Question

name the microrganism which help in nitrogen fixtion​

Answer 1

Answer:

The Rhizobium or Bradyrhizobium bacteria colonize the host plant's root system and cause the roots to form nodules to house the bacteria (Figure 4). The bacteria then begin to fix the nitrogen required by the plant.

Explanation:

pls mark brainliest

Answer 2

Free-living nitrogen-fixers include the

cyanobacteria Anabaena and Nostoc and genera such as Azotobacter, Beijerinckia, and Clostridium.