为响应国家号召,2011年海利尔药业集团成立统防统治专业防治队。今年计划投入500万元,专项用于组建无人直升机队伍,用于探索无人机飞防的这种新型模式。目前在河北、山东、天津、湖南、江西等全国种粮大省设立试验示范田近万亩,通过对比发现经济效益、社会效 In response to national call, in 2011 Heilier Pharmaceutical Group set up a unified anti-governance professional team. This year plans to invest 5 million yuan, specifically for the formation of unmanned helicopter team, used to explore this new model of UAV flight defense. At present, nearly 10,000 mu of experimental demonstration fields have been set up in the major grain-growing provinces in Hebei, Shandong, Tianjin, Hunan and Jiangxi provinces. By comparing the results of economic benefits, social benefits