一、研究、推广概况 旱育抛寄二段秧作为杂交稻的重要高产配套技术,在理论上符合水稻的生长发育规律,在生产上简便易行,增产显著,因而发展很快。尤其自1986年全省组织推广以来,发展更快,应用更广,效果更佳。概括多年实践,它在我区的发展,有如下几个特点: First, the research and promotion Overview Drying and throwing the second section of seedlings as hybrid rice is an important high-yielding supporting technology, in theory, consistent with the growth and development of rice law, in the production of simple, significant yield, and thus developed rapidly. Especially since the promotion of the provincial organization in 1986, the development has been faster, the application more extensively and the effect has been better. Summarized many years of practice, its development in our region, has the following characteristics: