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大白菜属二年生作物,第一年播种后进行以营养生长为主的发育阶段,结出肥大的叶球,经过贮藏越冬,于翌年春季进行以生殖生长为主的发育阶段,开花结籽,完成一个生育周期。这里只介绍大白菜以营养生长为主的发育阶段中的生长特点和相应的栽培管理措施。一、播种前的准备(7月下旬—8月上旬)主攻目标:创造良好的土、肥、水、种等条件,奠定高产稳产的物质基础。
Chinese cabbage is a biennial crop. After the first year of sowing, vegetative growth is the main stage of development, and the hypertrophic leafy bulb is formed. After storage, the reproductive growth is mainly carried out in the following spring. A birth cycle. Here only introduces the growth of Chinese cabbage in the vegetative growth stage of the growth characteristics and the corresponding cultivation and management measures. First, the preparation before sowing (late July - early August) Main goal: to create a good soil, fertilizer, water, species and other conditions, to lay a solid foundation for high yield and stability.