Group 1: Agricultural Development in Gansu - The modern agricultural industry park in Minqin, Gansu, is successfully growing vegetables that can be directly sold to the Guangdong-Hong Kong-Macao Greater Bay Area [1][3] - The park cultivates over 10 vegetable varieties with an average yield of 2,000 pounds per acre, and the expected annual output value is around 20 million yuan [5][9] - The ecological improvements from the "Three North" project have enhanced local conditions, making the vegetables appealing to the Greater Bay Area market [7][10] Group 2: Technological Innovations in Desert Agriculture - New technologies, such as a plant adhesive, are being utilized in Xinjiang to improve water retention and soil quality for growing alfalfa in desert areas [11][15] - The "sand membrane" technology allows for deeper root systems in sandy soils, achieving an average yield of 600 kilograms per acre, with multiple harvests per year [16][22] - Significant investments have been made to validate the feasibility of large-scale application of the "sand membrane" technology in desert regions [22] Group 3: Desertification Control in Liaoning - Changtu County in Liaoning has transformed its agricultural landscape through desertification control, stabilizing grain production at over 5 billion pounds annually [23][32] - The establishment of a protective forest network covering 210,000 acres has significantly improved the ecological conditions and agricultural productivity [27][29] - The green barriers created by tree plantations have effectively blocked wind erosion and stabilized sandy areas, contributing to sustainable agricultural practices [32]