This article throws light upon the four main types of nitrogenous fertilizers. The types are: 1. Nitrate Fertilizers 2. Ammonium Fertilizers 3. Nitrate and Ammonium Fertilizers 4. Amide Fertilizers. Nitrogenous Fertilizers: Type # 1. Nitrate Fertilizers: Of the nitrate fertilizers the most common in use is sodium nitrate or calcium nitrate. (a) Nitrate group of […]