Qujiang District is the hometown of tangerines in China. The county currently has 26 towns and 509 administrative villages with a total population of 400,000, of which 120,000 farmers cultivate citrus, with an area of ??200,000 acres and an annual output of 300,000 tons of citrus. Both area and output rank first at the county level in the country. Citrus cultivation in Qujiang District has a history of more than 1,400 years, and it is especially famous for citrus. He Xiuyuan's "Book of Fujian" of the Ming Dynasty said: "In recent times, the most popular tangerines in the world are Quzhou in Zhejiang and Zhangzhou in Fujian." Since the Ming Dynasty, they have been a royal tribute. In modern times, it has been hailed as the "King of Asia's wide-skinned tangerines" by Japanese agronomy expert Tanaka Choichiro, and is known as the "poinsettia" at home and abroad - the tangerine is the best tangerine. In recent years, Qujiang District has accelerated the transformation of citrus growth methods and increased investment in science and technology. Through the efforts of the majority of scientific and technological personnel, it has summarized a set of high-quality citrus supporting cultivation technologies and formulated a "poinsettia" citrus with domestic advanced levels. series of standards and passed the review organized by the Provincial Technical Supervision Bureau. The production of "Poinsettia" and Mandarin oranges is organized according to the "Poinsettia" and Mandarin orange series standards. There are strict requirements for seedlings, garden construction, cultivation management, disease and insect pest control, and commercial fruits. "Poinsettia"_mandarin orange fruit has a mold diameter of more than 60mm, a regular fruit shape, orange, bright color, smooth fruit surface, rich flavor, moderate sweet and sour texture, crisp and tender meat, refreshing fragrance, good slag dissolving ability, high edible rate, and 16 kinds of amino acids and various trace elements required by the human body have the effects of regulating qi and strengthening the spleen, moistening the lungs and relieving coughs, digesting food and soothing the stomach. The storage-resistant "poinsettia" _ tangerine was registered as a trademark by the State Administration for Industry and Commerce in 1996. In order to comprehensively improve the quality of mandarin oranges, Qujiang District has organized a district-wide "Poinsettia" mandarin orange quality competition since 1996. Every year, after preliminary evaluation by townships and joint evaluation by counties, several first, second and third prizes are finally awarded. First, the district government will give you a generous prize of 10,000-1,000 yuan. At present, the number of participating farmers has grown from more than 1,000 households to more than 10,000 households, and the participating area has continued to expand, effectively promoting the application and popularization of the "Poinsettia" and Mandarin series standard technologies, especially the "three dredges and one modification" technology. The quality of "poinsettia" oranges has been raised to a higher level, and the orange farmers have generally established a sense of quality and quality. In 1997, at the Third National Agricultural Exposition, "Poinsettia" tangerine was rated as an agricultural brand-name product; it won the first prize in the province's high-quality citrus competition, and was recommended as the preferred brand for 97 shopping in Zhejiang Province. In 1998, at the Dongguan National Fruit Exhibition, "Poinsettia" Mandarin Orange was awarded the title of "Chinese Famous Fruit" by the China Fruit Circulation Association; it was rated as Zhejiang's Agricultural Famous Brand in the province's agricultural product evaluation. The "Poinsettia" Mandarin Production Base has also been recommended by the Chinese Agricultural Society as a national high-yield, high-quality and efficient agricultural product production base. At present, Qujiang District has established a "Poinsettia" Mandarin base of 100,000 acres, and the "Poinsettia" Mandarin series standards are fully implemented in the base. With advanced technology, the base's yield per mu can reach 2,500 kilograms, and the rate of first-grade and above fruits reaches more than 65%. "Poinsettia" mandarin oranges are distributed by Qujiang District Poinsettia Company. The District Poinsettia and Orange Production and Marketing Management Committee specifically coordinates and manages the "Poinsettia" trademark, and supervises the quality of oranges using the "Poinsettia" trademark. At present, "Poinsettia" tangerine has been exported to major and medium-sized cities across the country and has begun to go abroad. "Poinsettia" tangerine is entering a broader market space with a high-quality attitude (Quzhou)