This article throws light upon the five pathways through which the changes of soil as well as fertilizer nitrogen takes place. The pathways are: 1. Mineralisation 2. Immobilization 3. Fixation of Nitrogen in Soils 4. Losses of Nitrogen from Soils 5. De-Nitrification. Pathway # 1. Mineralisation: Mineralisation of nitrogen is defined as the process by […]