代表区、作物灌溉 | 分析项目 | 10 cm | 20 cm | 30 cm | 40 cm | 50 cm | 60 cm | 80 cm |
榆树沟镇曙光村, 葡萄滴灌 | 平均/% | 19.2 | 21.2 | 23.1 | 22.3 | 24.0 | 22.1 | 29.3 |
标准误差 | 0.4 | 0.5 | 0.3 | 0.2 | 0.3 | 0.3 | 0.3 | |
中位数/% | 19.1 | 20.8 | 22.9 | 22.7 | 23.9 | 21.9 | 29.6 | |
众数/% | 21.8 | 21.6 | 26.8 | 24.4 | 27.2 | 26.4 | 33.4 | |
标准差 | 5.1 | 5.5 | 3.7 | 2.9 | 3.1 | 3.2 | 3.3 | |
方差 | 26.5 | 30.3 | 13.1 | 8.1 | 9.7 | 10.3 | 10.6 | |
峰度 | −0.7 | −0.6 | −1.0 | −0.8 | −1.0 | −1.3 | −1.5 | |
偏度 | 0.2 | 0.5 | 0.3 | −0.3 | −0.2 | −0.1 | −0.1 | |
区域/% | 22.4 | 21.1 | 14.2 | 12.5 | 12.7 | 11.3 | 10.1 | |
最小值/% | 9.9 | 13.5 | 17.4 | 16.4 | 17.9 | 16.3 | 23.9 | |
最大值/% | 32.3 | 34.6 | 31.6 | 28.9 | 30.4 | 27.6 | 33.9 | |
观测数/组 | 307 | 307 | 307 | 307 | 307 | 307 | 307 |