Prediction Model of the Key Components for Lodging Resistance in Rapeseed Stalk Using Near-Infrared Reflectance Spectroscopy (NIRS)

Table 2

Division of the calibration set and validation set.

Index	Set type	Quantity of samples	Maximum value (%)	Minimum value (%)	Mean value (%)	Standard deviation
Carbon	CA	250	46.37	41.13	44.17	1.03
	VA	90	46.37	41.23	44.21	1.12
Nitrogen	CA	250	0.68	0.12	0.34	0.08
	VA	90	0.68	0.13	0.33	0.10
Lignin	CA	180	34.96	18.64	25.27	3.16
	VA	60	34.95	19.64	25.25	4.08
Acid quality lignin	CA	180	34.80	14.83	23.65	4.12
	VA	60	38.51	13.70	24.72	5.71
Soluble sugar	CA	150	5.68	1.52	3.17	0.88
	VA	50	5.55	1.53	3.21	1.12
Cellulose	CA	150	38.27	9.69	23.42	5.80
	VA	50	38.27	11.36	23.63	7.43