Table 1.
Summary of spectral band selection and modeling techniques for soil properties prediction.
Fig 1.
Location of study area and distribution of soil sampling sites.
Fig 2.
The flowchart of the paper.
Table 2.
Statistical characteristics of soil organic matter content of a Eucalyptus plantation in the red soil area of Huangmian Forest Farm.
Fig 3.
Average spectral curve of: (A) soil reflectance; (B) the first derivative; and (C) the logarithmic first derivative with different levels of organic matter content.
Fig 4.
Correlation coefficient between soil organic matter and spectral reflectance.
Table 3.
Comparison of modeling results between two filter algorithms.
Table 4.
Comparison of soil organic matter hyperspectral prediction modeling methods.