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一、栽培时期 冬暖大棚早春茬栽培黄河流域2月上旬至3月上旬均可播种育苗,3月下旬定植,4月下旬至6月上旬收获。京、津以北地区栽培时间一般陆续向后推迟。 二、苗期管理 采用塑料营养钵护根育苗。播种后,苗床上盖薄膜。温度控制在白天25℃～28℃,夜间15℃～18℃。出苗前一般不
First, the cultivation period Winter greenhouse planting early spring crop cultivation in the Yellow River in early February to early March can be sowing seedlings planted in late March, early April to early June harvest. The cultivation time in the north of Beijing and Tianjin generally postponed gradually. Second, the seedling management Plastic nutrition Bowl nursery root nursery. After sowing, seedbed cover film. Temperature control during the day 25 ℃ ~ 28 ℃, night 15 ℃ ~ 18 ℃. Generally not before emergence