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Spectroscopy and Spectral Analysis, Volume. 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 KUANG1、*, Feng-qin CHI1、1;, Jiu-ming ZHANG1、1;, Ming-gang XU2、2; *;, Colinet Gilles3、3;, Qing-rui SU1、1;, Xiao-yu HAO1、1;, Bao-guo ZHU4、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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    AbstractGet PDF(in Chinese)
    Figures&Tables (5)
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    Figures & Tables(5)
    The content of DOC and percentage of DOC and SOC in different treatments

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

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

      处理FIBIXHIX
      CK1.49±0.020.89±0.20a0.72±0.16
      T11.49±0.040.97±0.06a0.72±0.04
      T21.50±0.060.83±0.15ab0.76±0.09
      T31.54±0.030.88±0.17a0.76±0.09
      T41.51±0.050.91±0.17a0.75±0.06
      T51.52±0.050.68±0.03b0.83±0.04

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

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

      处理C1C2C1+C2相对百分比/%
      C1C2
      CK1 191.21±571.61827.41±416.34ab2 018.62±860.5855.7944.21
      T11 129.28±529.871 143.47±176.79a2 272.75±567.5446.8453.16
      T21 253.68±562.98794.99±273.44ab2 048.67±768.8857.7742.23
      T31 269.22±418.39932.04±127.29ab2 201.26±407.5456.2443.76
      T41 396.80±145.951 156.04±418.43a2 552.84±498.0555.8744.13
      T51 404.37±144.76697.19±209.51b2 101.56±276.9567.1932.81

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

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

      DOCDOC/SOC
      /%      		C1
      (类腐殖质)      		C2
      (类蛋白质)
      处理0.0000.0000.0000.000
      土壤深度0.0000.0000.0000.000
      处理×土壤深度0.0000.0000.0000.000
      R-Sq94.08%95.41%99.68%99.05%
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    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

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    Paper Information

    Category: Research Articles

    Received: Aug. 16, 2021

    Accepted: Nov. 18, 2021

    Published Online: Nov. 23, 2022

    The Author Email: En-jun KUANG (kuangenjun2002@163.com)

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

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology