Osmo Pro 4-4-4

Solid Fertilizer

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

The period of releasing nutrients lasts from a minimum of 90 up until 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 contains a high proportion of magnesium. The addition of seaweeds results in positive effects on the photosynthesis. Seaweed can decrease plant stress.

Osmo Pro 4-4-4 is certified for use in organic agriculture in compliance with EC 834/2007 and EC 889/2008.

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Product characteristics

Pellet diametercrumb 2-3 mm
Organic matter60%
Nitrogen (N total)4%
Nitrogen (N organic)4%
Fosforic acid anhydrid (P2O5) soluble in mineral acid4%
Potassium oxid (K2O) soluble in water4%
Magnesium oxid (MgO) soluble in mineral acid4%

Raw materials

Rock phosphate
Cocoa shells
Dried 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 vegetables1000-2000 kg/ha
Trees3-6 kg/tree
Horticulture1000-3000 kg/ha
Garden1000-2000 kg/ha
Sports and lawns1000-2500 kg/ha

* please contact us for information regarding a specific crop.


Storage in a well ventilated place away from moisture.


This product can be delivered as:
• Big bags from 500 kg
• 25 kg bags