GRDC Grains Research Update Keith 2019
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This page contains update papers presented at the .
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Presented at
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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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• Highest yields for winter wheats come from early to late April establishment. • Highest yields of winter wheats sown early are similar to Scepter sown in its optimal window. • Slower developing spring varieties are not suited to pre-April 20 sowing. • Different winter wheats are required for different environments. • Flowering time cannot be ma...
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• Across 95 paddocks within the low, medium and high rainfall zones of central NSW, the average canola establishment was 48%, and ranged from 17% to 86%. • Seed size was the main differentiating factor that improved canola establishment. • Other key agronomic factors for improved canola establishment were stubble removal, reduced sowing speed, sha...
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• Harvest weed seed control is the final chance in the annual cropping cycle to reduce weed seed bank replenishment. • Management of herbicide resistance needs effective weed seed control. • Harvest weed seed control techniques vary widely in cost, reliability and ease of management....
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• A 26% increase in wheat yield was observed following balansa clover, compared to a wheat on wheat rotation. • Pasture legume phases can provide residual soil N levels comparable to that of pulse crops. • The use of double breaks to increase soil N for subsequent crops needs further investigation....
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