Spectroscopy and Spectral Analysis, Volume. 41, Issue 10, 3092(2021)

Rapid Determination of Nitrogen and Phosphorus in Dairy Farm Slurry Via Near-Mid Infrared Fusion Spectroscopy Technology

Di SUN*, Meng-ting LI1;, Mei-rui MU1;, Run ZHAO1; *;, and Ke-qiang ZHANG1; *;
Author Affiliations
  • 1. Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
  • show less
    Figures & Tables(7)
    Flow chart of slurry movement
    Distribution of dairy farms and sampling amountsNote: Black dots in the map represent 27 dairy farms
    Near infrared spectra (a) and mid infrared spectra (b) after normalization treatment
    Prediction results of the slurry TN model
    Prediction results of the slurry TP model
    • Table 1. Measurement results of the nitrogen and phosphorus in slurry samples

      View table
      View in Article

      Table 1. Measurement results of the nitrogen and phosphorus in slurry samples

      指标浓度范围/(mg·L-1)均值/(mg·L-1)
      TN80.435~6 768.2902 106.708
      TP9.163~188.675100.590
    • Table 2. Comparison of PLS, IPLS and SIPLS calibration models for the nitrogen and phosphorus in the slurry

      View table
      View in Article

      Table 2. Comparison of PLS, IPLS and SIPLS calibration models for the nitrogen and phosphorus in the slurry

      技术指标方法波段区间/cm-1因子数RMSEC/
      (mg·L-1)
      RMSECV/
      (mg·L-1)
      NIRTNPLS12 000~4 00011289.808367.684
      IPLS6 666~5 3345381.675410.482
      SIPLS10 930~10 400, 9 330~8 798, 7 194~6 662, 5 594~5 06410290.842363.902
      TPPLS12 000~4 000815.71618.009
      IPLS10 802~9 762, 9 122~8 162616.46417.828
      SIPLS10 400~9 600, 7 998~7 200, 4 798~4 000616.00317.044
      MIRTNPLS4 000~65014217.394333.226
      IPLS3 170~2 834, 1 658~98613230.29319.044
      SIPLS4 000~3 778, 3 104~2 882, 1 536~1 0949259.283288.059
      TPPLS4 000~650529.01731.955
      IPLS3 170~2 834, 1 658~986528.62530.937
      SIPLS2 656~2 434, 1 536~1 316, 1 092~872230.35230.766
      NIR plus MIRTNPLS12 000~65014229.994335.001
      IPLS9 168~4 056, 2 922~2 354, 1 786~1 21815187.967297.771
      SIPLS12 000~11 240, 2 916~1 406, 4 426~3 6749240.972278.692
      TPPLS12 000~6501017.27321.944
      IPLS10 870~9 516, 9 288~5 208, 2 928~2 702, 1 788~878818.21020.904
      SIPLS12 000~11 240, 8 968~8 212, 6 694~5 940, 2 160~1 4061016.67920.400
    Tools

    Get Citation

    Copy Citation Text

    Di SUN, Meng-ting LI, Mei-rui MU, Run ZHAO, Ke-qiang ZHANG. Rapid Determination of Nitrogen and Phosphorus in Dairy Farm Slurry Via Near-Mid Infrared Fusion Spectroscopy Technology[J]. Spectroscopy and Spectral Analysis, 2021, 41(10): 3092

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Research Articles

    Received: Jan. 16, 2021

    Accepted: --

    Published Online: Oct. 29, 2021

    The Author Email: Di SUN (sdi0825@126.com)

    DOI:10.3964/j.issn.1000-0593(2021)10-3092-07

    Topics