About this episode
William Burchill, FBD Lecturer in Soil Science in UCC, is on this week’s Dairy Edge podcast discussing Nitrogen Use Efficiency (NUE) from a wholefarm point of view but also from the point of nitrogen applied.
William explains how wholefarm Nitrogen Use Efficiency works and then how NUE can be used in terms of the fertilisers (organic or chemical) applied to land. William discusses the 4 Rs of fertiliser application: Right type, Right place, Right timing and Right rate.
William also outlines a fertiliser shopping list for farms which will include protected urea as the main source of nitrogen and the requirements for P and K being addressed through 16% Super P and Muriate of Potash (0:0:50) or compounds such as 18:6:12 or 0:7:30.
The response to sulphur (S) also needs to be considered for fertiliser applications with recent work showing up to 25% increase in grass growth where S is included.
Finally, William recommends people test their soil, test their slurry, build a nutrient management plan and follow it ensuring to use the allowances that are available to the farm due to the importance of keeping all nutrients at the appropriate index in order to drive grassland performance.
For more episodes from the Dairy Edge podcast go to the show page at:
https://www.teagasc.ie/animals/dairy/the-dairy-edge-podcast/
The Dairy Edge is a co-production with LastCastMedia.com
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