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OptiSurface - Optimum Surface Landforming

Eighty percent of crop yield loss within a field and within years can often be attributed to variable moisture availability, both too little and too much. Excess moisture also plays havoc with machinery operations and farm efficiency. By improving surface drainage and promoting more uniform infiltration, Optimum Surface Landforming has shown to provide a range of profit boosting benefits at a relatively low cost per hectare resulting in a high Return On Investment (ROI).

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OptiSurface - Optimum Surface Landforming

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  1. By Dave Cox Farmer Graeme CoxBEng (Ag) PhD

  2. Evolution of Landforming We have been landforming since agriculture began

  3. Evolution of Landforming • 1900s Dumpy & Stakes • 1970s Laserplane • 1990s Multiplane • 2000s OptiSurface* *Patent Pending

  4. Evolution of Landforming • 1900s Dumpy & Stakes • 1970s Laserplane • 1990s Multiplane • 2000s OptiSurface* *Patent Pending

  5. Evolution of Landforming • 1900s Dumpy & Stakes • 1970s Laserplane • 1990s Multiplane • 2000s OptiSurface* *Patent Pending

  6. Evolution of Landforming • 1900s Dumpy & Stakes • 1970s Laserplane • 1990s Multiplane • 2000s OptiSurface* *Patent Pending

  7. Benefits of Landforming • Higher Yields, Quality and Profit through • Minimised water logging • Improve infiltration uniformity • Sooner trafficability • Improved crop establishment • Improved uniformity of crop maturity • Reduced weed problems

  8. OptiSurface Landforming • …provides all of the benefits of traditional laser landforming only: MUCH BETTER!! • Much cheaper (up to 80%) • Much less topsoil removal • Much faster

  9. Case Study C7 • Block: C7 Area: 92 Ha • Location: DAVCO Farming, Burdekin • Row Cropping (sugar cane) • Lateral Move Irrigation

  10. Existing Topography Note: vertical scale exaggerated x 100 C7

  11. Plane of Best Fit C7

  12. Plane of Best Fit - Cut\Fill Map C7 Cut: 791m3/ha Cost: $1,190/ha Max Cut: 0.350m

  13. OptiSurface Design Constraints Minimum Downslope: 1: 900 0.111% Maximum Downslope: 1: 300 0.333% Max. Downslope change: 1: 4000 0.025% Minimum Cross-slope: 1: -200 -0.500% Maximum Cross-slope: 1: 200 0.500% Max. Cross-slope change: 1: 1000 0.100%

  14. OptiSurface Design C7

  15. OptiSurface - Cut\Fill Map C7 Cut: 180m3/ha Cost: $270/ha Max Cut: 0.270m

  16. Long Section Plot Long section plot Downslope: 0.111% to 0.333% C7

  17. Long Section Plot Downslope: 0.050% to 1.000% C7

  18. OptiSurface - Downslope Map C7

  19. Runoff Velocity Map FLOW DIRECTION C7 Rainfall: 75mm/hr Max Velocity: 0.44m/s

  20. Runoff Depth Map FLOW DIRECTION C7 Rainfall: 75mm/hr Infiltration:0mm Max Depth: 0.170m

  21. OptiSurface - Downslope Map C7

  22. Design Surface Options • OptiSurface 1D Row drainage in one direction only • OptiSurface 2D Row drainage in two directions • OptiSurface 4D Can drain in any direction as long as it leaves the field

  23. Case Study C8 – Existing LS2 LS1 C8

  24. OptiSurface 2D Design LS2 LS1 C8

  25. Long Section 1 C8

  26. OptiSurface 4D Design C8

  27. OptiSurface 4D Existing C8

  28. Contact Us: • Contact us for a FREE Design • Phone: +61 7 4782 7575 (international) (07) 47827575 (Australia) • Email: support@optisurface.com • Visit: www.optisurface.com

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