Academic literature on the topic 'Rendement potentiel'
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Journal articles on the topic "Rendement potentiel"
Khattabi, H., L. Aleya, and J. Mania. "Lagunage naturel de lixiviat de décharge." Revue des sciences de l'eau 15, no. 1 (April 12, 2005): 411–19. http://dx.doi.org/10.7202/705462ar.
Full textBelzile, Lucius. "Rendement potentiel en semence l'année du semis de cultivars de trèfle rouge." Canadian Journal of Plant Science 74, no. 4 (October 1, 1994): 807–9. http://dx.doi.org/10.4141/cjps94-144.
Full textTryssenaar, Joyce, Shannon Wilkinson, and Cathy Bailey. "Itinérance, santé mentale et ergothérapie. Une expérience qui confirme d’étonnantes possibilités." Santé mentale au Québec 25, no. 2 (January 30, 2007): 109–31. http://dx.doi.org/10.7202/014454ar.
Full textLetarte, Marie-Josée, Marie-France Nadeau, Julie Lessard, Sylvie Normandeau, and Julie Allard. "Le rôle de la collaboration famille-école dans la réussite scolaire d’enfants ayant un trouble de déficit de l’attention/hyperactivité." Service social 57, no. 2 (October 21, 2011): 20–36. http://dx.doi.org/10.7202/1006291ar.
Full textWang, N., W. Vandepitte, J. Nouwen, and R. Carbonez. "Croisement de bovins de races Holstein Frisonne, Brown Swiss et Sanga au Zaïre. I. Production laitière." Revue d’élevage et de médecine vétérinaire des pays tropicaux 45, no. 3-4 (March 1, 1992): 349–52. http://dx.doi.org/10.19182/remvt.8930.
Full textSiene, Laopé Ambroise Casimir, Mohamed Doumbouya, Mohamed Sahabane Traore, Mariame Conde, Tah Valentin Felix N’guettia, and Mamadou Kone. "Effet de quatre types de fertilisants sur la croissance et la productivité de deux génotypes de maïs (Zea mays L.) en cas d’un semis tardif à Korhogo au Centre-Nord de la Côte d’Ivoire." International Journal of Biological and Chemical Sciences 14, no. 1 (April 3, 2020): 55–68. http://dx.doi.org/10.4314/ijbcs.v14i1.6.
Full textBen Amor Ben Hamida, Thouraya. "Défigement et traduction intralinguale et interlinguale1." Meta 53, no. 2 (August 4, 2008): 443–55. http://dx.doi.org/10.7202/018529ar.
Full textLachibi, Moussa, Fouèd Chehat, and Fathi Abdellatif Belhouadjeb. "Les facteurs influençant le rendement oléicole : cas de la région de Jijel du Nord-Est algérien." OCL 26 (2019): 12. http://dx.doi.org/10.1051/ocl/2019008.
Full textGauthier, Martin, and Vincent Morin. "Les dérives des marchés financiers." Revue Organisations & territoires 26, no. 1-2 (September 1, 2017): 15–24. http://dx.doi.org/10.1522/revueot.v26i1-2.195.
Full textVolk, C., C. Renner, and J. C. Joret. "La mesure du CODB : un index du potentiel de reviviscence bactérienne des eaux." Revue des sciences de l'eau 5 (April 12, 2005): 189–205. http://dx.doi.org/10.7202/705160ar.
Full textDissertations / Theses on the topic "Rendement potentiel"
Kone, Marihouma. "Évaluation du potentiel agronomique de fourrages riches en tanins condensés ou en lactones sesquiterpènes dans quatre régions du Québec." Master's thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/36620.
Full textThe objective was to evaluate the agronomic potential, namely establishment, winter survival, biomass production, and nutritive value of novel forage species with a high content of condensed tanins or sesquiterpene lactones grown in pure stand or in mixture with two forage grasses, timothy (Phleum pratense L.) and meadow fescue (Festuca pratense Huds.), under pasture management in four climatic regions of Quebec. The field experiment took place in Sainte-Anne-de-Bellevue (Montreal region), Saint-Augustin-de- Desmaures (Capitale-Nationale region), La Pocatière (Bas-Saint-Laurent region), and Normandin (Saguenay-Lac-Saint-Jean region), over two years (2016 and 2017). At all study sites in 2017, chicory (Cichorium intybus L.) and birdsfoot trefoil (Lotus corniculatus L.) had satisfactory yields compared to alfalfa at all sites, while sainfoin (Onobrychis vicifolia Scop.) did not perform well. Sainfoin had the highest content of condensed tanins (average of 10.7 g kg-1 dry matter) and moderately and slowly degradable proteins.
Pillatsch, Lex. "Bombardement ionique O‾, F‾, Br‾ et l‾ en SIMS : génération par duoplasmatron et étude du potentiel analytique." Thesis, Vandoeuvre-les-Nancy, INPL, 2010. http://www.theses.fr/2010INPL052N/document.
