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HaifaStim™ Mar

Ascophyllum nodosum, intertidal seaweed from the North Sea, survive in some of the most difficult growing conditions on the planet. As a result, it contains a wide range of beneficial component such as Alginic Acid, Mannitol, polysaccharides, Betaines and more.

HaifaStim™ Mar is an extract of those components who acts in synergy to improve plant development, crop quality, soil fertility and structure and abiotic stress resistance.


Soil fertilityEnhanced nutrients uptakeSoil structureStress resistance

Product specification (typical values)


AppearanceBlack micro flakes
Potassium oxide (K2O)20.0% w/w
Alginic acid10.0% w/w
Mannitol4.0% w/w
Betains0.1% w/w
Cytokinins0.6% w/w
Organic Carbon (C)20.0% w/w
Organic matter water soluble40.0% w/w
Organic nitrogen (N) water soluble1.0% w/w
Amino Acids and polypeptides6.3% w/w
Carbohydrates35.0 %w/w
pH (1% solution)9.2
Density (20 0C)0.76 g/cm3
Solubility (20°C)>450 gr/l



Suggested Application

HaifaStimTM Mar is compatible with most standard fertilizers and can be used in NutrigationTM and foliar application.


Available formulae

Haifa Stim™ Mar is also available as an ingredient in various Poly-Feed™ Mar NPK formulas: 20-20-20, 16-8-32, 15-15-30, and others.
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