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Economics of Soil and Tillage

Explore the economic impact of soil erosion and conservation practices on agricultural productivity. Learn about the value of soil functioning, revenue opportunities, and programs promoting no-till farming for sustainable agriculture.

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Economics of Soil and Tillage

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  1. Economics of Soil and Tillage

  2. ISU Extension: Agronomy Science.nationalgeographic.com

  3. Total Soil Erosion per Cropland Acre Natural Resources Inventory, USDA (2003)

  4. U.S. Erosion Iowa’s Share: 139,000,000 Tons Average: 5.4 Tons/acre

  5. WATER EROSION – BUTLER COUNTY

  6. THE MISSISSIPPI RIVER ROOT RIVER AFTER 2” RAIN

  7. Partial Budget

  8. Statewide No-Till average: 174bu/acre Corn

  9. WATER EROSION – WINNESHIEK COUNTY

  10. WATER EROSION – CHICKASAW COUNTY

  11. NRCS Estimate What is the value of the lost soil functioning?

  12. “there was still a decrease in yield not corrected by the higher amount of N fertilizer added” Fenton (2005) Erosional impact on organic matter content and productivity of selected Iowa soils.

  13. Stover Removal

  14. WIND EROSION – HANCOCK COUNTY

  15. Stover Removal

  16. Erosion Estimate

  17. Other Revenue Opportunities • .6 Tons CO2/year Value of 1 ton = $3.80 to $7.50 Additional Profit = $2.28 to $4.50 • Requires commitment ~5 years • Strip Till Included • Current Programs: • Iowa Farm Bureau • National Farmer’s Union

  18. Economics of No Till • We have a problem • Partial budgeting • Soil has Value ($6-10) • Stover has value • Practices can prevent erosion – saving $$ • Do conservation, get paid

  19. Questions? Andy Herringshaw Bremer Co. Floyd Co.

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