Nitrify/ˈnaɪtrɪfaɪ/ Definition 1 of 2Pro Tip 1/3Agriculture Context Used when discussing farming practices that improve plant growth. They decided to nitrify the soil for next season's crop yields. Pro Tip 2/3Enhancing Fertility Nitrify implies improving soil quality for better plant health. The farmers learned how to nitrify the fields effectively. Pro Tip 3/3Scientific Process Refers to a biological or chemical process, typically technical. The lecture explained how to nitrify soils using nitrogen-fixing bacteria.