Sfredo, Gedi Jorge, Estefano Paludzyszyn Filho, and Edilson Ribeiro Gomes. “Soybean Response to Potassium and Phosphorus in a Paleudult Soil at Balsas, MA”. Pesquisa Agropecuaria Brasileira 29, no. 9 (September 1, 1994): 1359–1364. Accessed July 6, 2026. https://apct.sede.embrapa.br/pab/article/view/4185.