But when soil-moisture content is high, fall applications of urea haven't performed as well as AA. Applying urea-ammonium nitrate (UAN) in the fall isn’t recommended due to rapid nitrification and a ...

Urea ammonium nitrate (UAN) is a liquid fertiliser solution consisting of urea, ammonium nitrate, and water. It is a versatile commodity widely used in agriculture for its balanced nitrogen ...

They are satisfactory as sidedress fertilizers for corn, except on extremely sandy soils. 28-32% N Materials (Non-Pressure). Various urea-ammonium nitrate-water (or UAN) mixtures are classified as ...