Origin UK Operations Limited

Secondary Nutrients


Secondary nutrients are as essential as all nutrients but are required in smaller quantities. The three main secondary nutrients are Magnesium, Sulphur and Calcium. Please also see our Micro Nutrients or trace elements page for information on Boron, Manganese, Iron, Copper, Zinc.


Sulphur can be included in NPK blends or supplied via our Nitrogen and Sulphur range of products including Ammonium Sulphate, Ammonium Sulphate Nitrate (Sulphur N / ASN) or Urea Sulphur grades.


Calcium can be supplied via Calcium Ammonium Nitrate as a straight fertiliser or as a part of a NPK blend. We also supply Calcium Nitrate and calcified sulphur. Our Gafsa range of products also contain calcium.


Magnesium is available via Kieserite / Korn Kali or patent kali which can be sold as straight fertilisers or included in tailored NPK blends. Calcined Magnesite is also available.

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