Managing stubbles post-harvest is an ongoing issue that growers deal with every year in their cropping rotation. OFT contains more than 400 trials on stubble retention, management and benefits. There are over 180 published stubble management trials for wheat, 40 for barley and 35 for canola. There is also a set of more than 160 trials spanning five years from the GRDC-initiative, Maintaining profitable farming systems with retained stubble available on OFT. This set of trials includes details on harvest efficiency, stubble breakdown options, cropping sequences to manage stubble loads, sowing configurations and associated costs, and grazing and weed management strategies.
For access to additional, up-to-date information and advice on stubble management and retention, refer to these articles from the most recent GroundCover Supplement Issue:
For further details on latest stubble management strategies and trials, refer to these GRDC Update Papers:
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To investigate the influence of stubble management and rate on the duration, severity and frost damage in frost prone parts of the landscape in the Mallee and Wimmera regions.
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To determine the nutrient loss from stubbles of various crop types following summer rainfall.
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To determine the effect of stubble type (wheat, peas and canola) and load (from Decile 2, 5 and 8
seasons) on subsequent soil and crop nutrition.
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To evaluate the impact of a light cultivation prior to application of residual herbicides.
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To investigate how differing summer farming practices influence stored water and how plant available water may influence grain yield potential and grain quality attributes in the low rainfall area in central NSW.
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To investigate if stubble/seeding direction and management (plus or minus stubble) effects lentil growth and yield
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The demonstrate the effects of increasing N fertiliser rates on harvest index and stubble N%.
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To quantify the impact of stubble on the severity and duration of frost through canopy temperature and grain yield.
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Determine if there is an interaction between temperature and various rates of stubble and outline whether increased stubble loads change the severtiy and duration of frost.
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Determine if there is an interaction between temperature and various rates of stubble and outline whether increased stubble loads change the severtiy and duration of frost.
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To quantify the impact of stubble on the severity and duration of frost through canopy temperature and grain yield.
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To investigate the incorporation and breakdown of stubbles by adding nutrients.
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To investigate if stubble/seeding direction effects crop competition and cereal grain yield
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To investigate the impact of stubble on frost severity and duration.
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Over recent seasons adoption of stubble retention has plateaued in the Mallee and some growers are reducing the area of stubble retained until the next growing season. An experiment was undertaken to identify potential improvements in stubble management so this trend could be reversed. The experiment examined how different amounts and types of s… read more
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To determine the effect of stubble management (standing, slashed or burnt) on the crop safety of pre-sowing herbicides, and their efficacy against Group A-resistant annual ryegrass.
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To measure ryegrass populations under continuous cropping with a range of stubble and tillage practices.
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To investigate the effects of sowing barley and peas into a wheat stubble (standing, slashed and burnt).
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To determine whether maintaining stubble cover in low rainfall environments increases summer moisture conservation, and, to establish the minimum stubble quantity or threshold necessary to ensure maximum moisture conservation over the summer.
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To determine whether maintaining stubble cover in low rainfall environments increases summer moisture conservation, and, to establish the minimum stubble quantity or threshold necessary to ensure maximum moisture conservation over the summer.
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The project seeks to:
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The project seeks to:
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The project seeks to:
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To add normal, as required to optimise yield potential, and extra amounts of nutrients (N, P and S) to different stubble managements (intact, incorporated and removed) to see if SOM levels could be increased.
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To present results from the large plot focus farm trials of the Maintaining profitable farming systems with retained stubble in the Riverine Plains region project, which where to
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To present results from the large plot focus farm trials of the Maintaining profitable farming systems with retained stubble in the Riverine Plains region project, which where to
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To add normal and higher amounts of nutrients (N, P and S) to different stubble managements (standing, worked and removed) to see if soil humus level would be increased.
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To add normal and higher amounts of nutrients (N, P and S) to different stubble managements (standing, worked and removed) to see if soil humus level would be increased.
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The project seeks to:
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The project seeks to:
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To present results from the large plot focus farm trials of the Maintaining profitable farming systems with retained stubble in the Riverine Plains region project, which where to
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To investigate the effect of full stubble retention compared with other stubble management methods and seeding technologies.
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The project seeks to:
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The project seeks to:
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To present results from the large plot focus farm trials of the Maintaining profitable farming systems with retained stubble in the Riverine Plains region project, which where to
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To test the effect of ploughing in stubble prior to seeding.
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To focus on maintaining profitable retained stubble systems rather than investigating agronomic and economic
benefits of stubble retention.
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The aim of this work was to better understand the impact of stubble management on in-canopy temperatures and the associated risk of frost in cropping environments with high yields and high stubble loads.
