GROWtect PflanzVital Retentis
GROWtect PflanzVital Retentis® - organic-mineral NPK fertilizer (4.5-6-3+2MgO) with Retentis® as a water reservoir in a 20 kg sack.
- Retentis® (natural water reservoir from wood)
- Biochar
- Bentonite
- Rock flour
- Perlite
- Mycorrhiza
GROWtect PflanzVital Retentis® is an organic-mineral NPK fertilizer (4.5-6-3+2MgO), specifically designed for planting trees, shrubs, perennials, ground covers, and for the renovation of old trees. Its balanced composition ensures both rapid nutrient supply and long-term soil improvement.
The combination of organic and mineral components, including Retentis® water reservoir (from wood), biochar, bentonite, rock flour, perlite, and mycorrhiza, optimizes soil structure and increases water retention capacity. This contributes to improved establishment of plants and higher drought stress tolerance. At the same time, the microbial decomposition of the organic material promotes soil biology.
Properties and Function
Nutrient release: A large portion of the nitrogen becomes plant-available within the first growing season. The remaining portion is gradually released through microbial processes over several years. Phosphorus and potassium are fully plant-available.
Soil structure and water balance
The included components promote the aggregate stability of the soil and increase its water-holding capacity. The use of Retentis® helps reduce evaporation losses and decreases irrigation requirements.
Humus formation
The gradual decomposition of organic components increases the humus content in the long term and sustainably supports soil life.
Improvement of root development
The biochar and mycorrhiza fungi act as root attractants, promoting the symbiosis between roots and microorganisms and improving nutrient uptake.
Composition (excerpt):
Total nitrogen (N): 4.5%
Total phosphate (P₂O₅): 6.0%
Neutral ammonium citrate soluble phosphate (P₂O₅): 4.0%
Total potassium oxide (K₂O): 3%
Other components:
Total magnesium oxide (MgO): 2.0%
Water-soluble sulfur (S): 1.5%
Sodium (Na): 0.8%
Basic active components
(assessed as CaO (neutralization value): 13%)
Organic matter
(assessed as loss on ignition): 50%
Chloride-free
Application amounts for GROWtect PflanzVital Retentis®
Evenly spread and work thoroughly into the root area.
Water intensively after planting. Do not leave residues on the surface.
Substrate mixtures: 3 kg/m³
Slope sowing: 200 g/m²
| Price | €49.95 |
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