GRDC Grains Research Update Parkes 2019
Presented at:
This page contains update papers presented at the .
Browse all update papers below.
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Presented at
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• Using dual purpose crops increases management options to allow post drought recovery. • Assess pastures on density before the start of season. • Determine the area of pasture and crops required....
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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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• Barley is capable of maintaining a yield advantage over wheat in southern NSW across yield environments. • New barley varieties such as RGT Planet and Banks offer alternative phenology patterns compared to the benchmark fast spring type La Trobe. • In southern NSW, most spring barley types are still suited to traditional May sowing dates, and ear...
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• Phosphorus (P) stratification can impact on the critical P requirements of grain crops. In northern NSW and Queensland placing P at 20cm below the soil surface resulted in significant grain yield responses (~13% increase in wheat) (Bell et al., 2016). These findings are worth further consideration in other regions of the Australian grain belt par...
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• Fertiliser savings after drought or failed crop are possible with phosphorus (P) where there has been an extensive P fertiliser history and Colwell P values are at or above crop critical requirements. As a guide, one third of average crop P replacement can be applied down to a base level of 3-4kg P/ha. • Savings in nitrogen (N) are likely to be ...
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• The early results of this project showed great potential in improving soil structure and crop productivity in sodic subsoils using deep placement of organic and inorganic amendments. The increases resulted from improvement in the physical and chemical properties of the clay soil volume around the rip line containing the organic and inorganic amen...
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• Management of hard to control weeds requires an understanding of when the weeds germinate. • High efficacy is needed with the first herbicide mixture to achieve good double knock control of fleabane in summer. • Windmill grass needs to be controlled as soon as it is noticed, as the old plants are much harder to control. • Early autumn application...
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