基于农作制分区的1985—2015年中国小麦生产时空变化

白冰,杨雨豪,王小慧,贾浩,吴尧,史磊刚,尹小刚,陈阜

Spatio-temporal changes of China’s wheat production based on division of farming system during 1985-2015

Bing BAI,Yu-Hao YANG,Xiao-Hui WANG,Hao JIA,Yao WU,Lei-Gang SHI,Xiao-Gang YIN,Fu CHEN

表5 1985-2015年各农作区小麦平均单产变化特征

Table 5 Characteristics of wheat yield in farming regions of China from 1985 to 2015

农作制一级区 Main plot of farming systems 1985 1990 1995 2000 2005 2010 2015 平均单产 Average yield 增加速率 Rate of increase P R2 东北农作区 Northeast farming region 1798 2555 2971 1802 3242 3797 5466 2495 98.3 0.021 0.960 黄淮海平原农作区 Huang-Huai-Hai farming region 3461 3675 4459 4658 5249 6008 6472 4859 103.5 0.000 0.983 长江中下游农作区 Yangtze Plain farming region 2924 3163 3566 3640 4240 4930 5078 3923 76.2 0.000 0.961 江南丘陵农作区 Jiangnan farming region 2014 2014 1972 2260 2162 2501 2733 2084 23.7 0.006 0.801 华南农作区 South farming region 1686 2330 2619 2473 2132 2172 1767 2208 -4.0 0.789 0.016 北部中低高原农作区 North farming region 1691 2139 1795 1987 2457 2582 2933 2123 37.7 0.005 0.816 农作制一级区 Main plot of farming systems 1985 1990 1995 2000 2005 2010 2015 平均单产 Average yield 增加速率 Rate of increase P R2 西北农作区 Northwest farming region 3055 3519 4328 4880 5263 5588 5699 4556 92.9 0.000 0.954 四川盆地农作区 Sichuan Basin farming region 3215 3336 3680 3733 3965 4166 3738 3652 25.1 0.024 0.671 西南中高原农作区 Southwest farming region 1649 2007 2147 2226 2288 2224 2463 2129 21.6 0.005 0.814 青藏高原农作区 Tibet Plateau farming region 2576 3193 3406 3965 4521 4486 4513 3746 67.9 0.001 0.911