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大白菜是中国的原产蔬菜 ,在人民的日常生活中占有重要的地位。随着国家经济建设的发展 ,生活水平的逐渐提高 ,大白菜已经不仅仅是冬春季的蔬菜 ,发展趋势为四季都有 ,全年供应的重要菜种。春播大白菜 ,如果播期掌握不适当 ,春季气温低 ,苗期就可通过春化阶段 ,随着日照加长和
Chinese cabbage is a native vegetable in China and occupies an important position in people’s daily life. With the development of national economic construction and the gradual improvement of living standard, Chinese cabbage is not only a vegetable in winter and spring, but also an important vegetable species throughout the year. Spring sowing Chinese cabbage, if sowing improper grasp of low temperatures in spring, seedling stage can be through the vernalization, with the sunshine longer and