Your tank holds      
      Select your tank size
lb. Actual N per percent    
      When filled to 85% your tank contains lbs. of actual N    
      Percentage used   Acres covered    
      Total pounds of N used Lb. of N per acre    
      Enter cost of NH3 per tonne   Converts to per # of actual N    
    Enter cost of NH3 per actual lb. of N   Converts to per tonne of NH3    
        R.J.(Bob) Evans P.Ag.