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Same Field,
More Yield

From Rock to Fork

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Improve nutrient uptake and increase productivity by applying Polysulphate in the autumn.

PhosphatePotassiumSulphur

Phosphate

  • Critical for early cell division and root development
  • Promotes early maturity and uniform crops
  • Lack of phosphate leads to stunted growth and poor rooting
  • Helps the plant cope with stress under colder weather conditions

Essential nutrients 
for establishment

Potassium

  • Required with sulphur for improved nitrogen uptake
  • Helps reduce stress and disease in the crop
  • Known as the ‘yield and quality’ nutrient
  • Required for every single process within the plant

Sulphur

  • With potassium helps capture soil nitrogen
  • Essential for photosynthesis within the plant leaf
  • Improves crop winter hardiness
  • Vital for the formation of oils and protein in the plant
View productsCalcium

Calcium

  • Essential for root and shoot tip growth
  • Helps increase product shelf life and storage
  • Required to grow strong, healthy crops
  • Critical for cell division and absorption of nutrients

Our fertiliser advice

Sulphur - why it's not just for Spring

Polysulphate - helping farmers and the environment

How to increase nutrient use efficiency

Further ReadingFurther ReadingFurther Reading

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

Magnesium

Magnesium

  • Important for establishing root systems
  • Necessary for cell division and protein formation
  • Required for phosphate metabolism
  • Essential for photosynthesis
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


Let's get in touch

Ask your local merchant for Polysulphate 
and other FertilizerpluS products.

For more information please visit polysulphate.com

Use Polysulphate to boost autumn establishment

Polysulphate Barley Trial

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ICL PotashpluS Potato Trial

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Polysulphate OSR Trial

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ICL Autumn Establishment Trials

ICL Cover Crops Research

Cover and catch cropping are growing in popularity as farmers seek effective ways to retain nutrients, in particular nitrogen, in their soils. Trials have shown Polysulphate significantly increased nitrogen capture.

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Polysulphate Vining Peas Trial

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Polysulphate Winter wheat Trial

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