1.种薯处理生产上多采用切块下种,每次用消毒切刀切块,每块重量不少于20克,三角形,芽眼靠近切口,每块上有1~2个芽眼,放入清水中洗去表面淀粉后沥干,待伤口愈合,每667平方米用种量100~125千克。2.播种育苗(1)播期。春薯的播种期在终霜前一个月,在终霜后出土,播种太晚会减产,一般为2月上中旬,地膜覆盖可提早。秋薯适播期为9月上中旬。(2)育苗。催芽前,将种薯选晴暖的中午晾晒1~2天,剔除病薯、烂薯 1 kind of seed production and processing of the use of more cut under the species, each with a cutting knife disinfection, each weighing not less than 20 grams, triangular, bud near the incision, each block has 1-2 buds into Wash the surface water after washing the drain, to be wound healing, with a per 667 square meters of the amount of 100 to 125 kg. 2. Sowing seedlings (1) sowing date. Spring potato sowing period one month before the final frost, unearthed after the final frost, sowing too late will reduce production, usually in mid-February, mulching earlier. Autumn sweet sowing period of September on the middle. (2) nursery. Before germination, the seed selection of sunny noon drying 1 to 2 days, remove the disease, rotten potato