The study looked at different types of slow-release urea fertilizers and how they affect sugarcane growth. They found that resin-coated urea releases more nitrogen early on, while sulfur-coated urea releases it steadily. Mixing different coated urea types can improve sugarcane yield and nitrogen use efficiency. Overall, using controlled-release urea can increase sugarcane yield by 5-11% and nitrogen use efficiency by 7.5-8.2%. Mixing different types of coated urea in the right proportions can help balance nutrient supply and demand for better fertilizer use.