因苗制宜施好油菜苔肥油菜从现蕾到初花这段时间叫蕾苔期，一般从２月上中旬至３月初，历时的２０－３０天。此期是营养生长与生殖生长两旺阶段，这时苔茎伸长，分枝随着发育长大，花蕾不断分化，花树形成充实，根系也继续扩展，需要吸收大量的养分。据研究，油菜苔期吸收... Due to the seedling system should be good rape moss cole rape from budding to early flowering period called budding period, usually from mid-February to early March, lasted 20-30 days. This period is vegetative and reproductive growth stage, when the mulching elongation, branching as the growth and development, buds continue to differentiate, flower tree formation enrichment, roots also continue to expand, you need to absorb a lot of nutrients. According to research, rapeseed absorption period ...