The main technical content of full mechanized corn production in Daiyue District is explained,and the problems of disease and insect pest control in the middle and late growth stage of corn in full mechanized production are analyzed."One prevention double reduction"of corn performed by unmanned aerial vehicle(UAV)and self-propelled sprayer is compared and analyzed,and some suggestions are put forward for further popularization and application of full mechanized corn production.
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机译:Do Regional Integration Plans Promote Joint Prevention and Control of Air Pollution? - Lessons from China’s Major City Clusters =区域一体化进程带给大气污染联防联控的契机和挑战 - 基于中国国家级城市群发展的研究