从出穗前40天起，水稻开始进入长大叶、发新报、拔茎节，孕幼穗的生育中期；从出穗开花之日起，则开始进入藤浆成熟的生育后期。做好中后期的水肥管理工作，对于培育发达健康的根茎叶和因而获取高产味美的好稻谷，有着十分重要的意义。1、培育发达的健康根从出穗40天前开始发出 From the first 40 days before heading out, rice began to enter the growing leaves, send a new report, pull out the stems and young ears of the mid-growth stage; Good mid-late water and fertilizer management work, for the cultivation of healthy roots and leaves and thus obtain high yield delicious rice, has very important significance. 1, to develop well-developed healthy roots from the spike 40 days ago issued