Schoninger, E.L. et al. 2013. Fertilization with rock phosphate and kinetics of phosphorus uptake by soybean and cover crops of Brazilian cerrado soils. Semina: Ciências Agrárias. 34, 1 (Mar. 2013), 95–106. DOI:https://doi.org/10.5433/1679-0359.2013v34n1p95.