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Haifa MKP™ - monopotassium phosphate fertilizer

Efficient source of phosphorus and potassium for plants


Haifa MKP™ is the preferred source of phosphorus and potassium when nitrogen fertilization should be limited:

· At the early stages of the growth season when phosphorus and potassium are needed at high rates for the establishment of root system.

· During the productive stages of sugar-rich fruit crops, to increase sugar content and to improve fruit quality.

Haifa MKP™ can be applied in combination with other fertilizers to meet crop nutritional needs throughout the growth cycle.


High purity and water-solubility make Haifa MKP™ an ideal fertilizer for Nutrigation™ (fertigation) and for foliar application

In addition, Haifa MKP™ is suitable for preparation of fertilizer blends and production of liquid fertilizers.

Haifa MKP™ contains 52% P2O5  and 34% K2O

The benefits of Haifa MKP™

  • Fully water-soluble
  • Consists of 100% plant nutrients
  • Free of chloride, sodium and other detrimental elements for plants
  • Safe for plants and humans, due to moderately low pH and low salt index

View product technical sheet


Water solubility

The solubility of Haifa MKP™ is enhanced by increase in water temperature, as shown in the following table.

Water temperature (ºC) 0 10 20 30 40
Solubility (g/100g water) 14.8 18.3 22.6 28.0 33.5


pH and EC

Haifa MKP™ has a moderately low pH that remains almost constant at different concentrations.

Concentration (%) 0.1 0.2 0.3 1.0
PH 4.7 4.6 4.6 4.4
EC (mS/cm) 0.86 1.66 2.5 7.4



It is recommended to use Haifa MKP™ as a source of phosphorus and potassium where nitrogen levels should be kept low. Featuring moderate acidity, Haifa MKP™ is not corrosive to fertilizer pumps or irrigation equipment.
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Compatibility: Haifa MKP™ is compatible with most water-soluble fertilizers, except for fertilizers containing calcium or magnesium.


Foliar nutrition

Foliar application of Haifa MKP™ is an optional supplement to soil fertilization at growth stages when high levels of phosphorus and potassium are required. An early season foliar application of Haifa MKP™ promotes the establishment of a healthy root system.

Haifa MKP™ is compatible with most used pesticides and fertilizers. However, it should not be mixed with calcium or magnesium fertilizers. Iron, manganese, zinc and copper must be in the form of chelates.
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