what is leguminous plant ?
Leguminous plants of the pea flower family are characterised by nodules on their roots. Example: Gram, Peas, Beans, etc .
These contain bacteria that are able to fix nitrogen from the atmosphere into the soil and the plants themselves. That is, atmospheric nitrogen is fixed in soil by nitrogen-fixing bacteria such as Rhizobium, which live in the root nodules of leguminous plants.