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大白菜是北方秋季种植的主要蔬菜之一,秋季收获贮藏后供冬春之用,想要获得丰产,应掌握以下关键技术:一、选用优种选择优质、抗病、抗逆性强、商品性好的品种。二、施足基肥老菜田土壤肥力较高,可适量少施有机肥,复合肥的养分比例以氮、钾为主,配合施用磷肥。当年的新菜地要重施有机肥,配合施用三元复合肥。三、适期蹲苗
Chinese cabbage is one of the main vegetables planted in autumn in the north. After harvesting for storage in autumn, winter cabbage is used for harvesting. To obtain high yield, Chinese cabbage should have the following key technologies: 1. Selection of elite selection of high-quality, disease-resistant and stress-resistant products Good sex variety. Second, Shizujifeilao vegetable fields higher soil fertility, organic fertilizer may be appropriate amount of less, the proportion of fertilizer nutrients to nitrogen and potassium-based, with the application of phosphate fertilizer. New vegetables that year to re-apply organic fertilizer, with the application of ternary compound fertilizer. Third, the appropriate duration Dunmiao