[1]
M. W. de Oliveira, P. C. O. Trivelin, A. E. Boaretto, T. Muraoka, and J. Mortatti, “Leaching of nitrogen, potassium, calcium and magnesium in a sandy soil cultivated with sugarcane”, PAB, vol. 37, no. 6, pp. 861–868, Jun. 2002.