Hong-wei PAN, Wen-bin TONG, Hong-jun LEI, Guang YANG, Li-li SHI. Spectral Analysis of the Effect of Organic Fertilizer Application on the Evolution of Organic Matter and Nitrogen in Farmaland[J]. Spectroscopy and Spectral Analysis, 2022, 42(10): 3116
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 10, 3116 (2022)
Fig. 1. 3D fluorescence spectra of soil DOM
Fig. 2. BIX changes of soil DOM
Fig. 3. HIX changes of soil DOM
Fig. 4. Correlation analysis between Bix and Hix of soil DOM
Fig. 5. Fluorescence components(C1, C2, C3) of DOM identified by PARAFAC model
Fig. 6. 2D-COS and hetero 2D-COS maps of fluorescence components of DOM
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Table 1. Changes of soil chemical properties under different treatments
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Table 2. Changes of soil DOM fluorescentce components under different treatments
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Table 3. Results of 2D-COS analysis of DOM fluorescence components
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Table 4. Typical correlation coefficients between the relative content of DOM fluorescence components and nitrate and ammonium nitrogen contents
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