20.500.11794/17861.
Full textTrinsoutrot-Gattin, Isabelle. "Influence de la qualité biochimique et de la teneur en azote de résidus de colza (Brassica napus L) sur les biotransformations du carbone et de l'azote au cours de leur décomposition dans le sol." Lyon 1, 1999. http://www.theses.fr/1999LYO10070.
Full textAschi, Amira. "Effets des pratiques innovantes sur les communautés microbiennes des sols agricoles et les fonctions associées : cas particuliers de l'introduction de légumineuses et du travail du sol." Rouen, 2016. http://www.theses.fr/2016ROUES023.
Full textThe intensification of agriculture, which began in the mid 20th century, led to negative impacts on soil physical, chemical and biological characteristics causing a strong decline in their biodiversity. To address these threats, new agricultural practices have emerged to preserve the physical and biological integrity of the soils. These practices, namely innovative practices, include reduced tillage, crop residues management, permanent cover crop or the introduction of legumes in rotations. Considering the changes in agricultural practices, the aim of this thesis was to understand the combined effects of reduced tillage and the introduction of faba bean in crop rotations on the structure of soil microbial communities and soil functions these communities support. The central hypothesis was that the combination of reduced tillage and the introduction of the legume in the rotation improved the structure of microbial communities, enzyme activities and soil nitrogen dynamics. Two approaches were used to evaluate the effect of these innovative practices on the soil microbial communities and the resulting functions. The first approach was a single-factor / single-site approach designed to assess the individual effect of reduced tillage on one hand, and the introduction of the legume on the other hand both under controlled field conditions. The second approach was a multi-factorial approach / multisite approach aiming at investigating the combined effects of these two innovative practices taking into account various farmers’ practices related to the implementation of these innovative practices in farm conditions. The individual effect of the introduction of legume induced modification in the structure of soil microbial communities and the increase of enzyme activities. Moreover, the response of enzyme activities to soil tillage conversion showed significant enhancement by the reduced tillage / no tillage. The multi-factorial / multi-site approach showed that the combinations of these innovative practices are suitable to the soil microbial communities: (i) the presence of the legume as previous crop combined to conventional tillage modified the structure of microbial communities or (ii) the effect of the presence of legume three years before wheat persists under reduced tillage. However, microbial functions and nitrogen dynamics were not affected. Moreover, multi-factorial approach showed that the benefits of these innovative practices cannot be established without considering the whole variability brought by farmers’ practices around the implementation of these two innovative practices. Finally, the observations made with the two approaches suggest a crucial role of microbial communities and their activities on the carbon and nitrogen cycles. These findings have a special resonance in the context of agriculture on-going transformations and the suggestion of new practices that could change the soil biological functioning
Books on the topic "Sols – Teneur en azote"
MacDonald, K. Bruce. Indicator of risk of water contamination: Nitrogen component. Ottawa: Agriculture and Agri-Food Canada, 1996.
Find full textLaurent, Claire. Contamination des sols: Transferts des sols ver les animaux. Les Ulis: EDP Science, 2005.
Find full textLaurent, Claire. Contamination des sols: Transferts des sols vers les animaux. Les Ulis [France]: EDP Sciences, 2005.
Find full textSmith, W. Soil degradation risk indicator: Organic carbon component. Ottawa: Agriculture and Agri-Food Canada, 1997.
Find full textVercammen, James. Dynamic economic modeling of soil carbon. [Ottawa]: Agriculture and Agri-Food Canada, 2002.
Find full textIhnat, M. Concentrations and variability of major, minor and trace elements in soils and crops from two Humic gleysol fields in southeastern Ontario, Canada. Ottawa, Ont: Research Branch, Agriculture and Agri-Food Canada, 1996.
Find full textKirkham, M. B., and Iskandar Karam Iskandar. Trace elements in soil: Bioavailability, flux, and transfer. Boca Raton, Fla: Lewis Publishers, 2001.
Find full textM, Kimble J., Lal R, and Follett R. F. 1939-, eds. Agricultural practices and policies for carbon sequestration in soil. Boca Raton, Fla: Lewis Publishers, 2002.
Find full textHewitt, Alan D. Storage and preservation of soil samples for volatile compound analysis. Hanover, N.H: U.S. Army Cold Regions Research and Engineering Laboratory, 1999.
Find full textSoil quality standards for trace elements: Derivation, implementation, and interpretation. Boca Raton, FL: CRC Press, 2011.
Find full textBook chapters on the topic "Sols – Teneur en azote"
CHANZY, André, Patrick BERTUZZI, and Laurent BRUCKLER. "Estimation de la teneur en eau de surface des sols nus à l’aide des mesures hyperfréquences actives." In Télédétection de l'environnement dans l'espace francophone, 55–74. Presses de l'Université du Québec, 2011. http://dx.doi.org/10.2307/j.ctv18pgwp2.10.
Full textConference papers on the topic "Sols – Teneur en azote"
GROVEL, Alain. "Comportement des ouvrages sur sols marins à forte teneur en hydroxyde de fer." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2009. http://dx.doi.org/10.5150/cmcm.2009.007-2.
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