Nitrogen fertilization changes the productivity and chemical composition of Brown and Golden flax grains oleh Milene Puntel Osmari, João Pedro Velho, Marjana Chantal Waechter, Rodrigo Rutz, Francilaine Eloise de Marchi, Paulo Sérgio Gois Almeida, Ranulfo Combuca da Silva Júnior, Geraldo Tadeu dos Santos