“Interference from the vertical variation of soil phosphorus and from water stress on growth in maize, the soybean and sunflower”, Rev. Ciênc. Agron., vol. 48, nº 3, p. 419–427, abr. 2017, Acesso em: 3º de março de 2026. [Online]. Disponível em: https://periodicos.ufc.br/revistacienciaagronomica/article/view/88681