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Nitrogen fixation and yield of lucerne (Medicago sativa L.), as affected by co-inoculation with Sinorhizobium meliloti and arbuscular mycorrhiza under dry organic farming conditions Organic Eprints
Ardakani, M.Reza; Pietsch, Gabriele; Wanek, Wolfgang; Schweiger, Peter; Moghaddam, Ali; Friedel, Juergen K..
This study evaluated the effects of co-inoculation with Sinorhizobium meliloti and arbuscular mycorrhizal fungi on the growth, yield and biological nitrogen fixation (BNF) of lucerne (Medicago sativa L.) under organic farming and dry weather conditions. The trial was laid out as a factorial experiment in the fields of the University of Natural Resources and Applied Life Sciences, Vienna-Austria at Raasdorf in 2007. The experimental factors of S. meliloti and arbuscular mycorrhiza (AM) including Glomus etunicatum, G. intraradices and G. claroideum and irrigation levels were tested. Co-inoculation of lucerne with S. meliloti and AM increased shoot dry weight as well as BNF at the first and second harvest but for BNF it was not significant. Irrigation...
Tipo: Journal paper Palavras-chave: "Organics" in general; Crop husbandry.
Ano: 2009 URL: http://orgprints.org/22505/6/22505.pdf
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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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Genetic diversity and distance among Iranian and European alfalfa (Medicago sativa L.) genotypes Organic Eprints
Moghaddam, Ali; Pietsch, Gabriele; Ardakani, M.Reza; Raza, Amir; Vollmann, Johann; Friedel, Juergen K..
Alfalfa is the best known fodder crop with high ability of biological nitrogen fixation and drought tolerance in dry, Pannonian region of east Austria. Different morphological and physiological characteristics of 18 alfalfa genotypes from different geographical origins, 8 Iranian ecotypes and 10 European cultivars were evaluated under irrigated and rainfed conditions during 2006-08 cropping seasons. The objectives of this study were to measure genetic distance and divergence among genotypes and to classify them based on morphological and physiological characters. Cluster analysis differentiated Iranian ecotypes and European cultivars from each other under irrigated condition, and when data averaged across two environments (irrigated and rainfed). However,...
Tipo: Journal paper Palavras-chave: "Organics" in general; Crop husbandry.
Ano: 2011 URL: http://orgprints.org/22508/7/22508.pdf
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