R.K. BAJPAI; S.K. UPAPHYAY; B.S. JOSH; R.S. TRIPATHI. Productivity and economics of rice (Oryza sativa L.) wheat (Triticum aestivum) cropping system under integrated nutrient supply systems. Indian Journal of Agronomy, [S. l.], v. 47, n. 1, p. 47_1 , 2001. DOI: 10.59797/ija.v47i1.3110. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/3110. Acesso em: 26 jun. 2026.