
Organomineral top dressing
Fergo 20 Nitrogen + (30SO3) (Top Dressing)
An organomineral top dressing combining 20% nitrogen and 30% sulfur with 20% organic matter.

ABOUT THIS PRODUCT
With 14% humic-fulvic acid, this top dressing uses sulfur to balance pH around the roots so nitrogen is used more efficiently on calcareous land.
Guaranteed analysis
| Organic matter | 20% |
|---|---|
| Total nitrogen (N) | 20% |
| Ammonium nitrogen (N) | 2.5% |
| Urea nitrogen (N) | 17.5% |
| Total sulfur trioxide (SO3) | 30% |
| Water-soluble sulfur trioxide (SO3) | 5% |
| Total humic + fulvic acid | 14% |
| Chlorine (Cl), max. | 0.5% |
| Moisture, max. | 20% |
| pH | 6–8 |
Application guide
- Suggested crops
- Cereals, maize, cotton, sugar beet, potato, forage crops, vegetables and orchards.
- When?
- During active spring growth.
- How?
- Spread on the surface with a spinner spreader or placed between rows with a hoeing machine.
- Best conditions
- Early spring at tillering, stem elongation and hoeing.
Suggested rate per decare
- Wheat and barley
- 25–35 kg/da
- Maize, beet and vegetables
- 50–60 kg/da
- Potato
- 90–100 kg/da
- Trees
- 100 g × tree age


