Rock Flour for Plants and Crops: Long Lasting Mineral Nutrition
Rock flour, especially basalt, is a natural resource of volcanic origin highly valued in conventional and organic agriculture for its richness in essential minerals such as silica, calcium, magnesium and iron. Its periodic application in poor soils significantly increases the cation exchange capacity, which optimizes the retention and availability of nutrients for plants.
Under conditions of heavy rainfall and leaching, the minerals in the rock flour are gradually released, allowing them to remain in the soil longer and to be absorbed by the plants when they are most needed. This mineral fertilizer promotes a more balanced and fertile soil, helping to strengthen plants against adverse weather conditions and improving crop quality and productivity.
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