Dias, K. G. de L., Guimarães, P. T. G., Carmo, D. L. do, Reis, T. H. P., & Lacerda, J. J. de J. (2018). Alternative sources of potassium in coffee plants for better soil fertility, productivity, and beverage quality. Pesquisa Agropecuaria Brasileira, 53(12), 1355–1362. https://doi.org/10.1590/S1678-3921.pab2018.v53.25965