三江平原西部土壤硒分布特征及其影响因素

牛雪, 何锦, 庞雅婕, 明圆圆

Distribution feature of soil selenium in west Sanjiang plain and its influencing factors

NIU Xue, HE Jin, PANG Ya-Jie, MING Yuan-Yuan

表3 研究区表层土土壤因子方差贡献率

Table 3 Variance contribution rates of surface soil factor in study area

F1 F2 F3 F4 F5 F6 F7 F8 F9 方差贡献率/% 15.516 11.302 10.802 8.127 8.115 7.254 4.811 4.046 3.248 累积方差贡献率/% 15.516 26.819 37.621 45.748 53.862 61.117 65.927 69.973 73.221