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2 公主岭市大岭地区土壤元素变异系数柱状图 |
Fig.2 Coefficient of variation of elements in soils from the study area |
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