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运用ARID CROP模型对东北三省春玉米气候生产力进行了数值模拟研究,给出了气候生产力分布图,并指定模式水分因子为最适状态,计算了春玉米光温生产潜力分布状况,在此基础上给出了水分增产力分布图。研究表明,东北地区春玉米气候生产力大致由南向北递减,变幅在4.5~22.5t/hm 2 之间,而光温生产力分布则主要表现为由西南向东北递增。水分增产力分析表明,对春玉米生产而言,东北地区中部水分条件最优,水分增产力为15% ,东西部水分条件较差,水分增产力为45% 左右。
Based on the ARID CROP model, the climate productivity of spring maize in the three northeastern provinces of China was numerically simulated. The climatic productivity distribution map was given, and the optimum moisture content of the model was calculated. Based on this, the distribution of potential productivity of spring maize was calculated The distribution of water productivity is given. The results show that the productivity of spring maize in northeastern China decreases from south to north in a range of 4.5 ~ 22.5t / hm 2, while the productivity of light and temperature productivity increases from southwest to northeast. Water productivity analysis showed that for spring maize production, the water condition in the central part of Northeast China was the best, water productivity was 15%, water quality was poor in eastern and western regions, water productivity was about 45%.