Gonçalves, Gustavo Kruger, Leandro Bortolon, Egon José Meurer, Daiana Ribeiro Nunes Gonçalves, Rogério Oliveira de Sousa, and Saul Mandrácio Fagundes. 2012. “Phosphorus Extractors for Irrigated Rice on Soils under Reactive Phosphate Fertilization”. Revista De Ciências Agroveterinárias 11 (3). Lages:196-204. https://revistas.udesc.br/index.php/agroveterinaria/article/view/5254.