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通过田间试验、田间示范和室内分析，筛选出4号肥为向日葵专用肥的最佳配方。施用4号专用肥极显著地提高了向日葵产量，增加经济收入，并提高氮、磷化肥利用率15．0％和8．6％，还可提高子实的脂肪和蛋白质含量，使单位脂肪和蛋白质产量均有提高。
Through field experiments, field demonstration and indoor analysis, we found out that No.4 fertilizer is the best formula for sunflower special fertilizer. Application of special fertilizer 4 significantly increased the yield of sunflowers, increase economic income and improve nitrogen and phosphorus fertilizer utilization rate of 15.0% and 8.6%, but also increase the real fat and protein content, so that the unit fat and Protein production increased.