R. K. MATHUKIA; M. M. MODHWADIA. Response of castor (Ricinus communis) to nitrogen and phosphorus. Indian Journal of Agronomy, [S. l.], v. 38, n. 1, p. 38_1 , 2001. DOI: 10.59797/ija.v38i1.3899. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/3899. Acesso em: 25 jun. 2026.