Muraoka, Takashi, and A. M. Louis Neptune. “ Efficiency of Phosphate Fertilizers: I. Imediate Effect ”. Anais da Escola Superior de Agricultura Luiz de Queiroz 34 (January 1, 1977): 585–594. Accessed July 17, 2024. https://revistas.usp.br/aesalq/article/view/39245.