DAS, ANUP; GAUTAM, M; GAUTAM, R C; SHIVAY, Y S. Productivy of cotton (Gossypium hirsutum) as influenced by organic and inorganic sources of nitrogen. The Indian Journal of Agricultural Sciences, Delhi, India, v. 76, n. 6, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/2959. Acesso em: 27 oct. 2025.