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春繁方法在头一年土壤冻结前,将冷床做好,规格:南墙高60厘米,北墙高约80厘米,长10米(根据种薯量决定长度),宽1.5米,床土挖深33厘米耙细,拌腐熟的有机肥,上面加盖塑料布防冻。次年二月中旬至下旬将盖的塑料布揭开,把选好的种薯,小的重约15～20克整栽,大的切块栽,株距6.6厘米左右,行距30厘米摆平,覆土厚3厘米,然后盖上塑
Spring method In the first year before freezing the soil, the cooling bed to do, specifications: 60 cm high south wall, about 80 cm high north wall, length 10 meters (according to the amount of seed to decide the length), 1.5 meters wide, bed digging Deep 33 cm rake thin, mixed maturity of organic fertilizer, topped with plastic sheeting antifreeze. The following year from mid-February to cover the plastic sheeting opened to the selected seed, a small weight of about 15 to 20 grams of the whole plant, a large cut planted spacing of about 6.6 cm, spacing 30 cm set, covered soil Thickness of 3 cm, then covered with plastic