Full textSecondary Ion Mass spectrometry (SIMS) is a powerful surface analysis technique. The ionisation probability strongly depends on the chemical surface state. The generation of positive secondary ions can be enhanced by surface bombardment with electronegative elements.Due to the optical configuration of the CAMECA NanoSIMS 50, that necessitates an opposite polarity of incoming and ejected ions, analyses of positive ions are realized with primary O- ions, generated in a duoplasmatron ion source. As a consequence of the low O- brightness of the duoplasmatron source, the lateral resolution of the analyses on the NanoSIMS 50 is not satisfactory in the positive secondary mode. In this work, we studied the feasibility of different alternative negative primary ion beams. We investigated the possibility of F-, Cl-, Br- and I- ion generation with a duoplasmatron as a function of the source parameters, notably the magnetic field strength, the arc current and the total gas pressure. The ion current and the beam diameter were measured in order to determine the F-, Cl-, Br- and I- brightness of the source. A comparative study with the O- brightness demonstrates an increase of the F- brightness by a factor of 5.By using the F-, Cl-, Br- and I- bombardment, the sputtering yield, the concentration of implanted primary ions and the useful yield of different semi-conductor and metal samples were analysed. As a consequence of a low halogen concentration, related to etching effects, no enhancement of the useful yield could be noticed for the semi-conductors. For metals however (e.g. Ni, Cu and Ag), useful yield enhancements by up to a factor of 100 compared to the O- bombardment could be demonstrated
Rioux, Patrice. "Caractérisation du potentiel papetier des pâtes à haut rendement en vue de leur utilisation dans les papiers impression-écriture." Grenoble INPG, 1988. http://www.theses.fr/1988INPG0053.
Full textGuay, Jean-Marc. "L'actualisation du potentiel intellectuel, l'efficience cognitive et le rendement scolaire chez des élèves de niveau collégial à risque d'abandon scolaire." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ37850.pdf.
Full textThivierge, Marie-Noëlle. "Le millet perlé sucré et le sorgho sucré comme cultures énergétiques en conditions québécoises : potentiel de production, utilisation de l'azote, morphologie des racines et apport de carbone au sol." Doctoral thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/26494.
Full textSweet pearl millet [Pennisetum glaucum (L.) R.BR.] and sweet sorghum [Sorghum bicolor (L.) Moench] are annual crops from which the sweet sap can be fermented to ethanol. They appear to have a high nitrogen (N) use efficiency, but this remains to be demonstrated in eastern Canada. Studying the morphological traits of their rooting system could help understanding their N use efficiency. The main objectives of this study were to (i) compare both species for yield and N use efficiency, (ii) determine their response to increasing mineral N rate, (iii) compare their response to mineral vs. organic N sources (liquid swine and liquid dairy manures), (iv) compare their root morphological traits with those of grain corn (Zea Mays L.), the sole feedstock used for ethanol production in eastern Canada, and (v) compare annual carbon input to soil from these three species. Species were grown at two experimental sites in Quebec. The N rates that led to maximum sugar yield for sweet pearl millet and sweet sorghum were 86 and 91 kg N ha-1, depending on site. Mineral N fertilization resulted in greater yields than the liquid manures, which showed fertilizer N equivalences varying from 15 to 52%. Fifty-four to 82% of applied mineral N fertilizer was recovered in the aboveground biomass of sweet pearl millet and sweet sorghum. While root biomass and annual carbon input were greater with corn, the length of the rooting system and the proportion of very fine roots were greater with sweet pearl millet and sweet sorghum. Our results show a high N use efficiency of sweet pearl millet and sweet sorghum, and therefore indicate low environmental risk associated with their fertilization. Moreover, our results suggest that the peculiar root morphology of these crops contribute to their high N use efficiency.
Smaoui, Maroua. "Étude de l’effet d’interaction de la température et du potentiel agricole sur l’incidence des conflits armés." Mémoire, Université de Sherbrooke, 2018. http://hdl.handle.net/11143/12000.
Full textMéthot, Johane. "Évaluation du potentiel de croissance et de rendement d'une culture de tomates biologiques cultivées dans une serre climatisée à l'aide d'un système géothermique." Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/26753.
Full textThis project aims to compare the agronomic effects of an organic tomato semi-closed greenhouse that was fitted with a geothermal air conditioning system to a naturally ventilated greenhouse. Two greenhouses of 228 and 230 m2 were equipped with an air exchanger system using geothermal to cool and dehumidify greenhouse air (semi-closed greenhouse) and natural ventilation (open greenhouse). Comparisons were made during 2012 and 2013 when treatments were permutated. Parameters such as plant growth, yield, fruit caliber and physico-chemical properties were measured. The results demonstrated that the geothermal system has no significant effect on these parameters. The two greenhouses had CO2 concentration targets between 450 µL L-1 and 1000 µL L-1 depending on solar radiation. The quantity of CO2 injected was 11 kg/m2 and 15 kg/m2 in 2012 and 2013 in the semi-closed greenhouse respectively as compared to 24 kg/m2 and 25 kg/m2 in the open greenhouse for the same period. Although CO2 is less injected in the semi-closed greenhouse, concentrations were kept at 638 µL L-1in 2012 and 593 µL L-1in 2013. These concentrations were higher than those obtained in the open greenhouse which were respectively 385 µL L-1and 486 µL L-1in 2012 and 2013. Associated cost of carbon enrichment, was therefore 1,6 to 2,0 higher in the open greenhouse than the semi-closed greenhouse.
