Osmo Pro 4-4-4

Solid Fertilizer

Osmo Pro 4-4-4 is an organic plant based fertilizer that will contribute to soil organic matter and soil fertility. The mix of organic raw materials makes a sophisticated compound fertilizer with controlled release of nutrients over time.

The period of releasing nutrients is minimum 90 to 120 days. Osmo Pro 4-4-4 is a fully plant based fertilizer. Due to the balanced amount of NPK this fertilizer is a good basic fertilizer. Osmo Pro 4-4-4 can be used complementary with other fertilizers. The fertilizer has a high magnesium content. The addition of seaweeds results in positive effects on photosynthesis. Seaweed can decrease plant stress. Osmo Pro 4-4-4 is certified for use in organic agriculture EC 834/2007 and EC 889/2008.

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Product characteristics

Pellet diameter crumb 2-3 mm
Organic matter 60%
Nitrogen (N total) 4%
Nitrogen (N organic) 4%
Fosforic acid anhydrid (P2O5) soluble in mineral acid 4%
Potassium oxid (K2O) soluble in water 4%
Magnesium oxid (MgO) soluble in mineral acid 4%

Raw materials

Rock phosphate
Cocoa shells,
Dryed seaweed

Unique characteristics:

– Plant based fertilizer
– Strong effect on soil fertility
– Balanced NPK ratio

– High in magnesium
– Positive effect on photosynthesist

Dosage averages

Arable land vegetables 1000-2000 kg/ha
Trees 3-6 kg/tree
Horticulture 1000-3000 kg/ha
Garden 1000-2000 kg/ha
Sports and lawns 1000-2500 kg/ha

*for a specific crop, please contact us.


Storage in a well ventilated place away from moisture.


– Big bags from 500 kg
– Plastic 25 kg bags