冬春马铃薯大拱棚、小拱棚、地膜三膜覆盖栽培,一般于12月份催芽、播种,翌年3月底收获,1/15公顷产马铃薯3500-4000千克,比早春地膜覆盖的马铃薯提前1个月上市,经济效益十分显著。建造大拱棚大拱棚一般长60米、宽6米、高2～2.5米。在大棚内建2个高0.8～1.2米、宽2.4米的小拱棚,小拱棚与大拱棚相距35厘米,两个小 Winter and spring potato large arch shed, small shed, mulching film three cultivation, usually in December germination, planting, harvest the end of March next year, 1/15 hectares of potatoes produced 3500-4000 kg, 1 month earlier than the early spring mulching potato The economic benefits are very significant. Construction of large arch Shed large arch generally 60 meters long, 6 meters wide and 2 to 2.5 meters high. In the shed built 2 high 0.8 ~ 1.2 meters wide and 2.4 meters small Shed, small Shed and the big shed 35 cm apart, two small