Residual effect and biological nitrogen fixed by forage legumes and grass crops on the yield of sorghum (Sorghum vugare, Pers.) cu!tivated in rotation. I. Colina, State of São Paulo, Brazil. Bol. Ind. Anim. [Internet]. 2014 Jan. 29 [cited 2024 Jul. 2];43(2):295-306. Available from: http://bia.iz.sp.gov.br/index.php/bia/article/view/580