Analysis: 22.7% Phosphorus, 28.5% Potassium

Bag Size: 25kg

A fully soluble fertiliser comprising Potassium and Phosphorus, recommended for vegetables, fruits, vines, flowers, turf and ornamentals.

Nutrient Forms:

The Mono Potassium Phosphate as Solu-MKP is the most readily available fertiliser form of Potassium and Phosphorus available. As a Nitrogen free fertiliser, Solu-MKP is the preferred source of Phosphorus and Potassium when Nitrogen should be limited.


Campbells Solu-MKP Technical Grade is a fully water soluble fertiliser, containing two essential elements for your crops development, providing immediately available Potassium and Phosphorus.


Campbells Solu-MKP is suitable for application via irrigation systems on any growing medium, and for hydroponic systems where a quick response is required. It dissolves rapidly and completely and remains in solution ready for root adsorption or is taken in via leaf surfaces.

Campbells Solu-MKP Technical Grade is particularly important for:

  • Root establishment
  • Early growth stages of root and vegetable crops
  • Fruit and vegetable size, sugar and colour development
  • Flower development of fruit trees and ornamentals


General fertigation rates for horticultural crops are between 25 to 70 kg/ha.  When applying Solu-MKP through the irrigation system more frequent and smaller applications guarantee the nutrients are supplied to the plants without being lost due leaching or excessive rainfall. The actual rates, number of applications and their timing will vary considerably for different crops and for different districts. Before application, seek advice from your Campbell’s distributor or your local agronomist.