Lupatini, Gelci Carlos, João Restle, Marcelo Ceretta, Eduardo Londero Moojen, and Hardi Rene Bartz. 1998. “Evaluation of Black Oats and Italian Ryegrass Mixture under Grazing With Nitrogen Levels”. Pesquisa Agropecuaria Brasileira 33 (11):1939-44. https://doi.org/10.1590/S1678-3921.pab1998.v33.5009.