Salazar, Diaz Ricardo. "Effet de la diversité végétale sur la production des systèmes de culture multi-espèces, cas des systèmes agroforestiers de Talamanca, Costa Rica." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT099/document.
Full textAdding plant diversity is increasingly presented as a mean to improve the sustainability of agrosystems. However, there is still a lack of knowledge on how plant functional diversity alters processes that support production. Because they cover a broad range of plant diversity, agroforestry systems in the tropics are a good case study to better understand the diversity-production relation. Agroforestry systems in the Talamanca region in Costa Rica are particularly interesting because among the cultivated plants they encompass, banana and cacao are two cash crops of major importance and for which production can easily be quantified and analyzed. Another specificity of these systems is that their vertical and horizontal organization is particularly diverse. Understanding how plant diversity and its organization alter the performances of these complex systems is particularly challenging and requires developing new approaches. The objectives of this thesis were to address the following questions: i) Which factors affect the relationship between plant diversity and productivity? ii) How plant diversity influences the global productivity of agroforestry systems? and iii) How the spatial structure of the plant community affects yields?First, a meta-analysis was carried out to address the diversity-production issue among a very broad range of systems world-wide. This analysis focused on how latitude, climate, and canopy structure modify the effect of plant richness on productivity of agricultural and natural ecosystems. It showed that the gain per unit of diversity added decreased as plant richness increased. Our findings also showed that the response of productivity to plant richness largely depends on the type of plants in the community, especially if the community includes trees.Then, we extensively studied the diversity and the productivity of 180 plots located within 20 fields in the Talamanca region. A global evaluation of the productivity of these systems was possible with the estimation of the production of each plant during 1 year. This production was converted into income according to local market prices. While we observed a global positive effect of plant diversity on global income, this effect was contrasted according to the functional group considered (banana, cacao, other fruits, timber, firewood. When considering the functional group separately, there was a positive effect of plant diversity for higher strata groups and a negative effect for lower strata groups. This suggested that complementarity between plants was stronger than competition for those plants occupying the higher strata of the canopy but that competition was stronger than complementarity for plants occupying the lower strata of the canopy.The second part of the analysis of the Talamanca fields dataset focused on the effect of neighbouring plants on the production of banana and cacao plants. An individual-based analysis was developed to determine whether the number of neighbouring plants of a given functional groups explained the potential yield of each banana or cacao plant. We found that the distance at which other plants alters the yield of banana or cacao plants was greater for larger functional groups (fruit or wood trees) than for smaller ones (cacao trees or banana plants). Interestingly, higher strata trees had a smaller effect than lower strata trees, suggesting that moderate densities of tall trees could be compatible with high banana and cacao production. These findings were discussed in terms of complementary and competition with respect to the availability of light at higher and lower strata of the canopy. On an applied perspective, our results suggest that productivity could be maximized by a reasonably number of plant species, and then we proposed new direction to organize fields in order to maximize the production of cash crops while providing supplementary income for farmers and ecosystem services
REKIKA, DJAMILA. "Identification et analyse genetique des caracteres physiologiques lies au rendement en conditions de secheresse chez le ble dur. Interet potentiel des especes sauvages apparentees pour l'amelioration de ces caracteres." Montpellier, ENSA, 1997. http://www.theses.fr/1997ENSA0020.
Full textMariotto, Christian. "Production d'acides organiques a partir de substrats monocarbones par eubacterium limosum." Toulouse, INSA, 1988. http://www.theses.fr/1988ISAT0023.
Full textBooks on the topic "Rendement potentiel"
Bootsma, A. Modelling methodology for estimating forage yield potential in Canada. Ottawa: Agriculture Canada, Research Branch, 1991.
Find full textBootsma, A. Méthode de modélisation relative à l'estimation des potentiels de rendement des plantes fourragères au Canada. [Ottawa]: Research Branch, Agriculture Canada, 1991.
Find full textReports on the topic "Rendement potentiel"
Haselbacher, Andreas, Michel Arnal, Maurizio Barbato, Alexander Fuchs, Jared Garrison, Turhan Demiray, Philipp Jenny, et al. Joint synthesis “Electricity storage via adiabatic air compression” of the NRP “Energy”. Swiss National Science Foundation (SNSF), January 2020. http://dx.doi.org/10.46446/publication_nrp70_nrp71.2020.3.en.
Full textHaselbacher, Andreas, Michel Arnal, Maurizio Barbato, Alexander Fuchs, Jared Garrison, Turhan Demiray, Philipp Jenny, et al. Synthèse conjointe «Stockage d’électricité par compression adiabatique d’air» du PNR «Energie». Swiss National Science Foundation (SNSF), January 2020. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2020.3.fr.
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