我国人多地少,耕地资源有限,确保粮食生产安全是一个不容忽视的问题。农业生产中的病虫草害,严重地影响农业丰收。植物保护在确保我国农业生产以及粮食供应等方面发挥了重要作用。近年来,我国城镇化建设步伐加快,农村劳动力大量转移,植保推广体系面临着新的挑战。研究植保 There are few people in our country and limited arable land resources so ensuring the safety of food production is a problem that can not be ignored. Diseases, pests and weeds in agricultural production have a serious impact on agricultural harvest. Plant protection has played an important role in ensuring our country’s agricultural production and food supply. In recent years, the pace of urbanization in our country has accelerated and a large number of rural labors have been transferred. The system of plant protection promotion is facing new challenges. Research plant protection