de CARVALHO, Denise Bruginski, and Amir PISSAIA. “BROADCASTING NITROGEN IN NO-TILLAGE OF SUNFLOWER: I - GRAIN YIELD AND ITS COMPONENTS, HARVEST INDEX AND OIL CONTENT”. Scientia Agraria, vol. 3, no. 1, Dec. 2002, pp. 41-45, doi:10.5380/rsa.v3i1.1029.