Integration and demonstration of high yield and efficiency technology of corn and soybean composite planting in northern Huanghuai region (PRJCA036841)

By optimizing the combination of varieties and field allocation, optimizing the precise and efficient management technology of water, fertilizer and medicine, and studying the regional applicability of the whole mechanization, the project carried out comprehensive evaluation of the corn and soybean composite planting mode and technology in different regions in the north of the Huanghuai River, and integrated the comprehensive technical model of corn and soybean composite planting in different ecological zones in the north of the Yellow Sea.