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 the UK and Ireland


GAFSA Basic (Org) 0-29.5-0 powered, Phosmin (Org) 0-27-0, Natural 2 (Org) 0-18-17 and Natural 3 (Org) 0-13-26 are Soil Association approved.

Want to know more about GAFSA BioPHOS?

Want a copy of the Organic certificate?


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?

Want a copy of the Organic certificate?

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

  • It contains 15% (25% MgO) Magnesium and 21% (50% SO3) 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 containing Magnesium Salt, with S 30/10.
  • Patentkali is a unique potash based fertiliser developed by combining fully soluble and naturally occurring minerals to produce the optimum nutrient ratio for potatoes, vegetables and fruit crops.
  • It has been developed to maximise the efficiency of nutrient usage by providing three macronutrients in combination thereby adequately securing the crops requirements for the duration of the growth period.
  • Patentkali is a complex compound fertiliser (CCF) in granular form which means that every granule contains all the nutrients present for maximum availability and nutrient distribution.
  • Patentkali will spread with a uniform pattern at bout widths up to 36m.



Magnesia-Kainit is a mined potash crude salt with natural magnesium and sulphur from kieserite.

It is extracted from natural crude salt deposits in Germany.

Magnesia-Kainit is soluble in water and immediately available to plants.

The analysis of Magnesia-Kainit is 0-0-9 + 4MgO + 35Na2O + 9SO3. It is used as a raw material in many of our NUTRI-MATCH prescription blends.

Magnesia Kainit is organically registered.

Want a copy of the Organic certificate?

Sulphate of Potash
  • Sulphate of Potash - 50% K2O is water-soluble potassium oxide 45% SO3 water-soluble sulphur trioxide
  • Sulphate of Potash gran. is a highly concentrated two nutrient fertiliser with 50% K2O and 18% S as sulphate
  • Sulphate of Potash gran. is water-soluble, so that the nutrients K and S are immediately plant available
  • Sulphate of Potash gran. is almost chloride free and therefore ideal for chloride sensitive crops
  • Sulphate of Potash gran. has a low salt index and thus is especially suitable for valuable special purpose crops in intensive cropping systems
  • Sulphate of Potash gran. is, as a crude salt, approved according to regulation (EC) 834/2007 for use in organic farming systems