Question

give reason why symboitic association of rhizobium, bacteria and leguminious plant is of great significance to farmer​

Answer 1

Root nodules are found on the roots ofplants, primarily legumes, that form asymbiosis with nitrogen-fixingbacteria. Under nitrogen-limiting conditions, capable plants form asymbiotic relationship with a host-specific strain of bacteria known asrhizobia. ... Nitrogen fixation in the nodule is very oxygen sensitive.

Answer 2

because leguminous plants provide food to the bacteria rhizobium.....and rhizobium fixes nitrogen in the soil....there fore the farmers don't have to use fertilizer s