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Rock flour. Basalt Dust

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Price range: 12.90€ through 31.99€
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  • 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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