Group 1: Agricultural Production and Innovations - The agricultural production model in Yicheng, Shanxi, utilizes "whole village management" to integrate scattered land resources and connect with professional service organizations, aiding in summer grain harvests [5][7] - In Yicheng's Yun Tang village, a demonstration project shows a vibrant harvest scene with large machinery and full grain transport, indicating successful implementation of modern agricultural practices [3][9] - The introduction of the new purple wheat variety, "Ji Zi Mai 19," in Shijiazhuang, Hebei, showcases advancements in crop breeding, emphasizing its high yield and cold resistance [12][14] Group 2: Crop Management Techniques - The promotion of soybean and corn intercropping in Lingqing City aims to achieve dual harvests on the same land, enhancing overall grain production [17][19] - The intercropping method allows for increased planting density of corn while simultaneously harvesting a season of soybeans, optimizing land use [19][20] - Local agricultural authorities are actively providing technical guidance to farmers, ensuring effective implementation of intercropping techniques and improving crop yields [26]