甘肃省中药材主产区陇西县土壤有机碳空间分布
唐亮, 何明珠, 白光祖, 赵鹏善, 任建新, 许华

The spatial distribution of soil organic carbon in the main producing areas of traditional Chinese medicine in Longxi Gansu China
Liang Tang, Mingzhu He, Guangzu Bai, Pengshan Zhao, Jianxin Ren, Hua Xu
表3 主成分回归克里金模型(PCRK)精度验证
Table 3 Accuracy verification of principal component regression Kriging model
土壤有机碳密度平均误差ME平均绝对误差MAE均方根误差RMSE相对精度RA
0~10 cm0.23381.33041.73101.7152
10~30 cm0.56052.81153.80613.7646
30~50 cm0.77643.67564.80374.7405