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一、柑桔冻害问题的探讨长江中下游地区是我国柑桔生产区之一,发展柑桔生产潜力很大,但柑桔冻害的威胁也较大。以我省为例,1960年全省柑桔总产已超过历史上的最高水平,并初步建立起邵阳地区等多处无核蜜桔生产基地。但仅建国以来的28年,全省就发生过三次柑桔大冻,绝对最低气温值都在-7～-8℃以下。1977年一月的第三次柑桔大
First, the citrus frost damage problems The middle and lower reaches of the Yangtze River is one of China’s citrus production areas, the development of citrus great potential for production, but citrus frost damage is also greater. In our province, for example, in 1960 the province’s total output of citrus has exceeded the highest level in history, and initially established a number of non-nuclear tangerines production base in Shaoyang. However, only 28 years since the founding of the People’s Republic, there have been three major citrus frozen in the province, with the absolute minimum temperature below -7 ~ -8 ℃. The third citrus big in January 1977