Studies on the Production and Utilization of Rhizobium Inoculants for Alfalfa (Medicago sativa L.) I. Preparation and seletion of carriers for Rhizobium inoculants
To select a carrier as Rhizobiwn inoculants for alfalfa, severeal Rhizobium inoculants were produced by adding or not sub-materials( and sucrose) to main materials(organic or inorganic materials). The root nodule bacteria, Rhizobium meliloti 1061 distribu