NATALE W, JUNIOR JM, BOARETIO AE, SIMOES FL. Mineralogy and forms of potassium in red yellow latosol of a guava (Psidium guajava) tree orchard. Indian J Agri Sci. 2014;71(3). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/39673