代表区、作物灌溉 | 分析项目 | 20 cm | 40 cm | 60 cm | 80 cm | 100 cm | 120 cm | 140 cm |
试验区土豆滴灌 | 平均/% | 27.5 | 29.2 | 31.9 | 33.7 | 34.3 | 39.1 | 39.4 |
标准误差 | 0.5 | 0.4 | 0.4 | 0.2 | 0.3 | 0.3 | 0.3 | |
中位数/% | 27.0 | 28.5 | 31.9 | 34.0 | 35.0 | 40.3 | 40.4 | |
众数/% | 27.4 | 16.4 | 16.5 | 34.3 | 18.4 | 40.6 | 20.7 | |
标准差 | 4.3 | 3.9 | 3.2 | 2.4 | 2.4 | 2.6 | 2.7 | |
方差 | 18.2 | 14.8 | 10.5 | 5.6 | 6.0 | 7.1 | 7.6 | |
峰度 | 1.5 | 0.6 | 5.0 | 4.2 | 1.4 | 5.0 | 0.6 | |
偏度 | 0.9 | 0.7 | 1.2 | -0.8 | -1.2 | -2.0 | -1.3 | |
区域/% | 21.3 | 18.4 | 21.0 | 17.4 | 12.6 | 13.9 | 10.3 | |
最小值/% | 21.3 | 22.6 | 25.7 | 23.5 | 27.2 | 27.7 | 32.8 | |
最大值/% | 42.6 | 41.0 | 46.6 | 40.9 | 39.7 | 41.6 | 43.1 | |
观测数/组 | 193 | 193 | 193 | 193 | 193 | 193 | 193 |