The study looked at how using a specific type of fertilizer recommended by experts can help increase the yield and profit of super-high-yield summer maize. The expert-recommended fertilizer boosted grain yield by 5.28% and economic benefit by 6.71% compared to regular fertilizer. It also improved nutrient absorption and utilization in the maize plants, while keeping the soil's nutrient balance in check. The fertilizer used showed good efficiency in providing nutrients to the plants, with nitrogen, phosphorus, and potassium all being utilized effectively. Overall, using this expert-recommended fertilizer method could be beneficial for growing super-high-yield summer maize.