Several reports have shown the benefits of atmospheric nitrogen-fixing prokaryotes in growth and nutrition of many plant species; however, these microorganisms in the rhizosphere of rubber trees (Hevea brasiliensis) have not been investigated so far. Thus, the objective of this study was to verify the occurrence of diazotrophic bacteria in soils and roots of a plantation of rubber trees, and to isolate and characterize these bacteria. For this purpose, soil and fine roots of rubber trees were sampled on the […]