Bioscience Methods 2025, Vol.16, No.3, 117-136 http://bioscipublisher.com/index.php/bm 121 geographical indication protection because it grows in the misty mountains and has a unique harvesting and processing process, and the tea quality is first-class. Through unified brand marketing, the price and sales volume of "Pan'an Yunfeng" tea have continued to rise, and tea has become the "golden leaf" for local farmers to increase their income. Another example is the specialty vegetable variety of high-altitude wild rice, which can be planted in the cold and cool environment of Pan'an at a higher altitude to avoid the high incidence of insect pests in low-altitude areas. It is crisp and refreshing, and has also obtained the national agricultural product geographical indication certification. The planting area of high-altitude wild rice in Pan'an currently reaches thousands of acres. Due to pollution-free ecological planting and staggered listing, the market is in short supply. Pan'an also vigorously develops local native chickens (native breeds of native chickens) and native bees and other specialty breeding. Pan'an native chickens are famous both inside and outside the province for their delicious meat and rich nutrition. Pan'an native eggs have passed the pollution-free livestock product certification and have won awards at the Agricultural Expo many times. They have become a well-known green agricultural product brand. The honey brewed by Pan'an native bees (Chinese bees) is pure and natural and also enjoys a high reputation. The local native honey was successfully registered as a geographical indication certification trademark in 2021, and the market price is more than 30% higher than ordinary honey. It can be seen that through measures such as variety selection, standard certification and brand building, Pan'an has successfully transformed many local species that were originally "raised in the mountains and unknown to people" into "gold and silver mountains" industries, realizing the effective transformation of ecological value into economic value. The development of these specialty species industries not only provides consumers with high-quality and safe specialty agricultural products, but also increases farmers' income and injects vitality into rural revitalization. 3 Agricultural Biological Model Innovation in the “Our Happiness Plan” 3.1 Eco-certification systems based on “natural farming” In order to achieve a win-win situation of ecological protection and farmers’ income increase, Pan’an launched the “My Happiness Plan” in Panfeng Township in 2012, and upgraded it to the “Our Happiness Plan” covering the whole county in 2021. Its core is to introduce the concept of “natural farming” into agricultural production and establish strict ecological breeding standards and certification systems. In practice, Pan’an has explored the order agriculture model of “company + cooperative + base + farmer”: leading enterprises provide high-quality seedlings and technical guidance, farmers produce according to the ecological planting standards formulated by the enterprises, and the enterprises repurchase the products at a protective price higher than the market (Liang et al., 2023). For example, the earliest farmers participating in the plan in Panfeng Township were required to apply organic fertilizers, control the amount of pesticides, interplant green manure crops to protect soil fertility when planting rice, and follow the ecological agricultural norms from sowing to harvesting. In return, the company purchased rice at a price of 2.8 yuan per kilogram, which is about twice the market price during the same period, greatly increasing farmers' income from growing grain. This model essentially builds a set of ecological certification system for agricultural products, in which enterprises and the government jointly supervise the production process of farmers to ensure that agricultural products meet pollution-free or organic standards, and then put on a unified brand label to enter the market for sale. Pan'an native eggs, Yunfeng tea, high-mountain vegetables, etc. have all achieved standardized production and branded marketing under this system. At the same time, the government has introduced support policies to reward owners who participate in the "Happiness Plan" and reach a certain scale of acquisition, such as a reward of 60,000 yuan for annual acquisitions of more than 5 million yuan, etc., to encourage enterprises to strictly implement ecological production standards. After years of practice, Pan'an has initially formed an ecological agricultural product certification system covering multiple fields such as grain, oil, vegetables, tea, livestock and poultry, and Chinese medicinal materials, and the quality and safety level of agricultural products ranks among the top in the province. The brand effect based on ecological certification has also gradually emerged - consumers recognize the quality of the "Pan'an Mountain Residence" series of green agricultural products and are willing to pay a premium. This certification system guided by natural farming not only protects the ecological environment of cultivated land and the quality and safety of agricultural products, but also allows farmers to share the added value of the industrial chain, realizing "producing green products and harvesting golden benefits" (Figure 2).
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