Rosolem, Ciro A., João Nakagawa, and José R. Machado. “Soybean Potassic Fertilization in a Dark-Red Latosol Sandy Loam”. Pesquisa Agropecuaria Brasileira 19, no. 11 (April 16, 2014): l319–1326. Accessed March 25, 2026. https://apct.sede.embrapa.br/pab/article/view/16149.