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Agronomic feasibility of using basalt powder as soil nutrient remineralizer

Augusto Vaghetti Luchese, Laércio Augusto Pivetta, Marcelo Augusto Batista, Fábio Steiner, Ana Paula da Silva Giaretta and Janete Chaves Dellabeta Curtis Abstract Tropical agriculture is highly dependent of soluble fertilizers, what raises the cost of production. An alternative to reduce the costs inputs is the use of low-cost alternative nutrient sources, such as the basic rocks. The aim of the work was to evaluate the effect of basalt powder on the soil chemical properties and plant growth. The experiment was arranged in a 2×2×2×3+4 factorial scheme: two soils (clay soil and sandy clay loam soil); two crops (maize and soybean); two ...