GRDC Stubble Project

2017 Commercial Stubble vs Canola Harvest Report

2017 Seasonal effects of strategic stubble treatments on Canola in CW NSW Background CWFS conducted trials across the central western district that: investigated the impact that different stubble treatments (burning, cultivation, harrowed or standing stubble) imposed just prior to sowing have on the growth and yield of winter crops, measured using large plotsevaluate any grower management practices that result in...
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Harvest 2017 – GRDC Stubble Project Trial Plots Completed

Wednesday 29 November 2017 heralded the final stubble project plot to be harvested at Northparkes Mine. The other two sites were at Tottenham and Mumbil Creek. These trials have been sown for five years under the GRDC funded initiative “Maintaining profitable farming systems with retained stubble in Central West NSW”. This project has explored the many variables with retaining stubble,...
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Maintaining Profitable Farming Systems with Retained Stubble Across Various Rainfall Environments – Summary of GRDC Stubble Project

Authors: (Compiled by Tony Swan) Tony Swan (CSIRO Agriculture), Paul Breust (SFS), Claire Brown (BCG), Amanda Cook, Blake Gontar (SARDI), James Hunt (CSIRO Agriculture, La Trobe University (current address), Kellie Jones (FarmLink Research), Clive Kirkby (CSIRO Agriculture), Helen McMillan (CWFS), Michael Nash (SARDI), Sarah Noack (Hart Field Site Group), Trent Potter (Yeruga Crop Research), Brad Rheinheimer (CSIRO Agriculture), Cassandra Schefe...
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2016 Commercial Stubble vs Cereal

2016 Cereal response to stubble treatments in Central Western NSW Key Points from 2016 Burning or cultivating 2015 stubbles tended to produce higher yields, however this was only significant at UngarieHigh rainfall and a soft finish removed the benefit of stored soil moisture that stubble retained systems may have providedNitrogen was the limiting factor for both yield and protein for...
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Yellow Leaf Spot

Managing yellow leaf spot in stubble retained systems in Central West NSW Locally specific guidelines and support for a proactive approach to disease management within retained stubble systems. Key messages: Stubbles carrying high loads of yellow leaf spot inoculum are the major source of crop infection. Decomposition or removal of stubble reduces inoculum.Yellow leaf spot is most severe when successive...
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The Effects of Strategic Stubble Treatments on Nitrogen Response in Wheat

Central West Farming Systems are conducting a nitrogen response trial at a variety of regional sites. The trials are investigating the impacts of different stubble treatments (imposed late in fallow) on nitrogen response, wheat yield and quality. The trials will allow CWFS to evaluate any interaction between pre-sowing stubble treatments and the timing of top dressing. During the year of...
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Inter-row Sowing

The question here is whether to sow on the row or within the inter-row. Sowing on the previous years row instead of the previous years inter row has been shown to enhance soil water content although it may leave you open to disease threats such as crown rot. This article will look to weigh up the benefits of both systems....
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Slowing Crown Rot Build Up by Inter Row Sowing

Research that was conducted in NSW and Queensland has indicated that inter row sowing has proven to be a useful tool when reducing the build up of crown rot innoculum within control traffic systems. In minimum till cropping system the fungus Fusarium pseudograminearum (crown rot) has become concentrated within the rows of the previous years winter cereal crop. Dr Steven...
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Appyling Pre-Emergents in Stubble

There are a range of benefits when it comes to using pre-emergent herbicides within your integrated weed management strategy for the year. The core benefits of pre emergent herbicides includes:  1# Pre-emergent’s offer an alternative mode of action 2# Reduces the selection pressure on post emergent herbicides 3# Eliminates the early season weed burden 4# Cost savings in the fallow where multiple knock...
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