BIOSOL NPK 4-3-3 – Nutritional product – 10 kg
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BIOSOL NPK 4-3-3 – Nutritional product – 10 kg


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BIOSOL NPK 4-3-3 – Nutritional product – 10 kg

BIOSOL NPK 4-3-3 is a nutritional product, based on humified plant organic matter, suitable for the nutrition of all types of crops. Its special characteristics make it capable of repopulating depleted soil and restoring its natural microbiological balance.

BIOSOL NPK 4-3-3 fortifies plants by supporting root development and strengthening their resistance to biotic and abiotic stresses, and improves crop quality and quantity characteristics. BIOSOL NPK 4-3-3 is also characterised by its innovative MICRO BIO ACTIVE formulation which promotes the development of specific microbial communities on crops with bioprotection, biostimulation and nutrition actions.

Micro Bio Active technology

BIOSOL NPK 4-3-3 is formulated with the unique MICRO BIO ACTIVE technology: a combination of growth-promoting fungi and bacteria and a mix of natural organic matrices selected and dosed in the different formulations. The combination of specific microbial strains with synergistic properties amplifies the abilities of the individual strains to exert their individual actions on the crop.

MICRO BIO ACTIVE represents a complex (consortium) with a high concentration of Probiotic microorganisms: PGPR bacteria and fungi. They promote the release of phytohormones such as auxins in the rhizosphere and stimulate multiplication, cell relaxation and root development; they also increase the availability of nutrients in the soil, in particular Phosphorus and trace elements (Iron, Manganese, Zinc, etc.).

Micro-organisms act by producing a pool of enzymes useful to the plant, stimulating its endogenous defences. One of the most common ways that micro-organisms improve nutrient uptake is by altering plant hormone levels. This mechanism modifies the root architecture: the mass, branching and quantity of root hairs increase; there is also an increase in the volume of the root system and consequently the uptake of water and nutrients improves.

Micro-organisms stimulate plant development by creating in the rhizosphere (the part of the soil closest to the roots), optimal conditions (such as pH neutralisation) for the plant to assimilate the nutrients it needs more quickly. Some of them are capable of making insoluble phosphorus and unavailable iron available again (siderophores).

Also of fundamental importance are the inhibitory actions of development and competition for space and nutrients against many pathogenic fungal species.

In essence, micro-organisms have three very interesting properties and can be used as: bio-fertilisers, bio-stimulants, bio-protectors.


ORGANIC FERTILISER NP Organic fertiliser mix NP 4-3-3 COMPOSITION Nitrogen (N) total 4 % – Phosphoric anhydride (P 2 O 5 ) total 3 % – Potassium oxide (K 2 O) water-soluble 3 %.

Why choose BIOSOL NPK 4-3-3?

  • Organic and 100% natural product
  • Suitable for all crops, leaves no residue.
  • It does not require a licence to use it.
  • It is safe for pets.
  • It is manufactured in an environmentally friendly way.
  • It is a Bee Safe product, i.e. safe for beneficial and pollinating insects.
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