三江平原水稻低温冷害类型研究

通过气象资料分析，进一步弄清该地区低温发生规律及对水稻产量的影响，为尽快开发三江平原，提高水稻产量，减轻冷害损失提供科学依据。

Study on The Types of Low Temperature and Cold Damage of Rice in San River Plain

The main meteorologic calamity that influences on rice yield in San River Plain is lowtemperature. Some studies1,2,3,] have reported about low temperature and cold damage ofcrops in northeast region,little is known about the type of low temperature and cold damageof rice in the region This through the analysis of meteorologic datum,the objective of thestudy is to discuss the rule of low temperature occurrence and its effect on rice yield,and pro-vide scientific basis for the exploitation of San River Plain,increasing rice yield and reducingcold damage loss.