title: Limitations to field application of Rhizobium inoculants.
mesh_terms: D000383:Agriculture / Q000379:methods; D005818:Genetic Engineering; D009586:Nitrogen Fixation; D010944:Plants / Q000235:genetics; D012231:Rhizobium / Q000235:genetics*; D013025:Glycine max; D013045:Species Specificity