MAHAJAN, G; SEKHON, N K. Yield and nitrogen-use efficiency of indica rice varieties as influenced by timing of nitrogen fertilization*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 80, n. 4, 2010. DOI: 10.56093/ijas.v80i4.230. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/230. Acesso em: 27 jun. 2026.