1991年始，我们进行了甘薯切块直播高产栽培技术的研究，取得了显著的效果，现已进入推广阶段。此项技术是根据甘薯芽眼多、排列紧密、萌芽性能好、适应性强的特点。集防腐技术、覆盖效应与“窝薯下蛋”技术于一体，省去传统火炕育苗的复杂工序，减少了栽培环节和经济投入，克 Since the beginning of 1991, we conducted a study on direct-seeded high-yielding cultivation techniques of sweet potato, and achieved remarkable results. Now we have entered into the promotion stage. This technology is based on the sweet potato bud eye, arranged closely, budding performance, adaptability and strong features. Set of anti-corrosion technology, covering effect and “nest egg laying” technology in one, eliminating the traditional nursery nursery kindergarten complex processes, reducing cultivation and economic investment, g