Rapid Analysis of Main Quality Parameters in Forage Soybean by Near-Infrared Spectroscopy

Yan JIANG; He MENG; Yi-rong ZHAO; Xian-xu WANG; Sui WANG; En-yu XUE; Shao-dong WANG

doi:10.3964/j.issn.1000-0593(2022)03-0919-05

Journals >Spectroscopy and Spectral Analysis >Volume 42 >Issue 3 >Page 919 > Article

Spectroscopy and Spectral Analysis
Vol. 42, Issue 3, 919 (2022)

Rapid Analysis of Main Quality Parameters in Forage Soybean by Near-Infrared Spectroscopy

Yan JIANG^{1、1; 2;}, He MENG^1、1;, Yi-rong ZHAO^1、1;, Xian-xu WANG^1、1;, Sui WANG^1、1;, En-yu XUE^3、3;, and Shao-dong WANG^{1、1; *;}

Author Affiliations

¹1. Northeast Agricultural University/National Soybean Engineering Technology Research Center, Harbin 150030, China

³3. Heilongjiang Rural Industry Development Center, Harbin 150036, China

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DOI: 10.3964/j.issn.1000-0593(2022)03-0919-05 Cite this Article

Yan JIANG, He MENG, Yi-rong ZHAO, Xian-xu WANG, Sui WANG, En-yu XUE, Shao-dong WANG. Rapid Analysis of Main Quality Parameters in Forage Soybean by Near-Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 919 Copy Citation Text

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Fig. 1. Original spectral curve

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Fig. 2. PLS model of forage soybean quality by NW^1st+DE-trending+SNV treatments

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Fig. 3. The full spectrum curve after NW^1st+DE-trending+SNV treatments

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指标	最大值	最小值	平均值	标准差
CP	22.79	11.21	16.21	2.04
NDF	63.48	41.02	51.25	5.02
ADF	42.51	25.00	33.88	4.51

Table 1. Content statistics of main forage quality indexes in samples (%)

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预处理	CP				NDF				RMSEC
预处理	RMSEC	$R_{C}^{2}$	RMSEP	$R_{P}^{2}$	RMSEC	$R_{C}^{2}$	RMSEP	$R_{P}^{2}$	RMSEC	$R_{C}^{2}$	RMSEP	$R_{P}^{2}$
NW^1st	0.67	0.93	0.73	0.92	1.97	0.87	2.13	0.85	1.23	0.93	1.34	0.92
NW^1st+DE	0.54	0.96	0.61	0.95	1.72	0.90	1.89	0.87	1.20	0.93	1.30	0.92
NW^1st+DE+SNV	0.49	0.96	0.55	0.95	1.74	0.90	1.87	0.89	1.10	0.94	1.20	0.93
NW^2nd+DE+SNV	0.49	0.96	0.56	0.96	1.71	0.91	1.94	0.88	1.23	0.93	1.32	0.92

Table 2. Model results of main quality indexes of whole plants of forage soybean with different pretreatments

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