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通过对黑龙江垦区红兴隆地区１９６１～１９９８年终霜及地面最低温度≤０℃终日的统计，分析了该地区终霜的变化和区间分布特征，９０年代终霜有提前趋势，并提出了终霜御防措施
Through the statistics of the final frost in Hongxinglong area from 1961 to 1998 in Heilongjiang province and the minimum temperature ≤0 ℃ on the ground, the change of final frost and the distribution of the intervals in this area were analyzed. The frost tended to advance in the 1990s, Preventive measures