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Can Basalt Rock Powder be Used as an Alternative Nutrient Source for Soybeans and Corn?

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Abstract

In Brazil, mining companies produce many products from rocks, resulting in large amounts of residue. Among them, basalt rock powder (BRP) can be used as an alternative fertilizer source and has considerable environmental and economic importance. In this study, we evaluated the effects of BRP and limestone on soil fertility and soybean and corn plants. The study included four experiments in a 2 × 4 factorial arrangement: two soils (clay and sandy clay loam) and four doses (BRP: 0, 33, 66, and 99 Mg ha−1; limestone: 0, 1, 2, and 4 Mg ha−1), evaluated in soybean and corn, with four replicates. To evaluate the effects of P and K on the soil and plants, additional pots of each soil were filled with single superphosphate and potassium chloride. The application of BRP and limestone significantly increased the shoot dry matter (DM), Ca, Mg, P, and pH levels in the soil. The foliar P levels were slightly affected by limestone or BRP application. K levels in the soil decreased because of its uptake by plants, especially in clayey soil. This reduction was less significant in the BRP treatments than in limestone treatments, despite its greater extraction. BRP significantly increased the soybean and corn DM. Ca, Mg, P, and pH levels of the soil were increased with BRP use.

Highlights

• The alkalizing effect of basalt rock powder can reduce limestone use in agriculture.

• Basalt rock powder is a sustainable and low-cost alternative for fertilization.

• Basalt rock powder promoted significant increases in the dry matter of soybean and corn.

• Basalt rock powder application provides significant benefits for the plant and the soil.

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Acknowledgements

The authors thank the Academic Publishing Advisory Center (Centro de Assessoria de Publicação Acadêmica, CAPA – www.capa.ufpr.br) of the Federal University of Paraná (UFPR) for their assistance with English language translation and developmental editing.

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Correspondence to Robson Fernando Missio.

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Luchese, A.V., de Castro Leite, I.J.G., Alves, M.L. et al. Can Basalt Rock Powder be Used as an Alternative Nutrient Source for Soybeans and Corn?. J Soil Sci Plant Nutr 23, 4044–4054 (2023). https://doi.org/10.1007/s42729-023-01322-3

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  • DOI: https://doi.org/10.1007/s42729-023-01322-3

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