THENUA, O.V.S.; SINGH, Jasbir. Influence of inter-cropping systems and nitrogen levels on the growth and yield of maize. Annals of Agricultural Research, India, v. 35, n. 3, 2016. Disponível em: https://epubs.icar.org.in/index.php/AAR/article/view/44074. Acesso em: 7 jun. 2026.