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Substrat minéral
Pouzzolane
It is a 100% natural inert volcanic rock very light and porous
substrate for soilless crops: tomato, lettuce, strawberry
- Porosity: 30 to 60%
- Water absorption: 20 to 30%
- Caliber 2 to 3cm
- water retention: 8 to 17%
- high content of silica, phosphorus, calcium and trace elements
- Lighten the floor.
- Reduce the appearance of weeds.
- Good substrate for cuttings.
- Promotes the passage of water.
