J. SHEKHAR; B. S. MANKOTLA; S.P. DEV. Productivity and economics of rice (Oryza sativa) in system of rice intensification in North-Western Himalayas. Indian Journal of Agronomy, [S. l.], v. 54, n. 4, p. 423–427, 2001. DOI: 10.59797/ija.v54i4.4817. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/4817. Acesso em: 26 jun. 2026.