RAJENDRA PRASAD, GURBACHAN SINGH, YASHBIR SINGH SHIVAY, & HIMANSHU PATHAK. (2001). Need for determining ecofriendly optimum fertilizer nitrogen level for better environment and for alleviating hunger and malnutrition. Indian Journal of Agronomy, 61(1), 45139 . https://doi.org/10.59797/ija.v61i1.4322