Organic Fertilisers

We can supply fertilisers approved for use in organic production systems.

For organic farmers who are looking for approved organic fertilisers to suit their individual needs

Our products are tried, tested and proven in Ireland and the UK

Contact our team or your local fertiliser stockist for more details on our Organic Fertiliser Range


Polysulphate® is a versatile and valuable source of prolonged release Sulphur (S), containing Potassium (K), Calcium (Ca) and Magnesium (Mg) in soluble, readily absorbed forms.

Polysulphate® is fully approved for organic use, contains low levels of chloride and has a lower carbon footprint than standard practice.

Want to know more about Polysulphate?

ESTA® Kieserit
  • ESTA® Kieserit gran is a source of Magnesium and Sulphur

  • It contains 15% Magnesium and 20% Sulphur

  • It is a fast acting water soluble fertiliser which is available to plants at all pH’s

  • ESTA® Kieserit gran is, as a crude salt, approved according to regulation (EC) 834/2007 and (EC) 889/2008 for use in organic farming systems

  • ESTA Kieserit gran is available as a straight or can be included in a blend

  • Want to know more?


Sulphate of Potash
  • Sulphate of Potash is a highly concentrated two nutrient fertiliser 
  • Sulphate of Potash - (42% K, 16% S) is water-soluble potassium and sulphur fertiliser 
  • As the nutrients in Sulphate of Potash are water-soluble, they are immediately available to the plant.
  • Sulphate of Potash is almost chloride free and therefore ideal for chloride sensitive crops
  • Sulphate of Potash has a low salt index and thus is especially suitable for valuable special purpose crops in intensive cropping systems
  • Sulphate of Potash is, as a crude salt, approved according to regulation (EC) 834/2007 for use in organic farming systems