BHARGAVA, B S; RAGHUPATHI, H B. Current status and new norms of nitrogen nutrition for grapevine (Vitis vinifera). The Indian Journal of Agricultural Sciences, Delhi, India, v. 65, n. 3, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/18201. Acesso em: 29 oct. 2025.