HARDEV RAM; J.P. SINGH; J.S. BOHRA; RAJIV K. SINGH; J.M. SUTALIYA. Effect of seedlings age and plant spacing on growth, yield, nutrient uptake and economics of rice (Oryza sativa) genotypes under system of rice intensification. Indian Journal of Agronomy, [S. l.], v. 59, n. 2, p. 256–260, 2001. DOI: 10.59797/ija.v59i2.4547. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/4547. Acesso em: 14 jul. 2026.