Farmer in a field reviewing the crops Farmer in a field reviewing the crops

Spreading nitrogen and sulphur at the same time means more grass

Applying fertilisers containing nitrogen and sulphur means the grass uses nitrogen more effectively, you get more kgs of dry matter per kg of nitrogen that you apply

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Have you noticed the decline in Grassland P & K Fertility?

The latest 2023 British survey of fertiliser practice published in July does not paint a good picture for the state of grassland soil fertility in Britain. The overall P & K application rates on grassland, and the percentage area of grassland that receives a fertiliser dressing of P & K has not recovered since 2022, which is a concerning national trend. Only 22% and 24% of grassland receives P and K respectively, down from 37% and 39% in 2021.

On those fields that receive P and K, there was a 1 kg increase in field P rates on both grazing and silage from last year and an increase in K of 2 kg and 3 kg for grazing and silage fields respectively. Grazing will be hit hardest if P applications are forgone, while silage yields are more at risk if K applications are missed or reduced. It should be remembered that K is also lost through leaching, and with above average rainfall comes above average  K leaching losses.

The upshot of declining soil P & K fertility is poorer grass growth, and reduced nitrogen use efficiency which hits both the pocket as grass is the cheapest feed source and potentially water quality and nitrous oxide emissions. If farmers apply the same amount of nitrogen on fields with declining soil P & K fertility, then lower yields capture less nitrogen, leaving more residual soil nitrogen at risk of soil denitrification and leaching.

Grassland agronomy advice

The latest grassland fertiliser and nutrition advice from the Yara agronomists.

Image of grass
Pay close attention to your phosphate applications this Spring
Phosphate (P) is a key nutrient for grass. Its role in energy supply, root growth and tillering make its availability crucial for grass growth in the spring.
Cows in a field
Spring Grassland Fertiliser Update
How are your plans looking for the grass season ahead? The focus in January should be on planning for spring grazing and 1st cut silage.
Farmer feeding hay to cows in a farm
Reduce the fire risk around hay
In hot, dry conditions farmers face increased fire risk, especially across the first six weeks after hay baling.
Grassland field
Managing Grassland in Drought Conditions
Our summers seem to be getting hotter, we’ve seen four of the five warmest summers on record since 2003.
Farmer and Agronomist reviewing the grass within a
How Wet Conditions are Challenging Grassland Farmers
One of the things that keeps farming interesting is that every year is different. Of course this can also be incredibly frustrating, presenting new challenges year on year.
Farmer and Agronomist reviewing the farm soil
Research confirms sulphur benefits on grassland
Sulphur (S) research from Teagasc highlights some interesting findings on S applications on grassland. Using lysimeters and a sandy loam soil they found N + S applications increased grass yields by 30%, compared to N only plots over the course of 7 cuts.
See all Grassland and Forage Advice

Grassland fertiliser selector

If you are not sure which grassland fertiliser to choose try using this selector to help you in the right direction.

Are you looking for a fertiliser for Grazing or Silage ?
Just nitrogen plus sulphur (NS) or nitrogen, phosphate, potassium and sulphur (NPKS)?
With or without Selenium for animal health?
With or without Phosphorus?
For application in Spring or Summer?

Based on the information you have given the best choice of fertiliser would be YaraBela Axan.

YaraBela AXAN (27% N + 3.6% S) is a uniform compound granular nitrate based nitrogen and sulphur fertiliser with an N:S ratio of 7.5:1 suitable for use on grassland where nitrogen and sulphur are required but no phosphate or potassium, and where no selenium is required.

YaraBela Axan

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Based on the information you have given the best choice of fertiliser would be YaraBela Nutri-Booster.

YaraBela NUTRI BOOSTER (25% N + 2% S, Na and Se) contains nitrogen and sulphur coupled with selenium.suitable for use on grassland where nitrogen and sulphur are required but no phosphate or potassium, together with selenium for increased animal health.

YaraBela Nutri-Booster

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Based on the information you have given the best choice of fertiliser would be YaraMila Super Booster

YaraMila SUPER BOOSTER (25-2.2-4.2 + 2% S and Se) is a compound prilled NPKS fertiliser containing sodium selenate for use on grassland to supplement selenium levels where nitrogen, phosphate, potassium and sulphur are all required together with selenium to improve livestock health.

YaraMila Super Booster

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Based on the information you have given the best choice of fertiliser would be YaraMila Sulphur Cut

YaraMila SULPHUR CUT (22-1.7-11.6 + 3%S) is a compound NPKS grassland fertiliser ideal for replacing the large amount of potash removed after silage whilst kick starting the regeneration of the grass plants with nitrogen together with sulphur and phosphate, when selenium is not needed.

YaraMila SULPHUR CUT

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Based on the information you have given the best choice of fertiliser would be YaraMila Extragrass

YaraMila EXTRAGRASS (27-2.2-4.2 + 2.4% S) is a compound granular NPKS fertiliser ideally suited to little and often application for Spring/Summer application to grassland for index maintenance and high recovery growth rates. With Nitrogen, Phosphate, Potash and Sulphur in every granule this product give the maximum return in investment by supplying the crop with all the nutrients it requires.

YaraMila Extragrass

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Based on the information you have given the best choice of fertiliser would be YaraMila New 18's + S.

YaraMila NEW 18’s + S (18-6-11 + 3%S) is a compound NPKS fertiliser recommended for early Spring grazing application or paddocks with lower P&K indexes. By frontloading grazing ground with high P & K levels this will improve soil fertility and ensure that you maximise grass growth over the entire season. 

YaraMila New 18's + S

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Based on the information you have given the best choice of fertiliser would be YaraMila Zero P Sward.

YaraMila ZERO P SWARD (26-0-5 + 4% S) is an NK plus S fertiliser used where no phosphate is required and where some potash is required in the grazing system.

YaraMila Zero P Sward

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Based on the information you have given the best choice of fertiliser would be YaraMila Zero P Cut.

YaraMila ZERO P CUT (24-0-10 + 2% S) is a compound fertiliser supplying nitrogen potash and sulphur, often used after first cut silage where no phosphate is required.

YaraMila Zero P Cut

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