如何实现秦岭高山稻区杂交水稻稳产、高产技术问题,是值得认真总结的重要问题。我个人认为在管理上出现的问题比较多而突出,尤其是低山稻区。现将近几年来杂交水稻亩成穗数少,空秕率高,结实率降低,影响产量的主要因素总结如下: 1 栽培管理上存在的问题是重要原因由于我们对杂交水稻的生理特性,缺乏全面了解,在很大程度上没有按照杂交水稻的特性去管理,出现了一些问题。 How to achieve the stable yield and high yield of hybrid rice in the high mountainous area of ​​Qinling is an important issue worth serious review. Personally, I think there are more and more problems in management, especially in low-mountain rice areas. Now in recent years hybrid rice acre less spike, empty rate, lower seed setting rate, the main factors affecting the yield are summarized as follows: 1 cultivation and management problems are important due to our physiological characteristics of hybrid rice, lack of comprehensive Understand, to a large extent, not in accordance with the characteristics of hybrid rice to manage, there have been some problems.