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马铃薯是喜冷凉的作物，比较耐寒。早春双膜覆盖，就可使播种期提早近一个月，成熟期提早 20多天，一般在 5月上、中旬上市，经济效益在 1500～ 3000元。 一、品种选择 一般选用脱毒早熟高产的费乌瑞它 (荷兰 7号 )、鲁引 1号、中薯 3号和极早熟抗病的早大白等经过脱毒的种薯
Potato is a chilling crop, more resistant to cold. Early spring double-film coverage, can make the sowing date nearly a month earlier maturity more than 20 days, usually in May, mid-market, economic benefits in 1500 ~ 3000 yuan. First, the choice of species Generally used detoxification precocious high-yield Fei Wurui it (Netherlands 7), Lu cited No. 1, in the potato 3 and very early disease resistant Daoba soon after detoxification of seed