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20多年来,不少地区双季稻常因异常气候的影响,产量波动较大,特别是晚稻产量变动最大。本文着重从温、光反应方面探讨晚稻的特点,以解决生产上的某些问题。一、温、光对不同品种类型的产量反应 1976—1979年4年的温、光状况各不相同,1976年和1979年属于低温年,1977年和1978年的温、光条件都比这两年好,是晚稻生产比较理想的温、光年。从每年的品种比较试验中,抽出“泸双1011”、“泸晚4号”和“汕优2号”三种类型品种,分析其年度间产量的变
In more than 20 years, the double cropping rice in many areas is often affected by abnormal climate and its output fluctuates greatly, especially in late rice. This article focuses on the characteristics of late rice from the aspects of temperature and light response to solve some problems in production. First, the temperature and light of different types of yield response 1976-1979 four years of temperature and light conditions vary from 1976 and 1979 were in low-temperature years, 1977 and 1978 temperature and light conditions are more than these two Good year is the ideal temperature and light year for late rice production. From the annual variety comparison test, three varieties of “Lu Shuang 1011”, “Lu Luxi 4” and “Shanyou 2” were selected to analyze the changes of their annual yield