Calibration Transfer of Soil Total Carbon and Total Nitrogen between Two Different Types of Soils Based on Visible-Near-Infrared Reflectance Spectroscopy

Table 8

Comparison of different calibration transfer algorithms for the modified result of TC concentrations.

The number of standard set	First Sample			Second Sample
	Result	WMPDS-S/B	Add samples	Result	WMPDS-S/B	Add samples
10	rc	0.926	0.962	Errora (%)	6.43	34.69
	rp	0.853	0.699	Errorm (%)	18.24	86.51
	RPD	1.64	1.016	RMSEP	0.380	1.821
15	rc	0.926	0.963	Errora (%)	6.44	31.51
	rp	0.853	0.733	Errorm (%)	18.80	75.83
	RPD	1.64	1.036	RMSEP	0.378	1.714
20	rc	0.926	0.966	Errora (%)	6.22	26.59
	rp	0.853	0.697	Errorm (%)	15.21	62.72
	RPD	1.64	0.990	RMSEP	0.358	1.403
25	rc	0.926	0.938	Errora (%)	6.25	24.98
	rp	0.853	0.676	Errorm (%)	15.66	59.33
	RPD	1.64	1.096	RMSEP	0.364	1.242
30	rc	0.926	0.941	Errora (%)	6.72	26.07
	rp	0.853	0.679	Errorm (%)	15.95	59.33
	RPD	1.64	1.106	RMSEP	0.391	1.262