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一、第一茬甘蓝1.育苗采用抗病、早熟,高产的优良品种8398、中甘11号、报春于11月中旬至12月上旬采用阳畦育苗。按10平方米苗床施入腐熟圈肥20千克,鸡粪5千克,磷酸钙3千克配制苗床土。播后保持白天温度20～25℃,夜间温度5～10℃,苗出齐后及时放风降温,掌握白天温度10～15℃,夜间温度2～7℃。不旱不浇水,避免徒长和大苗越冬。12月中上旬
First, the first stubble cabbage 1. Seedling with disease-resistant, precocious, high-yielding varieties 8398, Gan Gan 11, Primula from mid-November to early December Yangba nursery. Press 10 square meters of seedbed into the rotten circle fertilizer 20 kg, chicken manure 5 kg, 3 kg of calcium phosphate preparation seedbed soil. Maintain the daytime temperature of 20 ~ 25 ℃, night temperature of 5 ~ 10 ℃, after the vaccine out of the wind in time to cool, grasp the daytime temperature 10 ~ 15 ℃, night temperature 2 ~ 7 ℃. Do not be dry and not watering, to avoid leggy and seedling wintering. Early December