水稻旱床育秧防止死苗四法旱育稀植技术是目前水稻高产栽培技术中的一次革新。该技术操作简便，省种、省膜、省肥、省工，节约秧田，早熟高产。笔者经几年来实践的经验是，一般苗到三叶期大多会出现死苗现象，遇上恶劣天气死苗更为严重。克服死苗有以下四法：１提早培肥床... Rice dry bed nursery seedlings to prevent dead shoots Four kinds of dry nursery plant breeding technology is a high yielding cultivation technology in rice an innovation. The technology is easy to operate, provincial species, film, fertilizer, labor, saving seedling, early maturity and high yield. The author’s experience after several years of practice is that most of the seedling to the three-leaf stage appears dead seedling phenomenon, in case of bad weather dead seedling more serious. Overcome dead seedlings have the following four methods: 1 early training bed ...