GRDC Grains Research Update Adelaide 2019
Presented at:
Proceedings of the 2019 Adelaide GRDC Grains Research Update. Topics include how to earn community trust in agriculture, international grain competitors, under-performing sandy soils, emerging pulse root diseases in South Australia and more.
This page contains update papers presented at the .
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Presented at
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• Across a wide sowing date range and mostly very dry and frosty seasonal weather conditions, mid-season maturing wheat and barley varieties were generally most dominant in 2018. • Vixen (Australian Hard (AH)), Scepter (AH), Beckom (AH), LRPB Arrow (AH) and the Clearfield® varieties, Razor CL Plus (Australian Standard White (ASW)) and Sheriff CL Pl...
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• Research results from the GRDC Hyper Yielding Cereals (HYC) project have set new benchmarks for the yield performance of irrigated feed wheat with plot yields in excess of 15t/ha in 2016 and in excess of 12t/ha in 2017. • Higher final harvest dry matter is essential for higher grain yields. Crop canopies producing 30t/ha-35t/ha dry matter at har...
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• Soil acidity is increasing in low buffered soils in the low to medium rainfall cropping zone. • New decision support tools are available to compare liming products, estimate paddock acidification rates and determine the economic cost of doing nothing. • pH stratification under no-till and sub-surface acidification are issues which need different ...
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• Until recently, DNA markers have been ineffective when breeding for complex traits such as grain yield. • Genomic selection is a strategy which uses thousands of DNA markers to predict the performance of new breeding lines. • This research has identified effective and efficient strategies for implementing genomic selection, and increasing the rat...
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• Controlling Group A and Group B herbicide resistant annual ryegrass and Group B resistant common sowthistle in break crops is becoming increasingly challenging. • Resistance in ryegrass to pre-emergent herbicides such as Boxer Gold® and Sakura® has been confirmed in high break crop intensity (HBCI) systems. Therefore, very careful use of these c...
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• Understand the nature and ramifications of ongoing international competition. • Diversify your crops, enterprises, marketing opportunities and where possible, play the season. • Know and manage your supply chain; paddock to grain receival....
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• Stocks of soil organic matter (SOM) and nitrogen (N) are limited resources and current trends across Australian agricultural soils indicate that these are declining (Luo et al. 2010). • Soil derived N can contribute to the amount of N available to a crop. As the capacity of a soil to deliver N declines, increased rates of fertiliser N will be req...
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• A farmer’s freedom to operate is enabled by an industry’s social licence, defined as the privilege of operating with minimal formalised restrictions based on maintaining community trust. • Shared values are three to five times more important than demonstrated technical ability or science in building trust. • An individual’s level of trust is dete...
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• Try to add as many ‘one percenters’ into your farming system as possible to reduce annual ryegrass setting seed into your soil weed seed bank. • Implement both sowing and harvesting integrated weed management (IWM) strategies. • There is a fit for east-west (E/W) sowing, but the yield response is greater for wheat compared to barley. • At sowing,...
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• Burial of weed seeds under chaff can reduce seedling emergence, but the amount of suppression depends on weed type, chaff type, and amount of chaff cover. • There is no evidence as yet that weed seeds rot more quickly in chaff tramlines, but it is likely environmental conditions and weed seed type could make a difference. • Stripper fronts and co...
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