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低温冷害是农业的一大灾害。低温冷害年各作物生长都欠佳,给人民的生产、生活带来困难。但对于天然生长的未经人为干涉的森林树木来说是否也具有同样情况呢?为此我们调查了建国以来(1949～1975年)20几年间长白山低温冷害同几个主要树种胸径生长之间的关系。1949～1975年主要低温冷害年(标准是△(?)_(5-9)≤-2.5℃)是:1953、1954、1957、1969、1971、1972年。树木胸径生长资料是根据1975—1976年《吉林省年轮资料汇编》
Chilling is a major agricultural disaster. Chilling chilling all crops are poor growth, to the people’s production and living difficulties. But for the natural growth of non-human intervention forest trees also have the same situation? To this end, we investigated since the founding of the PRC (1949 ~ 1975) 20 years of cold damage in Changbai Mountain and several major tree species diameter growth between relationship. The main chilling injury years from 1949 to 1975 (the standard is △ (?) _ (5-9) ≤-2.5) are: 1953, 1954, 1957, 1969, 1971, 1972. DBH growth information is based on 1975-1976 “annual ring of Jilin Province, compilation”