坡度范围 | 耕地面积(hm2) | 土地面积(km2) | 优势(hm2/km2) |
≤2˚ | 1789.20 | 53.4789 | 33.46 |
>2˚, ≤6˚ | 7524.45 | 292.0968 | 25.76 |
>6˚, ≤15˚ | 17,218.53 | 1040.5152 | 16.55 |
>15˚, ≤25˚ | 7813.26 | 1068.2982 | 7.31 |
>25˚ | 1703.88 | 1020.9627 | 1.67 |
总计 | 36,049.32 | 3475.3518 | 10.37 |