In 2022, the Ministry of Agriculture and Rural Affairs will deploy and promote corn soybean Zonal composite planting technology nationwide, and assign the task of 800000 mu of corn soybean composite planting to our region. In order to overcome the technical bottleneck that needs to be solved urgently in order to complete the planting task in our region, on May 27, the major project of the key R&D plan of the autonomous region "research, demonstration and promotion of key technologies for Zonal composite and efficient planting of corn and soybean in Ningxia", which was initiated by the science and Technology Department of the autonomous region and jointly organized and implemented by the agricultural and rural Department of the autonomous region and Ningxia Academy of Agricultural Sciences, was officially launched and implemented.