GRDC Grains Research Update, online - Nitrogen decision-making for summer crop 2022/23

Past online event

Summary

The wet conditions in 2022 have implications for nutrition for the 2022/23 summer crop.  Join us as northern region nutrition experts discuss and answer questions on summer crop nitrogen decisions for summer 2022/23.

Speakers: David Lester (QDAF), Mike Bell (UQ), Bede O'Mara (Incitec Pivot)

Topics:

• The current situation with soil N.
  • How large have denitrification losses been?
  • Where has N leached to?
  • How much N has been mineralised?
  • How much of N applied a while back is still there?
• Strategies to fertilise summer crops in 2022/23
  • Risk of loss when applying N to a wet profile?
  • Broadcast or drill or side band in crop?
  • Economics of denitrification inhibitors/type of N used?
  • Best bet strategies for different situations.

Video

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