Abstract
Kamafugite is a group of ultrapotassic igneous minerals, alkaline ultrabasic rocks, composed of leucitite, olivine, leucite, kalsilite, and melilite. In Brazil, Kamafugite can be found at Minas Gerais and Goiás state. Based on its composition and the lack of national fertilizer production, it would be an alternative source of potassium, phosphorus, and other important nutrients in agriculture. This research analyzed the morphology feature, the physical and chemistry properties of the material, and its potential as an alternative fertilizer. Samples of the Kamafugite in natura, supplied by Terra Brazil Minerals, were enriched by the addition of MAP, Elementary S, and Ulexite, being the resulting powder granulated. The materials were analyzed by SEM, EDS, TGA, XRD, Raman spectroscopy, and IPC-AES. The results showed that Kamafugite rock is a potential source of nutrients for plants, once it is composed of K, P, Ca, Mg, Fe, besides Ti. However, is extremely important to analyze the material solubility in water and perform agronomic tests to assure its efficiency.
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da Motta Junior, R.L. et al. (2021). Analysis of Potential Applications of Kamafugite Rocks in Fertilizer. In: Li, J., et al. Characterization of Minerals, Metals, and Materials 2021. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-65493-1_22
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DOI: https://doi.org/10.1007/978-3-030-65493-1_22
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