Mantovani, José Ricardo, Igor Arthur da Costa Oliveira, Douglas José Marques, Adriano Bortolotti da Silva, and Paulo Roberto Corrêa Landgraf. 2014. “Phosphorus Levels in Soil and Lettuce Production Due to Phosphorus Fertilization”. Semina: Ciências Agrárias 35 (4Supl):2369-80. https://doi.org/10.5433/1679-0359.2014v35n4Suplp2369.