Vidi Fol

Vidi Fol Water-soluble bio stimulant of humic and fulvic acids

Use Vidi Fol for:

Stimulating and strengthening the crop in an entirely natural way


Vidi Fol is sold in 1 litre and 5 litre bottles and available in drench and spray formulation

General information

When to use Vidi Fol?

Use Vidi Fol during the early stages of plant growth and before/during situations of abiotic stress.

How does Vidi Fol work?

The fulvic acids in Vidi Fol increase the permeability of the cell membranes. This results in a better transportation of nutrients to the parts of the plant where they are needed. The plant also absorbs nutrients better and uses the available nutrients more efficiently. This brings the photosynthetic cycle to a higher level and results in better growth.

How to use Vidi Fol

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Application Vidi Fol

Preparation of the spray solution:

  • Shake bottle or container well before use.
  • Add the correct amount of Vidi Fol to the spray solution.
  • Mix thoroughly.
  • Spray immediately.

Important user instructions with regards to the application of Vidi Fol Drench via irrigation systems:

  • Make sure Vidi Fol Drench does not remain in the irrigation system during the night but in the substrate instead.
  • Use disinfectant regularly to keep the irrigation system clean, but do not use Vidi Fol Drench at the same time as the disinfectant.


The information given below is merely indicative. Tailored advice requires detailed information on local factors, such as the crop itself, climate conditions and the level of infestation. To ensure a correct approach, please consult a Koppert specialist or a recognized distributor of Koppert products.

Dosage Vidi Fol Drench:

Inorganic (inert) substrates (rockwool/perlite): young plants: 0.5-1 litre/ha; growing crop: 1-2 litre/ha
Organic substrates: young plants: 0.5-1 l/ha; growing crop: 1-3 litre/ha
Repeat treatment after 7-14 days.

Dosage Vidi Fol Spray:
0.1% (100 ml per 100 litres of water)

Best working conditions Vidi Fol

  • The pH of the solution should be between pH 5-7.
  • Young plants can be sensitive. Test the sensitivity of the plants on a small scale, prior to full treatment.
  • Do not mix Vidi Fol with products containing calcium and avoid mixing the product with pesticides. An increased uptake of these compounds can cause damage to plants.


Koppert B.V. is not liable for any loss of quality if the product is stored for longer than recommended and/or under incorrect conditions.

Storage instructions:
Unopened product can be stored in a cool, dark place (5-20 ºC).

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