Group 1 - The core idea is that Chidao River Township in Zhangjiakou City, Hebei Province, is leveraging its ecological advantages to develop the industry of Matsutake mushrooms, promoting both ecological protection and rural revitalization [1][2] - The township has implemented a "Matsutake + Organic Larch Black Fungus" intercropping model, supported by experts from Hebei University, achieving significant progress with 300 acres of Matsutake and 3,000 Larch Black Fungus planted [1] - The local government has established a buy-back agreement with mushroom seed companies, ensuring a minimum price of 4 to 4.5 yuan per pound for Matsutake, with an average yield of about 10,000 yuan per acre [1] Group 2 - Since being designated a "National Demonstration Base for Under-forest Economy and Green Industry" in 2016, Chidao River Township has encouraged farmers to start their own businesses and develop specialty brands like Chishao [2] - In the previous year, the under-forest economy in the county generated a total output value of 47.93 million yuan, employing approximately 33,000 people [2] - The county plans to add 2,000 acres of under-forest economic bases this year, further expanding the utilization of forest resources and enhancing ecological benefits [2]