@article{article70446631, title = {Potassium reserves in the clay fraction of a tropical soil fertilized for three decades}, author = {Firmano, Ruan Francisco and Melo, V. F and Montes, Celia Regina and Oliveira Junior, A. de and Castro, C. de and Alleoni, Luis Reynaldo Ferracciú}, year = {2020}, doi = {10.1007/s42860-020-00078-6}, journal = {Clays and Clay Minerals} }