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白菜为万菜之首,历来以夏种、秋收、冬储为传统的生产方式,春夏之交的应时大白菜尚为市场缺口,具有很好的市场竞争力。1 育苗技术 种植早生大白菜需预先进行室内育苗。全生育期需要90～100天,其中育苗期30天。育苗期所需温度在15℃～28℃之间,1月中下旬育苗正值一年中最寒冷的季节,育苗需备地热加温设施。育苗器具可用低筒塑料钵,也可划营养方。播种间距保持在8×8厘米以上。每钵或每穴
Cabbage is the first of thousands of dishes, has always been the summer species, autumn harvest, winter storage for the traditional mode of production, the spring and summer should be timely Chinese cabbage is still a market gap, with good market competitiveness. A nursery technology cultivation of early Chinese cabbage to be pre-indoor nursery. The whole growth period needs 90 ~ 100 days, of which 30 days seedling. Nursery temperature required between 15 ℃ ~ 28 ℃, nursery in mid-late January coincided with the coldest year of the year, nursery needs geothermal heating facilities. Nursery equipment available low plastic bowl, but also planning nutrition. Sowing spacing maintained at 8 × 8 cm above. Each bowl or hole