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Academic literature on the topic 'Détection des rangées de cultures'
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Journal articles on the topic "Détection des rangées de cultures"
DesRochers, Pierre, Vicky Huppé, Jean-Marc Leclerc, and Pierre Chevalier. "La mérule pleureuse, Serpula lacrymans : revue de la situation historique et des interventions possibles." Article de synthèse 97, no. 1 (July 13, 2017): 44–53. http://dx.doi.org/10.7202/1046726ar.
Full textSitterlé, E., C. Rodriguez, J. M. Costa, N. Fauchet, E. Dannaoui, and F. Botterel. "Détection et quantification de la variabilité génétique de cyp51a chez Aspergillus fumigatus dans des cultures primaires de prélèvements respiratoires." Journal de Mycologie Médicale 25, no. 2 (June 2015): e101. http://dx.doi.org/10.1016/j.mycmed.2015.02.016.
Full textYattara, Almouner A. A., Amadou K. Coulibaly, and Frédéric Francis. "Diversité et abondance des pucerons [Homoptera : Aphididae] et leur impact sur la dissémination des virus infectant la pomme de terre au Mali." Phytoprotection 94, no. 1 (May 2, 2014): 1–7. http://dx.doi.org/10.7202/1024719ar.
Full textCodjo Jacques, HOUNDETE, ASSONGBA Yédjanlognon Faustin, YOKA Joseph, and DJEGO Julien Gaudence. "Importance de l’association de cultures face aux variabilités climatiques dans les collines au Benin." Journal of Applied Biosciences 150 (June 30, 2020): 15403–18. http://dx.doi.org/10.35759/jabs.150.3.
Full textVaudour, Emmanuelle, Paul-Emile Noirot-Cosson, and Olivier Membrive. "Apport des images satellitaires de très haute résolution spatiale Pléiades à la caractérisation des cultures et des opérations culturales en début de saison." Revue Française de Photogrammétrie et de Télédétection, no. 208 (September 5, 2014): 97–103. http://dx.doi.org/10.52638/rfpt.2014.106.
Full textGervelmeyer, A., H. Abu Ajarnijeh, E. Bani Younis, O. Anasweh, N. Bzour, R. Akasheh, Peter-Henning Clausen, C. Staak, and G. Monreal. "Production d'anticorps de jaune d'oeuf antiviraux spécifiques pour le diagnostic de la maladie de Newcastle, de la bronchite infectieuse et de la maladie de Gumboro par le test d'immunofluorescence directe." Revue d’élevage et de médecine vétérinaire des pays tropicaux 51, no. 1 (January 1, 1998): 5–9. http://dx.doi.org/10.19182/remvt.9652.
Full textGagnon, Christine, Jérôme Lemaître, Gilles Lupien, and Junior A. Tremblay. "Mise en place d’un inventaire spécifique du hibou des marais pour le Québec." Hiboux et nyctales 139, no. 1 (December 3, 2014): 12–16. http://dx.doi.org/10.7202/1027665ar.
Full textShaw, A. E., H. Marqardt, A. Lukas, and P. P. C. Mertens. "Commercialisation d'un test RT-PCR en temps réel pour une détection globale de la fièvre catarrhale ovine." Revue d’élevage et de médecine vétérinaire des pays tropicaux 62, no. 2-4 (February 1, 2009): 121. http://dx.doi.org/10.19182/remvt.10032.
Full textKamga, Eléonore, André Kamga, Fritz Tabi Oben, Eléazar Tchemtchoua, and Georges Etame Kossi. "Culture du café robusta (Coffea canephora): risques liés à la variabilité et au changement climatique dans le bassin de production du Moungo, Littoral-Cameroun." International Journal of Biological and Chemical Sciences 16, no. 1 (June 8, 2022): 353–66. http://dx.doi.org/10.4314/ijbcs.v16i1.30.
Full textDubreuil, Vincent, Damien Arvor, and Nathan Debortoli. "Monitoring the pioneer frontier and agricultural intensification in Mato Grosso using SPOT vegetation images." Revue Française de Photogrammétrie et de Télédétection, no. 200 (April 19, 2014): 2–11. http://dx.doi.org/10.52638/rfpt.2012.56.
Full textDissertations / Theses on the topic "Détection des rangées de cultures"
Bah, Mamadou Dian. "Détection des adventices par imagerie aérienne." Thesis, Orléans, 2020. http://www.theses.fr/2020ORLE3190.
Full textIn the current agricultural context, there is a need to reduce the use of pesticides for weed control. Localized weed control presents a promising option to limit costs and environmental impact. However, automatic weed detection is not an easy task and presents several scientific and technological challenges. The objective of this thesis is to propose image processing and artificial intelligence methods for weed detection in field crops. Within this framework, we addressed two issues, crop row detection and weed detection. Two methods were proposed for crop row detection. The first method combines the Hough transform and the simple linear iterative clustering SLIC. The second one uses a completely new approach using deep learning. Both methods were used to detect inter-row weeds and weeds in contact with crop rows. To achieve greater efficiency, two new fully automatic machine learning weed detection methods have been developed. The originality of these methods is that learning is carried out on automatically annotated data. The first method is based on deep learning while the second method generates models from deep features and one-lass classifier. The results obtained on real data show the interest of the proposed approaches
Lebeuf, Maria. "Gestion des risques de contamination et leur détection en animalerie axénique." Master's thesis, Université Laval, 2021. http://hdl.handle.net/20.500.11794/69051.
