研究文章
水土保持措施对土壤质量的影响指标:对于Geshy Subcatchment, Gojeb河流域,埃塞俄比亚
表7
土壤质量指标之间的皮尔逊相关系数的SWC措施Geshy subcatchment。
|
| 土壤质量指标 |
|
砂(%) |
淤泥(%) |
粘土(%) |
SWC, % |
TP, % |
pH-H2O |
SOC (%) |
TN (%) |
C: N比率 |
|
| 沙子 |
r |
0.02 |
1 |
|
|
|
|
|
|
|
|
| P |
0.88 |
|
|
|
|
|
|
|
|
|
| 淤泥 |
r |
−0.18 |
0.37
|
1 |
|
|
|
|
|
|
|
| P |
0.20 |
0.006 |
|
|
|
|
|
|
|
|
| 粘土 |
r |
0.15 |
−0.64
|
−0.94
|
1 |
|
|
|
|
|
|
| P |
0.27 |
0.000 |
0.000 |
|
|
|
|
|
|
|
| SWC |
r |
−0.08 |
−0.15 |
−0.125 |
0.14 |
1 |
|
|
|
|
|
| P |
0.58 |
0.289 |
0.368 |
0.31 |
|
|
|
|
|
|
| TP |
r |
−1.00
|
−0.01 |
0.186 |
−0.16 |
0.07 |
1 |
|
|
|
|
| P |
0.000 |
0.92 |
0.179 |
0.24 |
0.60 |
|
|
|
|
|
| pH值 |
r |
−0.01 |
−0.51
|
0.067 |
0.12 |
0.03 |
0.00 |
1 |
|
|
|
| P |
0.95 |
0.000 |
0.632 |
0.44 |
0.82 |
0.98 |
|
|
|
|
| SOC |
r |
−0.04 |
0.124 |
−0.40
|
0.27 |
0.26 |
0.04 |
0.033 |
1 |
|
|
| P |
0.78 |
0.372 |
0.003 |
0.05 |
0.06 |
0.79 |
0.812 |
|
|
|
| TN |
r |
−0.15 |
0.084 |
−0.249 |
0.16 |
0.20 |
0.15 |
0.160 |
0.74
|
1 |
|
| P |
0.27 |
0.546 |
0.070 |
0.25 |
0.15 |
0.27 |
0.249 |
0.000 |
|
|
| C: N比率 |
r |
0.14 |
0.046 |
−0.236 |
0.17 |
0.05 |
−0.14 |
−0.192 |
0.37
|
−0.34
|
1 |
| P |
0.33 |
0.741 |
0.086 |
0.21 |
0.71 |
0.33 |
0.165 |
0.006 |
0.012 |
|
| 美联社 |
r |
−0.13 |
−0.071 |
−0.044 |
0.08 |
−0.17 |
0.13 |
−0.115 |
−0.249 |
0.012 |
−0.35
|
| P |
0.37 |
0.610 |
0.750 |
0.58 |
0.224 |
0.37 |
0.406 |
0.070 |
0.930 |
0.009 |
|
|
,土壤容重;VSWC,土壤体积含水量;TP,总孔隙度;有机碳、土壤有机碳;TN、总氮;C: N比carbon-to-nitrogen比率;Av。P,磷可用。 相关在0.01级(2-tailed)具有重要意义。 相关在0.05级(2-tailed)具有重要意义。值是皮尔逊相关系数( r) n= 54。
|
