黑龙江省牡丹江市农作物丰欠气象条件分析

Analysis of the Weather Conditions in Abundant or Lean Years of Crops in Mudanjiang City of Heilongjiang Province

对黑龙江省牡丹江市农作物丰欠年气象条件进行了分析,结果表明,丰年生长季(5～9月)气温偏高,≥10℃积温偏多,无低温冷害,降水分布适于农情,无干旱与内涝,光照比较充足,即热、水、光三要素配合比较协调;欠年生长季(5～9月)气温偏低,积温少,降水分配失常,或旱或涝,低温、寡照,综合气象条件不利于农业生产。

The meteorological conditions in the abundant or lean years of crops in Mudanjiang City of Heilongjiang Province were analyzed.In abundant years,the temperature in growing season（from May to September）was higher,≥10 ℃ accumulated temperature was more,there was no chilling damage.The precipitation distribution was suitable for the agricultural situations.There was no drought and waterlogging.The light was abundant and the combinations of heat,water and light were coordinated.In lean years,the temperature in growing season（from May to September）was lower,the accumulated temperature was less,and the precipitation distribution was abnormal.The drought or waterlogging could be seen in this area,with low temperature and scant light.The comprehensive meteorological conditions were unfavorable for the agricultural production.