Effect of a genetically modified Rhizobium meliloti inoculant on the development of arbuscular mycorrhizas, root morphology, nutrient uptake and biomass accumulation in Medicago sativa

alfalfa anion aniones anions azote bacteria biomasa biomass biomasse champignon fosfatos fungi genetic engineering genetica genetically engineered microorganisms genetics glomus mosseae hongos lucerne luzerne medicago sativa mycorrhizae nitrogen nutrientes nutrients phosphate phosphates plant anatomy racine rhizobium meliloti rhizosphere rizosfera roots simbiosis substance nutritive symbiose symbiosis