UAN-32 is a liquid nitrogen fertilizer and contains 32% total nitrogen (N). It is the dissolved form of urea fertilizer and AN-33 fertilizer in water. Half of the nitrogen (16%) is urea nitrogen in storage form, which cannot be taken up immediately by plants, while the other half is ammonium and nitrate nitrogen, which can be taken up immediately. In the period from the beginning to the middle of the development period, all plants are given to the soil at doses of 5-40 L/da with drip, sprinkler, underground leakage or center pivot irrigation, and to the leaves at doses of 250-500 mL/da or 0.5-2 L/100 L of water with a sprayer. can be sprayed.