GRDC Grains Research Update Bendigo 2019
Presented at:
This page contains update papers presented at the .
Browse all update papers below or click Download PDF.
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Presented at
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• Field trials conducted during 2016 and 2017 showed that mid-row banding nitrogen (N) fertiliser in-season significantly increased uptake of fertiliser N by wheat compared to surface application. • The effects of N placement on grain yield have been more variable — mid-row banding significantly increased grain yield compared to banding below the s...
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• The water use efficiency (WUE) of wheat in most paddocks in western Victoria was well below physiological potential from 2013-2016, however some leading growers were close to this potential. • Crop management is critical to reducing the gap between actual and potential yields. • Nitrogen (N) management is the most important predictor of WUE, foll...
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• A lack of community trust in some farm practices is leading to the potential for disruptive change. • Dispassionate facts are not competitive in many social licence debates. • The grains industry must learn how to communicate what it does in a way that the community will relate to....
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• The p value needs to be less than 0.05. • It is good if the CV% is less than 10%. • Values must be greater than the LSD apart to be significant. • Always ask for statistical analysis....
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Paper presented at the Dubbo, Coolah, Spring Plains and Goondiwindi GRDC Grains Research Updates February and March 2019 by Guillaume Jourdain on green on green camera spraying...
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• At three sites in the high rainfall zone (HRZ) of Victoria, the reduction in wheat yield due to waterlogging ranged from nil to 38%, with a decline in total nitrogen (N) uptake from nil to 40%. • The effect of waterlogging on the crop was influenced by several factors including the depth of waterlogging, the duration of waterlogging, the aeratio...
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• High amounts of chaff are required for suppression of weed emergence in chaff lines. • ‘Weed chipper’ is a targeted tillage system for fallow weed control. • Site-specific weed control creates the opportunity to use alternative physical weed control technologies....
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• Be clear in your role. • Be thorough in your advising and avoid giving instant answers when the situation is complex. • Be mindful of taking on another person’s stress. • Accept that not all growers will make the decision you want them to. • Set boundaries to allow recovery time....
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• Crop yield responses to subsoil manuring could be due to the nutrients contained in the poultry litter (i.e. improved soil fertility) or the amelioration of a (sub)soil constraint (e.g. soil structural improvements). • To separate these effects and attribute yield responses correctly, experiments must have appropriate control treatments: a surfac...
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• Liming to maintain good soil pH levels and avoiding yield losses is just as important as applying fertiliser for maximising yields. • If growers let soil pH levels in the topsoil run-down (pH in CaCl2 < 5.0) they are at risk of creating soil acidity issues at depth which are harder and more expensive to treat. • In general, not enough lime has be...
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