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. IJA 2001, 61 (1), 45139 . https://doi.org/10.59797/ija.v61i1.4322.