肯塔基大学长期以来一直在研究并推动中耕作物生产的保护耕作法。肯塔基的农民是世界上接受保护耕作大规模种植玉米和大豆的首批农户之一。保护耕作用于白肋烟生产的研究始于二十世纪七十年代早期,但此前烟农的兴趣始终不高。烟农不愿放弃传统的耕作方式,缺乏合适的移植机技术, The University of Kentucky has long been studying and promoting conservation tillage practices for cultivating middle-cropping crops. Kentucky farmers are among the first farmers in the world to accept large-scale conservation tillage of corn and soybeans. Conservation tillage Research on burley production dates back to the early 1970s, but tobacco farmers were not always interested in it. Tobacco farmers do not want to give up the traditional farming methods, the lack of appropriate transplant machine technology,