%0 Journal Article %T Efficiency of biopreparations based on strains of nitrogen-fixing bacteria in the productivity of alfalfa in the conditions of Central Yakutia %A Yakovleva, M.. %K alfalfa, inoculation, strains, nodule bacteria NB, associative rhizobacteria ARBC, yield. %J INTERNATIONAL AGRICULTURAL JOURNAL %D 2018 %N 1 %P 0 %I Electronic science