2. Where does Nitrogen Come From?

5. Biological (Bacteria) There are two types of “ Nitrogen Fixing Bacteria” Free Living Bacteria (“fixes” 30% of N 2 ) Symbiotic Relationship Bacteria (“fixes” 70% of N 2 )

9. Lets Look At the Nitrogen Cycle

10. Industrial Nitrogen Applied

11. How do they make Anhydrous?

13. How do they make UREA?

19. SuperU (like having Agrotain already impregnated on the Urea)