Analysis of DOC Component Structure of Black Soil Profile With Straw Deeply Bried and Based on Fluorescence Spectrum

En-jun KUANG; Feng-qin CHI; Jiu-ming ZHANG; Ming-gang XU; Colinet Gilles; Qing-rui SU; Xiao-yu HAO; Bao-guo ZHU; [in Chinese]

doi:10.3964/j.issn.1000-0593(2022)10-3243-06

Journals >Spectroscopy and Spectral Analysis >Volume 42 >Issue 10 >Page 3243 > Article

Spectroscopy and Spectral Analysis
Vol. 42, Issue 10, 3243 (2022)

Analysis of DOC Component Structure of Black Soil Profile With Straw Deeply Bried and Based on Fluorescence Spectrum

En-jun KUANG^1、*, Feng-qin CHI^1、1;, Jiu-ming ZHANG^1、1;, Ming-gang XU^{2、2; *;}, Colinet Gilles^3、3;, Qing-rui SU^1、1;, Xiao-yu HAO^1、1;, Bao-guo ZHU^4、4;, and [in Chinese]^3、3;

Author Affiliations

¹1. Heilongjiang Academy of Black Soil Conservation & Utilization, The Key Laboratory of Soil Environment and Plant Nutrition of Heilongjiang Province, Harbin 150086, China

²2. Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China

³3. Department of Biosystems Engineering (BIOSE), Gembloux Agro-Bio Tech of Université de Liège, Jean Bru, Belgium

⁴4. Jiamusi Branch of Heilongjiang Academy of Agricultural Sciences, Jiamusi 154007, China

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DOI: 10.3964/j.issn.1000-0593(2022)10-3243-06 Cite this Article

En-jun KUANG, Feng-qin CHI, Jiu-ming ZHANG, Ming-gang XU, Colinet Gilles, Qing-rui SU, Xiao-yu HAO, Bao-guo ZHU, [in Chinese]. Analysis of DOC Component Structure of Black Soil Profile With Straw Deeply Bried and Based on Fluorescence Spectrum[J]. Spectroscopy and Spectral Analysis, 2022, 42(10): 3243 Copy Citation Text

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Fig. 1. The content of DOC and percentage of DOC and SOC in different treatments

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Three dimensional fluorescence components of soil DOC in different treatmentsNote: Peak A: fulvic-acid-like in UV region; Peak T: short wave tryptophan-like (protein-like); Peak B: Tyrosine-like (protein-like)

Fig. 2. Three dimensional fluorescence components of soil DOC in different treatments
Note: Peak A: fulvic-acid-like in UV region; Peak T: short wave tryptophan-like (protein-like); Peak B: Tyrosine-like (protein-like)

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处理	FI	BIX	HIX
CK	1.49±0.02	0.89±0.20a	0.72±0.16
T1	1.49±0.04	0.97±0.06a	0.72±0.04
T2	1.50±0.06	0.83±0.15ab	0.76±0.09
T3	1.54±0.03	0.88±0.17a	0.76±0.09
T4	1.51±0.05	0.91±0.17a	0.75±0.06
T5	1.52±0.05	0.68±0.03b	0.83±0.04

Table 1. Average fluorescence spectral index of soil DOC in different treatments

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处理	C1	C2	C1+C2	相对百分比/%
处理	C1	C2	C1+C2	C1	C2
CK	1 191.21±571.61	827.41±416.34ab	2 018.62±860.58	55.79	44.21
T1	1 129.28±529.87	1 143.47±176.79a	2 272.75±567.54	46.84	53.16
T2	1 253.68±562.98	794.99±273.44ab	2 048.67±768.88	57.77	42.23
T3	1 269.22±418.39	932.04±127.29ab	2 201.26±407.54	56.24	43.76
T4	1 396.80±145.95	1 156.04±418.43a	2 552.84±498.05	55.87	44.13
T5	1 404.37±144.76	697.19±209.51b	2 101.56±276.95	67.19	32.81

Table 2. Fluorescence intensity and relative percentage of soil DOC fluorescence components

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	DOC	DOC/SOC /%	C1 (类腐殖质)	C2 (类蛋白质)
处理	0.000	0.000	0.000	0.000
土壤深度	0.000	0.000	0.000	0.000
处理×土壤深度	0.000	0.000	0.000	0.000
R-Sq	94.08%	95.41%	99.68%	99.05%

Table 3. Average fluorescence spectral index of soil DOC under different treatment

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