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春抗50结球大白菜是安徽砀山经济作物研究所和山东济南惠农种业有限公司联合于1995年选育出的春结球大白菜保护地专用品种。该品种全生育期50天,叶球扣抱,结球紧实美观,净菜率高,品质极佳。冬性强,耐弱光,耐低温,抗抽苔能力强。一般单球重3公斤左右,公顷产75000公斤以上。经连续数年在苏、鲁、豫、皖等地大面积推广表明,其综合性状明显优于其他品种,并深受种植者的欢迎。现将其保护栽培技术措施总结如下:1、育苗棚室的建造春结球大白菜的育苗,应采用保护地育苗方法。育苗棚应东西走向,选择地势平坦、背风向阳的地块建造。棚体宽6米,长10～30米不等,中央设立柱,棚北面架设1.5～2米高的风障。
Spring anti-50 ball Chinese cabbage is Dangshan Institute of Economic Crops in Shandong and Shandong Hui agricultural Co., Ltd. joint farming in 1995 bred Spring Festival ball Chinese cabbage dedicated varieties. The variety of the whole growth period of 50 days, leaf buckle hold, tight knot beautiful, net food rate, excellent quality. Strong winter, weak light resistance, low temperature, anti-bolting ability. General weight of about 3 kg single ball, hectare yield more than 75,000 kilograms. After several years in a large area of promotion in Jiangsu, Shandong, Henan, Anhui and other places show that its comprehensive traits significantly better than other varieties, and welcomed by growers. Now the protection of cultivation techniques and measures are summarized as follows: 1, the construction of nursery studio Spring Festival ball cabbage nursery, seedlings should be used protected areas. Nursery shed should be something to choose from flat, leeward sunny mass construction. The shed is 6 meters wide and 10 to 30 meters long. The central pillar is set up and the northern side of the shed houses a wind barrier of 1.5-2 meters in height.