请对论文《齐峰果业公司眉县猕猴桃产品营销策略优化研究》的小节内容121 国内农产品营销现状文献综述进行写作其写作格式如下： 郑端2016认为提升陕西地区特色农产品品牌竞争力的根本在于产品的质量以此为基础政府有效地控制和扶持地方特色农产品品牌进一步增强了本地区内特色农产品品牌的竞争力。

According to the literature review on the current situation of domestic agricultural product marketing in section 1.2.1, Zheng Duan (2016) believes that improving the competitiveness of Shaanxi's characteristic agricultural product brands fundamentally relies on the quality of the products. Based on this, the government effectively controls and supports local characteristic agricultural product brands, further enhancing the competitiveness of these brands in the region.