Siro Universal is a universal substrate for planting and transplanting a wide range of outdoor plants, with the exception of plants that require an acidic pH. It has a physical and chemical composition suitable for healthy plant growth and development. Enriched with slow-release, controlled-release fertilizer for up to 3 months (encapsulated nitrogen) and other immediate-release nutrients.
FertilizationNPK 20-5-11 (Longevity 3 months): 0.8 kg/m3
Additional information
Composition:
Forest humus, Sphagnum blond peat, Siro Agro 1 (Pine bark humus - RAL certified), Siro Agro 2 (matured horse manure) and Mineral fertilizer up to 3 months (encapsulated nitrogen).
Physicochemical characteristics:
pH in CaCl2: 5.5-6.5
Conductivity: 150-250 µs/cm
Granulometry 0-15 mm
Organic matter > 60%
