SINGH, Rachhapal; GAJRI, P R; GILI, K S; KHERA, R. Puddling intensity and nitrogen-use efficiency of rice (Oryza sativa) on a sandy-loam soil of Punjab. The Indian Journal of Agricultural Sciences, Delhi, India, v. 65, n. 10, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/19093. Acesso em: 4 jul. 2026.