GRDC Grains Research Update Balaklava 2020
Presented at:
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13th Feb 2020 to 13th Feb 2020Update Event
Balaklava, SA
Sponsored by GRDC: GRDC Grains Research Update (Balaklava)
GRDC Grains Research Update (Balaklava)
Region: South
This page contains update papers presented at the GRDC Grains Research Update (Balaklava).
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Presented at GRDC Grains Research Update (Balaklava)
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Take home messages • It is a legal requirement to follow all label directions when applying any chemical. • There are different perceptions and legal/contractual requirements of key domestic and export markets for chemical residues. • There are market access implications when using chemicals; applying a chemical according to label directions does n...
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Take home messages • Frost damage can be detected through sensing but cultivar, plant component, canopy structure and time after frost affects the spectra. Consequently, there are some approaches that look promising but there is currently no unique index that can consistently detect frost damage. • Temperature variation within canopies due to canop...
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Take home messages • Applying a single frost to wheat at flowering reduced yield by 7% for every degree below zero (up to -4°C), however, this increased to a reduction by 12% for every degree below zero when applied over two consecutive nights (up to -3°C). • Remote sensing spectral indices including normalised difference vegetation index (NDVI), n...
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Take home messages • Deep ripping is most effective in deep sandy-textured soils, when the ripper tines go beyond the compacted layer (+60cm). Grain yield increases usually persist for several years on deep sands. • Based on 2 years of limited data in SA, ripping with narrow (30cm) or wide (60cm) tine spacing resulted in similar grain yield respons...
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Take home messages • Resistance to pre-emergent herbicides is increasing across southern Australia. • New pre-emergent herbicides are becoming available; however, it is vital that these are used appropriately to get the best results. • Rotating pre-emergent herbicide modes of action and using other weed management practices will be essential to man...
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Take home messages • There is no single answer as to which HWSC tool is best. It depends! • The Estimated Cost of HWSC model aims to give you the most accurate estimate of cost of HWSC based on what we know now. • The total cost per hectare can be relatively small when all things are considered. • Give the model (https://ahri.uwa.edu.au/whats-th...
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