Valderrama, Márcio, Salatiér Buzetti, Cleiton Gredson Sabin Benett, Marcelo Andreotti, and Marcelo Carvalho Minhoto Teixeira Filho. 2011. “NPK SOURCES AND DOSES ON IRRIGATED CORN UNDER NO-TILL SYSTEM”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics] 41 (2): 254-63. https://doi.org/10.5216/pat.v41i2.8390.