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A modelling approach to optimize the management of pea-barley intercropping in Europe Inra
Launay, M.; Brisson, N.; Satger, S.; Hauggaard-Nielsen, H.; Corre-Hellou, G.; Kasynova, E.; Jensen, E.S.; Gooding, M.J.; Dahlmann, C.; Von Fragstein, P.; Pristeri, A.; Romeo, M.; Monti, M..
Tipo: Conference Paper Palavras-chave: CROP MODEL; INTERCROPPING; YIELD; NITROGEN.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011a6730347&uri=/notices/prodinra1/2011/04/
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Exploring options for managing strategies for pea-barley intercropping using a modeling approach Inra
Launay, M.; Brisson, N.; Satger, S.; Hauggaard-Nielsen, H.; Corre-Hellou, G.; Kasynova, E.; Ruske, R.; Jensen, E.S.; Gooding, M.J..
A modeling study was carried out into pea-barley intercropping in northern Europe. The two objectives were (a) to compare pea-barley intercropping to sole cropping in terms of grain and nitrogen yield amounts and stability, and (b) to explore options for managing pea-barley intercropping systems in order to maximize the biomass produced and the grain and nitrogen yields according to the available resources, such as light, water and nitrogen. The study consisted of simulations taking into account soil and weather variability among three sites located in northern European countries (Denmark, United Kingdom and France), and using 10 years of weather records. A preliminary stage evaluated the STICS intercrop model’s ability to predict grain and nitrogen yields...
Tipo: Journal Article Palavras-chave: CROP MODEL; INTERCROP; YIELD; NITROGEN.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011ee37c335&uri=/notices/prodinra1/2011/04/
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Modeling tiller density, growth, and yield of mediterranean perennial grasslands with STICS Inra
Ruget, F.; Satger, S.; Volaire, F.; Lelièvre, F..
A generic crop model (STICS) was adapted (STICS–Grassland) to model growth, yield, and environmental impacts of grasslands in France. It is a semimechanistic model combining equations of physiological processes and mathematical relationships between processes in a daily time step. The Information et Suivi Objectif des Prairies (ISOP; Grassland Information and Objective Survey) application was developed to estimate and map the real-time status of grass growth and forage production in the 200 forage regions of France, to help decision makers anticipate forage availability in case of severe defi cits. Initially, the model could not simulate long, severe droughts typical of mediterranean regions when plant and tiller densities are significantly reduced. A...
Tipo: Journal Article Palavras-chave: PRAIRIE PERENNE; OUTIL DE DECISION; SUIVI OBJECTIF DES PRAIRIES; ESTIMATION DU RENDEMENT FOURRAGER CROP MANAGEMENT; CROP MODEL; FORAGE AVAILABILITY; TILLER DENSITY; PERENNIAL GRASSLAND; GRASSLAND INFORMATION AND OBJECTIVE SURVEY; ISOP.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010aefcbb21&uri=/notices/prodinra1/2010/08/
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Water use efficiency in a mild season and water cost of summer survival of perennial forage grasses in Mediterranean aeras Inra
Lelièvre, F.; Satger, S.; Volaire, F..
Seize cultivars (cvs) de dactyle, fétuque élevée et phalaris ont été comparés pour la production et l'efficience d'utilisation de l'eau (WUE) pendant trois ans dans un essai au champ sous abri an ti-pluie à Montpellier (France). D'octobre à mai, les apports d'eau couvraient 70 à 80% de l'évapotranspiration potentielle. De juin à septembre, une sécheresse complète était appliquée, bloquant la croissance pendant trois mois. Les mesures ont permis de faire un bilan hydrique pour chaque cycle de croissance de chaque cv. La production fourragère pluriannuelle des cvs dépend de leur tolérance à la sécheresse et de WUE moyenne de la période active, laquelle dépend de la capacité de croissance des cvs aux basses températures de novembre à mars. La perte d'eau non...
Tipo: Conference Paper Palavras-chave: GRAMINEE PERENNE; DACTYLE; FETUQUE ELEVEE; PHALARIS PERENNIAL GRASS; MEDITERRANEAN C1IMATES; DROUGHT; PERENNIALITY; WATER USE EFFICIENCY.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010cdf9f410&uri=/notices/prodinra1/2010/08/
Registros recuperados: 4
Primeira ... 1 ... Última
 

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