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Academic literature on the topic 'Tomates – Milieux nutritifs artificiels'
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Dissertations / Theses on the topic "Tomates – Milieux nutritifs artificiels"
Jean-Paul, Carline. "Effet de l'enrichissement en oxygène de la solution nutritive chez une culture de tomate biologique inoculée ou non avec des agents." Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/21837.
Full textBégin, Geneviève. "Potentiel d'utilisation du bran de scie comme substrat de culture pour la tomate de serre : phytotoxicité, croissance et productivité." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25341/25341.pdf.
Full textDubuc, Jean-François. "Impact des conditions de culture in vitro et du saccharose exogène sur la régulation de l'expression génique et l'accumulation des protéines chez les plantules de tomate (Solanum lycopersicum)." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27278/27278.pdf.
Full textLévesque, Vicky. "Amendement en biochars : effets sur l'activité et la structure des microorganismes et sur les rendements de la tomate et du poivron de serre." Doctoral thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27582.
Full textThe biochar, charcoal produced by pyrolysis and used as an amendment, has several advantages and is a promising avenue for sustainable agriculture. However, the production methods, the pyrolysis conditions and the biomass types produce biochars with variable properties which have different effects on soil productivity and crop yields. Presently, there are no studies to elucidate the influence of the physicochemical properties of biochars on the structure and the diversity of soil microbial communities. The purpose of this PhD project was to understand how the physicochemical properties of biochar affect its ability to : (i) mitigate greenhouse gas emissions; (ii) improve growth of greenhouse tomato and pepper; (iii) improve fertilizer and water use efficiency; and (iv) modify the structure and the diversity of bacterial communities in a growing medium and a mineral soil. Five biochars were produced and evaluated: maple bark pyrolyzed at 400˚C, 550˚C and 700˚C, pine chips pyrolyzed at 700˚C, and willow chips pyrolyzed at 400˚C. The results demonstrated that some physicochemical properties are key drivers of the ability of biochars to efficiently mitigate N2O emissions, to reduce fertilizer inputs and to improve water use efficiency while promoting plant growth. Moreover, the results show that biochar amendment can stimulate specific bacterial groups involved in carbon and nitrogen cycles and possibly those involved in plant development. This work identifies key physicochemical properties of biochars that could better guide agricultural producers and industries producing peat-based growing media, in the choice of biochar promoting tomato and pepper growth and contributing to a sustainable agriculture.
Perron, Béatrice. "Impact de la nutrition azotée sur l'activité microbienne du milieu de culture et sur la qualité de la tomate et du concombre biologiques de serre." Master's thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/31390.
Full textLétourneau, Guillaume. "Mouvements de sels en substrats organiques pour la culture de la tomate de serre." Master's thesis, Université Laval, 2010. http://hdl.handle.net/20.500.11794/22399.
Full textKalkounos, Ioannis. "Étude de la déficience en fer, chez le concombre, et de sa correction en culture hors sol." Toulouse, INPT, 1987. http://www.theses.fr/1987INPT019A.
Full textDenat, Jean-François. "Définition d'un milieu de culture adapté aux embryons de tournesol (Helianthus annuus L. ) âgés de trois jours, et son utilisation pour le sauvetage d'embryons interspécifiques." Montpellier 2, 1992. http://www.theses.fr/1992MON20274.
Full textPaiement, Ian. "Effets des propriétés physico-chimiques du substrat sur la croissance et la physiologie des plants d'épinette blanche." Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/28376/28376.pdf.
Full textMezgueldi, Hamid El. "L'adaptation aux sols salés de l'espèce rudérale "Dittrichia viscosa" W. Greuter : recherche d'une différenciation de populations sur un gradient de salinité de 60 mètres." Montpellier 2, 1992. http://www.theses.fr/1992MON20215.
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