内蒙古河套灌区作物种植结构变化及其驱动因素

高永道, 乔荣荣, 季树新, 白雪莲, 王理想, 常学礼

Changes and driving factors of crops planting structure in Hetao Irrigation Region in Inner Mongolia

Yongdao Gao, Rongrong Qiao, Shuxin Ji, Xuelian Bai, Lixiang Wang, Xueli Chang

表4 关键驱动因子对作物种植面积波动的影响

Table 4 The influence of key driving factors on fluctuation of crop planting area

预测指标 复相关系数 显著性 玉米(Ym) Ym=-0.212X1-35.553X2+6.909X3+1.948X4+0.146X5-0.311X6-240.089 0.950 0.000 小麦(Yw) Yw=1.046X1+56.815X2-0.603X3+3.440X4-0.129 X5-2.555 X6-444.092 0.974 0.000 向日葵(Ys) Ys=0.727X1+2.946X2+4.237X3-10.572X4-0.007X5+2.448X6+1896.227 0.945 0.000 番瓜(Yz) Yz=-0.532X1+37.229X2+0.376X3+0.717X4+0.037X5-0.395X6-159.197 0.794 0.070