摘要
The meteorological conditions in the abundant or the lean years of crops in Mudanjiang City of Heilongjiang Province were analyzed. The study shows that heat,water and light coordinated closely in the abundant years;on the contrary,the comprehensive meteorological conditions were unfavorable for agricultural production in the lean years. A good yield showed up when there were a higher temperature and a larger amount of accumulated temperature above 10 ℃ with no sign of cold damage,an exactly favorable precipitation distribution with little drought or water-logging and a comparatively abundant light during the growing season(from May to September) . However,the crop yield was low when there were a lower temperature and a smaller amount of accumulated temperature,an abnormal precipitation distribution with drought or water logging and scant sunlight during the growing season(from May to September).
The meteorological conditions in the abundant or the lean years of crops in Mudanjiang City of Heilongjiang Province were analyzed. The study shows that heat,water and light coordinated closely in the abundant years;on the contrary,the comprehensive meteorological conditions were unfavorable for agricultural production in the lean years. A good yield showed up when there were a higher temperature and a larger amount of accumulated temperature above 10 ℃ with no sign of cold damage,an exactly favorable precipitation distribution with little drought or water-logging and a comparatively abundant light during the growing season(from May to September) . However,the crop yield was low when there were a lower temperature and a smaller amount of accumulated temperature,an abnormal precipitation distribution with drought or water logging and scant sunlight during the growing season(from May to September).
