可见-近红外光谱原位估测土壤有机质含量中测试点和采样位置导致的误差分析

张昊丹¹, 孙孝林^1,^2,^*, 王晓晴¹, 王会利³

Analyzing Errors due to Measurement Positions and Sampling Locations for In Situ Measurements of Soil Organic Matter Using Vis-NIR Spectroscopy

ZHANG Hao-dan¹, SUN Xiao-lin^1,^2,^*, WANG Xiao-qing¹, WANG Hui-li³

不同有机质含量的土层的光谱 (a): 有机质含量最低; (b): 有机质含量最接近均值; (c): 有机质含量最高