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High accuracy steering - A revolution in agriculture

High accuracy steering - A revolution in agriculture. Hans Henrik Pedersen Danish Agricultural Advisory Service hhp@landscentret.dk Danish Crop Production Seminar 18. January 2007, Herning, DK. Denmark. Overlap 1 – 8 % 160 tractors with auto steering - 10 cm

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High accuracy steering - A revolution in agriculture

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  1. High accuracy steering - A revolution in agriculture Hans Henrik Pedersen Danish Agricultural Advisory Service hhp@landscentret.dk Danish Crop Production Seminar 18. January 2007, Herning, DK

  2. Denmark • Overlap 1 – 8 % • 160 tractors with auto steering - 10 cm • 40 tractors with auto steering - 2 cm • ≈ 0,7 % of full time farmers • 3 Farmers do CTF on 1.000 ha.

  3. Australia • 200+ farmers do CTF on 1.000.000 ha. • 200+ farmers consider CTF on 1.000.000 ha • 200+ tractors with 2 cm auto steering • 1.000+ tractors with less accurate auto steering • 20-70 % of farmers use auto steering

  4. Measurements of accuracy- test procedure is under development

  5. Accuracy after interruption of signals

  6. Accuracy after interruption of signals time, min

  7. High accuracy requires own base

  8. Networks with high accuracy corrections –used by surveyors www.referencen.dkwww.gpsnet.dk (Leica) (Trimble) Will auto steering companies develop interfaces?

  9. Random traffic is not sustainable

  10. Controlled traffic farming- sustainable future farming

  11. Controlled traffic farming- main decisions • Working width • Wheel space • Position of tracks

  12. Trials with controlled traffic farming • Grain, Europe: -9 → 21 % (Chamen et.al. 1992) • Grain, Australia: avg: 16 % (Tullberg et.al 2001) • Energy used during tillage -70 → -37 % (Chamen et.al. 1992) • Energy used in total: - 17 % (Dickson & Campbell 1990)

  13. High accuracy steering of implements AF Tracker, AutoFarm.

  14. Automatic boom section control TeeJet, Hardi, (AutoFarm) - at Agromek

  15. Approximate prices • Auto steering, satellite based corrections: 18.000 € + 1.000-1.500 €/yr • Auto steering with base station for correction: 32.000 € • Steering of implement: 15.000 € • Automatic boom section control: 3.000 – 5.000 €

  16. Costs and savings by autosteering- does not incl. benefits of CTF 1 Auto steering system with satellite correction5 years depreciationSavings: seed, pesticides, machinery costs and labour

  17. Auto steering – start of an revolution in agriculture “Precise agriculture” Robots Single plant treatment Interrow seeding Interrow fertilization Interrow weeding Controlled traffic Machine control, e.g. auto boom Auto steering “You don’t drive cars over flowerbeds... We’re driving much heavier machines over the soils we hope to produce crops from and it’s causing a lot of damage”. Jeff Tullberg

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