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Modeling growth of different lucerne cultivars and their effect on soil water dynamics Organic Eprints
Raza, Amir; Friedel, Juergen K.; Moghaddam, Ali; Ardakani, M.Reza; Loiskandl, Willibald; Himmelbauer, Margarita; Bodner, Gernot.
Lucerne (Medicago sativa L.) is a perennial legume with high importance as fodder crop under organic farming. Our study analyzes biomass growth and influence on soil water dynamics of three lucerne cultivars in a field experiment and using the simulation model CropSyst. The objective was to evaluate the model for a perennial legume crop, study the relation of cultivar traits with soil water relations and derive a lucerne ideotype for temperate, semi-arid conditions. Two cultivars of European origin (Sitel and Niva)were compared to an Iranian one (Mohajeran). Measurements were made under irrigated (non-water limited) and rain-fed (water limited) conditions. Sitel achieved a cumulative biomass (dry matter yield)of 36.8 t ha−1 (irrigated) and 25.3 t ha−1...
Tipo: Journal paper Palavras-chave: "Organics" in general; Crop husbandry; Environmental aspects.
Ano: 2013 URL: http://orgprints.org/22511/13/22511.pdf
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