Polysulphate® is crushed polyhalite, a natural mineral found deep underground beneath the North Sea close to the UK coast. Polysulphate® is simply mined, crushed, screened, loaded and shipped worldwide. There are no chemical processes. It is ready to use straight from the mine on farmers’ fields. Available in standard and granular forms.
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  • Water soluble nutrients in sulphate form
    Fully water soluble with all cations in sulphate form to improve nutrient uptake.
  • Improve yield and crop quality
    Prolong storage life of crop, leading to higher crop productivity and crop quality.
  • Prolong nutrient release
    The nutrients are slowly released into soil with minimal leaching effect.
  • Suitable for all crops including chloride sensitive crops
    Low chloride, salinity and salt index to provide a risk-free environment to all crops.
  • Suitable as soil conditioner
    Neutral pH to improve acidic soil condition while supplying nutrients at the same time.
  • Low carbon footprint
    Lower carbon footprint value compared to most common fertiliser as a measurement of friendly environment.
  • Approved for use in organic agriculture
    Concentrated organic product as approved by OMRI.
  • Compatible with other fertilisers
    Easily blended with other fertilisers for better granulation.
Total Potassium (K2O) 14%
Total Magnesium (MgO) 6%
Total Calcium (CaO) 17%
Total Sulphur (S) 19%
Total Boron (B) 200 ppm
Granule size (Granular form) min 90% 2-4 mm