1.Importance in agriculture
- Key factor in nutrient cycle: N- cycle, carbon cycle, P- cycle & S- cycle
- N-cycle: Nitrogen Fixation: physiochemical fixation (NN) &biological fixation (symbiotic and Asymbiotic)
2.Some microorganisms make symbiotic association when some crop plants produce great fertility inside and these behaves as bio fertilizers.
4.Importance in crop production
6.Importance in Soil fertility