Silva, Edson Cabral da, Takashi Muraoka, Salatiér Buzetti, and Paulo César Ocheuze Trivelin. 2006. “Nitrogen Management in Corn under No-Tillage With Different Cover Crops in a Rhodic Hapludox Soil”. Pesquisa Agropecuaria Brasileira 41 (3):477-86. https://doi.org/10.1590/S1678-3921.pab2006.v41.7162.