Preliminary Discussion on Problems of Rhizobium Inoculants

Rhizobium is found excellent in promoting growth and yield of legume crops, which decreases the cost of agricultural production and the side effect of chemical fertilizer application. Currently, Rhizobium inoculants have not been widely used in agriculture. Currently, the practical applica- tions of Rhizobium are restricted by quality factors of some inoculants. In this paper, we discussed briefly the factors such as low strain breeding efficiency of Rhizobium, serious contamination and short shelf life of inoculants, to provide some reference to the further research and application of commercial Rhizobium inoculants.