大白菜中后期管理

• 作 者: 廉志宏
• 机 构: 河北省农科院蔬菜研究所,
• 出 处: 河北农业科技
• 发表日期: 1985年09期
• 关键词: 白菜产量 中后期管理 莲座期 外叶 中期管理 叶球 真叶 后期产量 瑞毒霉 叶生

目前大白菜已开始进入中、后期生长阶段,这是白菜产量形成的关键时期,管理的好坏对产量及质量将有直接地影响。一、中期管理:白菜长出8—9片真叶,形成一个圆盘,又名圆棵。从圆棵至包心为莲座期,是白菜的中期生长阶段,外叶和根系生长很快,在20多天里,中晚熟

At present, Chinese cabbage has begun to enter the middle and late stages of growth, which is a key period for cabbage production. The quality of management will have a direct impact on production and quality. First, the medium-term management: cabbage grow 8-9 true leaves, forming a disc, also known as round tree. From the round tree to heart for the rosette period, is the medium-term growth stage cabbage, the outer leaves and roots grow rapidly in more than 20 days, the late maturity