东北平原区地块尺度土地质量地球化学评价合理采样密度研究

彭敏, 李括, 刘飞, 唐世琪, 马宏宏, 杨柯, 杨峥, 郭飞, 成杭新

Reasonable sampling density for land parcel scale geochemical assessment on land quality in Northeast China Plain

Min PENG, Kuo LI, Fei LIU, Shi-Qi TANG, Hong-Hong MA, Ke YANG, Zheng YANG, Fei GUO, Hang-Xin CHENG

图7 640点位数据预测等级与1 236点位数据实测等级对比

Fig.7 Comparison of predicted and measured classes using 640 samples and 1236 samples respectively