RAJENDRA PRASAD; GURBACHAN SINGH; YASHBIR SINGH SHIVAY; HIMANSHU PATHAK. Need for determining ecofriendly optimum fertilizer nitrogen level for better environment and for alleviating hunger and malnutrition. Indian Journal of Agronomy, [S. l.], v. 61, n. 1, p. 45139 , 2001. DOI: 10.59797/ija.v61i1.4322. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/4322. Acesso em: 24 jun. 2026.