The volcanic basalt by Terralba is a potent powder fertilizer extracted from volcanic rocks with a huge regenerative potential due to its high mineral content (magnesium and silicium, for example). The microbial life of the substrate is stimulated and plants consequently grow strong and healthy.
- It comes in 2 Kg bags.
- How to use:
- 40 g per kg of soil mix
- 600 g/m2 (only application per season)