This article throws light upon the top three nitrogenous fertilizers applied to soil. The nitrogenous fertilizers are: 1. Urea 2. Ammonium Sulphate 3. Calcium Ammonium Nitrate. Nitrogenous Fertilizer # 1. Urea: Manufacture: Ammonia reacts with carbon dioxide under a pressure of about 400 atmospheres, at a temperature of about 160 to 200°C to form urea. […]