Staut, Luiz Alberto, and Manoel Luiz Ferreira Athayde. “Effect of Phosphorus and Potassium on Yield and on Agronomical Characteristics of Cotton”. Pesquisa Agropecuaria Brasileira 34, no. 10 (October 1, 1999): 1839–1843. Accessed July 6, 2026. https://apct.sede.embrapa.br/pab/article/view/5512.