SINGH, M M; SRIVASTAVA, S K; SINGH, A K. Effect of nitrogen and sulphur on forage yield and protein content of oat (Avena sativa). The Indian Journal of Agricultural Sciences, Delhi, India, v. 69, n. 10, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/27032. Acesso em: 28 oct. 2025.