Assumptions:

  • 2,000,000 lbs. soil in top 6 in.
  • 1% organic matter = 20,000 lbs.

Nutrients

  • Nitrogen: 1,000 lbs. x 60¢/lb. N  =   $600
  • Phosphorus: 100 lbs. x 50¢/lb. P   =   $50
  • Potassium: 100lbs. x 50¢/lb. K   =   $50
  • Sulfur: 100 lbs. x 50¢/lb. S   =   $50
  • Carbon: 10,000 lbs. or 5 ton x $0/ton   =   $  0

Value of 1% SOM Nutrients/Acre = $750