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.

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
Sojameal |
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 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 |
* please contact us for information regarding a specific crop.
Storage
Storage in a well ventilated place away from moisture.
Delivery
This product can be delivered as:
• Big bags from 500 kg
• 25 kg bags