High accuracy steering a revolution in agriculture
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High accuracy steering - A revolution in agriculture. Hans Henrik Pedersen Danish Agricultural Advisory Service [email protected] 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

High accuracy steering - A revolution in agriculture

Hans Henrik Pedersen

Danish Agricultural Advisory Service

[email protected]

Danish Crop Production Seminar

18. January 2007, Herning, DK


Denmark

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.


Australia

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


High accuracy steering a revolution in agriculture

Measurements of accuracy- test procedure is under development


High accuracy steering a revolution in agriculture

Accuracy after interruption of signals


Accuracy after interruption of signals

Accuracy after interruption of signals

time, min


High accuracy requires own base

High accuracy requires own base


Networks with high accuracy corrections used by surveyors

Networks with high accuracy corrections –used by surveyors

www.referencen.dkwww.gpsnet.dk (Leica) (Trimble)

Will auto steering companies develop interfaces?


Random traffic is not sustainable

Random traffic is not sustainable


Controlled traffic farming sustainable future farming

Controlled traffic farming- sustainable future farming


Controlled traffic farming main decisions

Controlled traffic farming- main decisions

  • Working width

  • Wheel space

  • Position of tracks


Trials with controlled traffic farming

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)


High accuracy steering of implements

High accuracy steering of implements

AF Tracker, AutoFarm.


Automatic boom section control

Automatic boom section control

TeeJet, Hardi, (AutoFarm)

- at Agromek


Approximate prices

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 €


Costs and savings by autosteering does not incl benefits of ctf

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


Auto steering start of an revolution in agriculture

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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