What are the advantages of rhizobial coating of seeds?

Rhizobial seed coating improves fertility at rhizosphere region with organic matter and facilitates mechanical planting of seeds. Seeds becomes uniform in size and shape. It promotes easy handling of seed. In mechanical separation seed flow easily which prevent dumping together. Small and irregular shaped seeds can be handled easily by pelleting which changes the shape of the seeds. Permits precision planting in very small seeds which results in uniform seedling emergence.