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What are the advantages of organic fertilizers?

What are the advantages of organic fertilizers?Sustainability and environmental friendliness are gaining more and more popularity amongst consumers in the horticultural sector. Organic fertilizers can play a role. These fertilizers are completely built from natural raw materials of plant or animal origin. The biggest difference with chemical fertilizers is that organic fertilizers improve the soil’s health and condition, which increases the fertility.

Airy soil structure

The use of these fertilizers leads to an augmentation of micro-biologic activity in the soil. Organic fertilizers are broken down by organisms in humic acid and amino acid. During this process oxygen is needed and air is drawn, making the soil structure airier. Due to this combination, a rich, healthy soil with a good biodiversity is created. Because of this, the plant can get enough nutrients and humidity from the soil, resulting in a healthy crop with high resistance against diseases and pest. 

Longer availability

Another difference with the chemical fertilizers is that the nutrients (nitrogen, phosphorus and potassium) are supplied more gradually by organic fertilizers. This, because organic fertilizers only supply nutrients when bacteria break down the fertilizer pellets. A longer availability of the nutrients can be seen as result of this, which brings along a lower risk of leaching and burning of the roots (could happen with excessive amount of chemical fertilizers).

Fields of application

- Vegetable growth
- Fruit growth
- Viticulture
- Arboriculture

Difference between NPK and organic fertilizers


Most important conditions NPK fertilizers   Organic fertilizers  
NPK ++ +
Micro nutrients - +
Organic material - +
Humic, fulvic acids - +
Effective availability of nutrients + ++
The soil's optimal intake of water - +
Optimal aeration of the soil - +
Optimal composition of nutrients (analysis) -- +
Healthier plants, resistant against pets and diseases - +
Environmentally friendly - +
Durable product - +
Easy to use and easily storable + +
Improvement of crop quality + ++
Growth revenue + +
Total price per package (NPK, micro nutrients, OM, humic acid and durability)  ++ +++


Higher sodium input

The use of organic fertilizers has several advantages, but there is also an important point of attention that must be taken into account. Organic fertilizers contain a larger amount of sodium than chemical fertilizers.

Organic fertilizers

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