Full textThe use of axenic animals as models have increased exponentially in recent years in experimental research. In order to maintain their axenic status, animals must be contained in traditional isolators or isolators at the cage level, which includes Tecniplast's sealed positive pressure Isocage. However, the most effective way to confirm animal axenic status remains uncertain, especially for cage-level isolators, which carry a greater risk of contamination than the traditional isolator due to their most frenquent contact with outer environment. This Master's project aims were to manage the risk of contamination associated with Isocage by optimizing disinfection by immersion and determining the effectiveness of axenic precautionary measures; then finally to determine the effectiveness of the detection measures to demonstrate the presence of microbial contaminants in axenic Isocages. The optimization of disinfection by immersion made it possible to determine the residual microbial load found on the surface of Isocages between two cage changes, to evaluate the sporicidal efficiency of two disinfectants, and finally to determine the optimal disinfection time for the immersion of the axenic cages during a change of cage depending on the concentration of disinfectants used. The effectiveness of axenic precautionary measures has been confirmed by comparing the microbial flora found on the surface of cages contained in axenic and non-axenic rooms. The effectiveness of detection measures to demonstrate the presence of contaminants in Isocage has been determined by developing, validating and optimizing three different methods, then by testing in situ their effectiveness to detect contaminants artificially introduced into axenic cages. This work constitutes an important contribution to the field since it is one of the first to discuss risk management and the effectiveness of detection methods when using Isocage and the immersion basin attached to the biosecurity station with axenic animals.
Galopin, Élisabeth. "Adressage par microfluidique digitale : application à la détection de marqueurs biologiques par plasmon de surface et détection intégrée." Lille 1, 2007. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2007/50376-2007-223.pdf.
Full textFould, Sabine. "Détection dans le sol de Pasteuria penetrans, parasite obligatoire des nématodes phytoparasites du genre Meloidogyne et influence des facteurs telluriques abiotiques sur la distribution du complexe parasitaire." Lyon 1, 1999. http://www.theses.fr/1999LYO10333.
Full textRenouard, Catherine. "Comparaison de deux méthodes de diagnostic direct du cytomégalovirus : isolement du virus en culture cellulaire, détection d'antigènes très précocés du CMV dans les cultures cellulaires." Paris 5, 1990. http://www.theses.fr/1990PA05P184.
Full textGuénette, Caroline. "Évaluation du potentiel de l’infrarouge spectral pour la détection hâtive du stress nutritif chez les végétaux de grandes cultures. Application à la culture de la pomme de terre." Thesis, Université Laval, 2003. http://www.theses.ulaval.ca/2003/21037/21037.pdf.
Full textAt the present time, the management of fertilizers in the agricultural productions is a subject on which producers and administrators grant much attention. The overuse of fertilizers generates important environmental and financial costs which recently lead to both federal and provincial legislations in this field. To gain optimal use of nitrogenized fertilizers, one must evaluate correctly the plant‘s deficiencies. This research project aims at evaluating the potential of detection of the nutritive nitrogen deficiency on potato plants by the use of infra-red spectral remote sensing. To achieve our goal, we performed repeated measurements in a greenhouse experimental setup. Four levels of nitrogen deficiencies were induced on potato plants. The stress caused by the nutritive deficiency was measured according to agronomic techniques and remote sensing techniques, including the infra-red spectroscopy. Once the potential of detection evaluated for each technique, the comparison among them made it possible to determine which technique(s) allowed the hastiest discrimination during the growing season. An optimal combination of index has been identified. Its capacity of discrimination between levels of nitrogen deficiency has been quantified by a discriminant analysis. Research concludes with a notable improvement of discrimination potential by combining three remote sensing index.
Guénette, Caroline. "Évaluation du potentiel de l'infrarouge spectral pour la détection hâtive du stress nutritif chez les végétaux de grandes cultures. Application à la culture de la pomme de terre." Master's thesis, Université Laval, 2003. http://hdl.handle.net/20.500.11794/17814.
Full textAt the present time, the management of fertilizers in the agricultural productions is a subject on which producers and administrators grant much attention. The overuse of fertilizers generates important environmental and financial costs which recently lead to both federal and provincial legislations in this field. To gain optimal use of nitrogenized fertilizers, one must evaluate correctly the plant‘s deficiencies. This research project aims at evaluating the potential of detection of the nutritive nitrogen deficiency on potato plants by the use of infra-red spectral remote sensing. To achieve our goal, we performed repeated measurements in a greenhouse experimental setup. Four levels of nitrogen deficiencies were induced on potato plants. The stress caused by the nutritive deficiency was measured according to agronomic techniques and remote sensing techniques, including the infra-red spectroscopy. Once the potential of detection evaluated for each technique, the comparison among them made it possible to determine which technique(s) allowed the hastiest discrimination during the growing season. An optimal combination of index has been identified. Its capacity of discrimination between levels of nitrogen deficiency has been quantified by a discriminant analysis. Research concludes with a notable improvement of discrimination potential by combining three remote sensing index.
Sirois, Charles. "Détection des mauvaises herbes dans les cultures du bleuets nains." Thèse, 2020. http://depot-e.uqtr.ca/id/eprint/9739/1/eprint9739.pdf.
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