Biological Nitrogen Fixing Crops
The symbiotic bacteria colonize on the roots of specific legumes to form root nodules which fix atmospheric nitrogen. Rhizobiums live in the soil independently. When they come in contact with the roots of leguminous plants, they infect the root hair and penetrate into the roots.
The organisms enter into the roots and fix atmospheric nitrogen into the soil. Following are the main crops which fix the atmospheric nitrogen:
Table: Average fixation of Nitrogen by legumes
Submitted by JAI VIR SINGH on Fri, 29/01/2010 - 13:09