Flexible Stubble Management – How To Reap Returns To The Bottom Line

GRDC - Tony Swan (CSIRO Agriculture), John Francis (Holmes Sackett), John Kirkegaard and Brad Rheinheimer (CSIRO Agriculture), Kellie Jones and Colin Fritsch (FarmLink Research) and James Hunt (La Trobe University and formerly CSIRO Agriculture)

Type: Research Paper
Knowledge level: Advanced

Farm Table says:

The authors of this paper note in the conclusion: “One of the important results from this paper, is the effect of matching the scale of the farm to the labour/plant and equipment units. When the scale is correctly matched, the greatest impact on whole farm income is determined by crop yield. However, when not correctly matched, both profit and profitability can be significantly reduced”.   Please access the full paper via the link below if this research interests you.

The take home messages from this GRDC funded research are below. Please access the full paper via the link below for methodology, references, acknowledgements and discussion.

Take home messages from the paper include:

  • Be flexible and pro-actively manage stubble for your seeding system.
  • Diversify your crop sequence; add legumes to rotation with double break to reduce nitrogen (N) input, reduce annual ryegrass (ARG) weed seedbank and be more profitable.
  • Ensure the scale of the farm is matched to the labour/plant and equipment units for maximum efficiency.
  • At a whole farm level, both the Diversified and Aggressive strategies were profitable, but the diversified was more effective at reducing the ARG weeds.
  • A diversified management strategy is highly profitable but less volatile compared to an aggressive strategy when analysed across the whole farm.
  • Where a farm structure is highly efficient and an aggressive or diverse strategy implemented, the tine opener was more profitable than a disc opener on 300mm rows.
  • Higher return on assets managed (ROAM) across the whole farm were achieved when establishing crops with a disc seeder on 190mm row spacing compared to a parallelogram tine seeder on 300mm row spacing.

2018 - Australia - GRDC - Tony Swan (CSIRO Agriculture), John Francis (Holmes Sackett), John Kirkegaard and Brad Rheinheimer (CSIRO Agriculture), Kellie Jones and Colin Fritsch (FarmLink Research) and James Hunt (La Trobe University and formerly CSIRO Agriculture)
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