Controlled traffic farming, productivity, sustainability and resilience: outcomes - better farming systems. Don Yule
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A presentation from the WCCA 2011 event held in Brisbane, Australia.
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Controlled traffic farming, productivity, sustainability and resilience: outcomes - better farming systems. Don Yule
- 1. Controlled Traffic Farming Productivity, sustainability and resilience Outcome – better farming systems. My proposition – for mechanised CA, do controlled traffic FIRST Dr Don Yule www.ctfsolutions.com.au 1
- 2. Mechanised Cropping What is a farming system? • Everything the farmer does • Involves the farm and the farmer 1. Controlled traffic 2. Designed field layouts 3. No cultivation 4. New spatial technologies 5. Measure to manage tools 6. Triple bottom line Outcomes 2
- 3. 1. Controlled Traffic Manage machinery Permanent wheel tracks and matching machinery 1. Perfect job every time 2. Zonal management – wheel tracks, rows, and inter-rows 3. Soil health (compaction); efficiencies 4. Everything is easier with Controlled Traffic 3
- 4. Controlled Traffic Perfect job, zonal management Outcomes: soil health, efficiencies 4
- 5. 2. Designed field layouts CT in the landscape • Use controlled traffic as the drainage system – down hill, prevent runoff concentration • Manage erosion and waterlogging • Outcome – Landscape health 5
- 6. Waterlogging control CTF Layout using 1m pixel imagery and GPS topo 2004. Waterlogging, loss $56,000 2006. After drainage, cost $3,000. 6
- 7. TRADITIONAL 100t/ha Erosion control CTF Response to severe erosion event 1997 CTF 10t/ha 7
- 8. 3. No cultivation and Controlled Traffic • Accurate Spraying – no misses, no overlaps • Access and timeliness • Standing residue, inter-row sowing • Outcomes – residue management, soil health 8
- 9. Responses to these realities Biological soil health 9
- 10. Controlled traffic allows standing residues and inter-row sowing
- 11. 4. New spatial technologies • Controlled Traffic needs accurate guidance • Perfect match with 2cm GNSS auto-steer • Controlled Traffic with guidance provides 2cm accurate spatial footprint • Outcomes – access to and use of spatial technologies 11
- 12. GNSS Guidance Radio GNSS antennae Rover/tractor Base station 12
- 13. CTF and GNSS define the on-farm spatial footprint 13
- 14. 5. Automated Measure to Manage tools • 2cm spatial footprint allows automated, digital, computer based data collection and records • Satellite, aerial or proximal 1m resolution remote sensing, yield monitoring, GIS • Internet access with mobile phones – from machine to computer anywhere • Automated on-farm R&D with strip trials 14
- 15. 6. Farming System Outcomes • Relevant data to assess farming system performance and farmer management • “Measure to Manage” • Accurate, accessible and spatial farm records at appropriate scales 15
- 16. 6. Farming System Outcomes Rainfall Use Efficiency CTF 21t 8t TRAD 16
- 17. 6. Farming system Outcomes Rainfall Use Efficiency Post-beds Pre-beds 11.6 kg/ha/mm 4.4 kg/ha/mm 17
- 18. 6. Farming System Outcomes Triple bottom line benefits Bowman (2008) studied 16 farmers and change on 4,250 ha, Darling Downs • Soil erosion less by 195,000 tonnes/year (-90%) • Diesel use from 338,000 to 130,000 L/yr (-60%) • Nitrogen leaving farms from 119 to 9 t (-90%) • Carbon dioxide loss from 1,199 to 373 t (-70%) • Labour from 4,590 to 1,744 hours (-60%) • Annual income $1,652,500 to $2,386,230 (+44%) • Gross Margin $547,279 to $918,366 (+68%) For mechanised CA, do controlled traffic FIRST 18