承德区域种植的早熟甘蓝、以结球紧实、净菜率高、优质无污染深受广大消费者青睐,每亩产量4000—4500千克,经济效益在2000元以上。现就其栽培技术介绍如下:1、播种育苗(1)育苗时间。为了提早收获,一般在12月下旬至来年元月上旬(冬末—春初)选择日光温室培育壮苗。(2)品种选择。选用抗逆性强、商品性好、冬性较强的中甘11号,中甘15号、中甘16号、庆 Chengde breed precocious cabbage, tight knot, clean-up rate, quality pollution-free favored by the vast number of consumers, the output per acre 4000-4500 kg, the economic benefits of more than 2,000 yuan. Now on its cultivation techniques are described below: 1, sow seedlings (1) nursery time. In order to early harvest, usually in late December arrival early January (late winter - early spring) choose greenhouse cultivation strong seedlings. (2) variety selection. Use strong resistance, good merchandising, strong winter in the Gan 11, Gan 15, Gan 16, Qing