Quantitative Estimating Salt Content of Saline Soil Using Laboratory Hyperspectral Data Treated by Fractional Derivative

Table 1

Statistical results of salt content (g/kg) and pH value.

Item	Min.	Max.	Mean	SD	CV/%	Skewness	Kurtosis
Salt content	0.0	196.0	14.739	15.610	105.909	3.730	15.202
pH value	7.9	9.718	8.546	0.415	4.851	1.028	0.537

SD: standard derivation; CV: coefficient of variation.