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Soil Fertility Management after the Spreading Deadline
Seamus Kearney, Teagasc Tirlán Joint Programme Co-ordinator, joins Stuart Childs on this week’s Dairy Edge to discuss soil fertility actions that can still be taken despite the chemical fertiliser deadline passing for 2025.
Firstly, Seamus outlines the reduction in chemical nitrogen in the last 9 years and these reductions are becoming more conspicuous where soil fertility isn’t on point.
Seamus explains that lime is magic as it frees up 70-80kgs of N and frees up P and K that are locked up in the soil.
With increased output and output value in 2025, farmers may be exposed to the higher rate of tax and every €1 invested in lime can generate a return of 7:1 and if you’re in that high tax bracket, there is another win in that you can reduce the tax exposure but get really good value from the spreading of it this year and for subsequent years also.
Seamus also talks about K fertiliser applications and recommends that farmers apply 1 bag of Muriate of Potash (MOP) to increase the K levels as this will improve N utilisation and increase grass growth.
Seamus discusses bringing soil samples to life either by having the map on the tractor or by some form of markings out in the paddocks that will quickly identify the paddocks that need the different nutrients
Finally, Seamus says that people should keep things simple and by using protected urea and 18-6-12 and MOP for their fertiliser programme it is both environmentally friendly and €20/cow on current prices cheaper than other fertiliser regimes which can save €2000 for the average 100 cow herd.
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
Published on 4 hours ago