Farm Table says:
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.