Contrast Analysis of 13C Nuclear Magnetic Resonance and Infrared Spectroscopy of Particulate Organic Carbons in Different Fertilizations
QU Xiao-jing1,2, WU Jing-gui1*, LI Ming-ming3, ZHANG Le-le2, CAO Li-jia2
1. College of Resources and Environmental Sciences, Jilin Agricultural University, Changchun 130118, China
2. Jilin City Academy of Agricultural Sciences, Jilin 132101, China
3. Shuangliao City Environmental Monitoring Station, Shuangliao 136400, China
Abstract：This paper comparatively studied the structural differences of particulate organic carbon (POC) in different organic fertilizations, to clear the mechanism of action of POC in soil carbon sequestration. Compared with chemical fertilization as the control, four kinds of organic material for this positioning fertilizer experiment were chosen, and the effects we analyzed of different organic fertilization on the structure of POC through the 13C Nuclear Magnetic Resonance (NMR) and Infrared Spectroscopy (IR). The results showed that POC was mainly composed of oxygen-containing groups and aliphatic structures, in which aliphaticity is higher than 75% and the content of oxygen-containing groups are higher than 50%; Different organic fertilization had greater difference impact on POC’s structure, and leaves fertilization could be improve POC aromaticity. At the same time, hydrophilic also increased significantly, about 0.78% than the control; Cow dung, maize straw or leaves could increase the aromaticity of POC in the short-term, the cow dung or straw treatment was more favorable for the stability of POC. Especially the straw treatment which aromaticity was higher 0.35% and 0.11% than control and cow dung, and the hydrophilicity was far lower than the two. The results of Infrared spectrum and nuclear magnetic analysis were basically identical, infrared spectrum can be used for preliminary screening for a large number of POC samples.
基金资助: Jilin Province Science and Technology Department Major Technical Special Bidding Projects (20150203004NY)，National Key R&D Projects (2017YFD0201801)
通讯作者:
吴景贵
E-mail: wujingguiok@163.com
作者简介: QU Xiao-jing, (1980—), female, the doctoral student in Jilin Agricultural University e-mail:
qxj8111@126.com
引用本文:
曲晓晶，吴景贵，李明明，张乐乐，曹笠珈. 不同培肥土壤颗粒有机碳的13C核磁共振与红外光谱对比分析[J]. 光谱学与光谱分析, 2018, 38(02): 650-653.
QU Xiao-jing, WU Jing-gui, LI Ming-ming, ZHANG Le-le, CAO Li-jia. Contrast Analysis of 13C Nuclear Magnetic Resonance and Infrared Spectroscopy of Particulate Organic Carbons in Different Fertilizations. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2018, 38(02): 650-653.
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