GOMEZ, Manuel Iván; MAGNITSKIY, Stanislav; RODRIGUEZ, Luis Ernesto  e  DARGHAN, Aquiles E.. Accumulation of N, P, and K in the tubers of potato (Solanum tuberosum L. ssp. andigena) under contrasting soils of the Andean region of Colombia. Agron. colomb. [online]. 2017, vol.35, n.1, pp.59-67. ISSN 0120-9965.