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Grow stronger

crops, today

Same Field,
More Yield

From Rock to Fork

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ICL Polysulphate is a natural sulphur fertiliser, helping farmers increase productivity, in a more sustainable way.

Use Polysulphate to boost autumn establishment

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Our fertiliser advice

Polysulphate - helping farmers and the environment

How to increase nutrient use efficiency

Further ReadingFurther Reading

Effective crop establishment and root development is the foundation on which yield and quality is built.

Every seed sown has a theoretical yield potential which can be reduced over the growing season by a host of factors including poor seedbeds, adverse weather, pest or diseases and inadequate nutrition. Polysulphate is proven to help boost autumn establishment.

ICL Boulby, UK - The world's first and only Polyhalite mine.
Servicing our customers for over 50 years.

ICL Boulby Mine is located in the North Yorkshire moors and has been mining potash, salt and most recently, Polysulphate (granular polyhalite) since 1973.

We have been proudly supplying UK and Ireland farmers for over 50 years, most recently working with food companies or initiatives to reduce carbon footprints and improve sustainability.

ICL Boulby also supplies de-icing rock salt used on the UK road system during the winter..

Sulphur - why it's not just for Spring

How to increase nutrient use efficiency

Polysulphate - helping farmers and the environment

Further Reading

P & K: Essential nutrients to minimise risk

P & K: Essential nutrients to minimise risk

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ICL location

Boulby Mine, Loftus
Saltburn. TS13 4UZ. UK


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Ask your local merchant for Polysulphate 
and other FertilizerpluS products.

For more information please visit polysulphate.com

Prolonged nutrient release to improve NUE and reduce leaching

Spreads accurately up to 36 m

Increases root development and establishement

Four essential nutrients for improved yield and quality

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Why do crops need sulphur?

Sulphur is established as the fourth major nutrient that is essential for UK arable and forage crops to achieve yield and quality potential, but making the most of this element requires effective timing.


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Polysulphate is approved for organic farming

What is Polysulphate? 

Polysulphate Barley Trial

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ICL PotashpluS Potato Trial

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Polysulphate OSR Trial

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ICL Crop Trials

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Polysulphate Winter wheat Trial

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Ask your local distributor about the ICL Polysulphate product range

Effective crop establishment and root development is the foundation on which yield and quality is built.

Every seed sown has a theoretical yield potential which can be reduced over the growing season by a host of factors including poor seedbeds, adverse weather, pest or diseases and inadequate nutrition. Polysulphate is proven to help boost autumn establishment.

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