[1]
Pottker, D. and Roman, E.S. 1994. Effects of crop residues and winter fallow on the response of corn to nitrogen. Pesquisa Agropecuaria Brasileira. 29, 5 (May 1994), 763–770. DOI:https://doi.org/10.1590/S1678-3921.pab1994.v29.4113.