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Improved soil structure and vitality 

♦ Enhances nutrient uptake

♦ Improves availability of phosphorus and micronutrients

♦ Alleviates abiotic stresses

HaifaStim™ HumiK is a rich liquid formulation containing stable humic extracts from leonardite with an optimal ratio of humic and fulvic acids (1.3 to 1.0).
HaifaStim™ HumiK is suitable for all crops and highly recommended for greenhouse crops, orchards, vineyards, olive, citrus, strawberry, ornamental plants and lawns. It is ideal for application by foliar sprays and Nutrigation™.
HaifaStim™ HumiK is approved in Organic Farming in accordance with Regulations (UE) No 2018/848 and 2021/1165
Control ECOCERT SA F - 32600


  • 5 l (5.7 kg) canisters in 20 l (22.8 kg) box on 800 l (912 kg) pallet
  • 20 l (22.8 kg) canisters in 40 l (45.6 kg) box on 840 l (957.6 kg) pallet


  HumiK HumiK 21
Total Nitrogen (N) 0.1% 0.2%
Organic Nitrogen (N) 0.1% 0.2%
Potassium oxide (K2O) 7.2% 10.8%
Total Organic Carbon (TOC) 8.5% 11.0%
Total Organic Matter 17.0% 22.0%
Bioactive compounds
Humic and Fulvic Acids 16.0% 21.0%
Humic Acids 9.0% 14.0%
Fulvic Acids 7.0% 7.0%

Physiochemical properties

  HumiK HumiK 21
Speific gravity  (at 25oC) 1.14 g/cm3 1.2g/cm3

pH & EC

Concentration w/v 1 g/l 3 g/l 1 g/l 3 g/l
EC (mS/cm at 25°C) 0.21 0.71 0.33 0.94
pH at 25oC 7.6 9.6 10.4 11.2



It is advised to enrich mineral nutrition with HaifaStim™ Humic during the srtage of establishment. In deciduous trees and vineyars, it is recommended to use HaifaStim™ Humic from bud breaking to the vegetative stage.
Compatibility: HaifaStim™ Humic can be mixed with most fertilizers and agrochemicals, except for products with a strong acid reaction and fertilizers with high concentrations of divalent cations (calcium, magnesium, etc.).
Download the full product brochure for more explanations and detailed recommendations





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