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Multi-K™- The world's pioneering Potassium Nitrate


Healthy plant growth requires large amounts of nitrogen and potassium, so these elements must be supplied regularly.  
Multi-K™, Haifa’s flagship potassium nitrate brand, is the basis of a whole line of plain and enriched products, designed to provide optimal plant nutrition under all growth conditions.



The benefits of Multi-K™ potassium nitrate

Stronger & healthier plants

♦ Higher yield and better quality

♦ Water saving

♦ Counteracting salinity damages

Multi-K™ is a necessity for chloride-sensitive crops.

The presence of nitrate in Multi-K™ enables the plant to minimize its uptake of chloride, whenever this damaging anion is present in the soil solution or in the irrigation water.


How the potassium in Multi-K™ helps your plants?

Multi-K™ is suitable for Nutrigation™/ Fertigation and foliar application. Multi-K™ Prills are ideal for direct soil application. The Multi-K™ line includes a complete range of products addressing a variety of crops, growth conditions and applications. 
How to choose the right potassium nitrate product for your crops? 


Haifa Multi-K™ Potassium Nitrate Products Range
Haifa Multi-K™ Classic
 Haifa Multi-K™ Classic - Potassium Nitrate 13-0-46 Multi-K™ Classic   13-0-46 Potassium nitrate


Special grades

Multi-K™ GG  |  Multi-K™ Phast  |  Multi-K™ Absolute  |  Multi-K™  Reci

Multi-K™ GG 13.5-0-46.2 Greenhouse - grade potassium nitrate
Multi-K™ pHast 13.5-0-46.2 Low - pH potassium nitrate
Multi-K™ Reci 13.5-0-46.5 Potassuim nitrate with low sodium content


Enriched products






Potassium nitrate enriched with phosphate
Multi-K™ Mg






Potassium nitrate enriched with Magnesium
Multi-K™ Zn




Potassium nitrate enriched with Zinc
Multi-K™ S 12-0-46+4SO3 Potassium nitrate enriched with Sulfate
Multi-K™ B 12-0-42+1B Potassium Nitrate enriched with Boron
Multi-K™ ME 13-0-45+ME Potassium nitrate enriched with micronutrients


Multi-K™ Prills

Multi-K™ Prills 13-0-46 Potassium nitrate prills
Multi-npK™ Prills Potassium nitrate enriched with Phosphorus
Multi-K™ Mg Prills Potassium nitrate enriched Magnesium


The roles of Potassium (K) in the plant:
Potassium (K) is a macro-nutrient, one of elements that the plant consumes in large quantities. It has many vital functions, among which: 

  • Formation of sugars and starch
  • Activation of enzymatic reaction
  • Keeping turgor
  • Regulation of the opening of leaf stomata
  • Building cell walls


Thus, potassium improves plant durability and yield quality:

  • Improved drought resistance
  • Increased winter hardiness
  • Better disease resistance
  • Higher yield and better quality
  • Longer storage life

6 things you should know about Multi-K