东北典型黑土区耕地轮作休耕的空间重构

宋戈, 张红梅

Spatial reconstruction of farmland rotation and fallow in the typical black soil region of Northeast China

SONG Ge, ZHANG Hong-mei

表2 研究区主要作物种植空间适宜性分级统计

Table 2 Classification statistics of main crop planting suitability in the study area

作物 类型 适宜性等级 N S4 S3 S2 S1 适宜性分值 0 (0, 75] (75, 80] (80, 85] (85, 100] 水稻 面积/km2 6798.41 694.89 475.09 286.37 52.66 比例/% 81.84 8.36 5.72 3.45 0.63 玉米 面积/km2 0.02 1572.16 3317.53 3318.62 99.10 比例/% 0 18.93 39.93 39.95 1.19 大豆 面积/km2 1051.28 62.13 1375.34 4671.95 1146.73 比例/% 12.65 0.75 16.56 56.24 13.80