- Basalt powder. Fertilizers based on silicon. Supply of microelements for all types of plants.
- Basalt powder is an igneous rock of volcanic origin rich in silica, calcium, magnesium and iron, for use in conventional and organic agriculture.
- Periodic applications of Rock Flour in poor soils improve cation exchange capacity and nutrient retention.
- Helps correct toxicities caused by excess aluminum, iron or manganese.
Composition: Silica (SiO2) 46.69%Iron (Fe) 12.76%
Calcium (CaO) 11.28%
Magnesium (MgO) 9.54%
Phosphorus (P2O5) 0.38%
Manganese (MnO) 0.22%
Copper (CuO) 0.02%
Zinc (ZnO) 0.01%
pH 7.34
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