SINGH, Jasbir; THENUA, O.V.S. Growth and yield of soybean as influenced by maize + soybean intercropping systems and nitrogen levels. Annals of Agricultural Research, India, v. 35, n. 1, 2014. Disponível em: https://epubs.icar.org.in/index.php/AAR/article/view/39365. Acesso em: 23 oct. 2025.