O. IJOYAH, M.; O. OGAR, A.; S. OJO, G. Soybean-maize intercropping on yield and system productivity in Makurdi, Central Nigeria. Scientific Journal of Crop Science, [S. l.], v. 2, n. 4, p. 49-55, 2013. Disponível em: http://sjournals.com/index.php/sjcs/article/view/1224. Acesso em: 23 jul. 2024.