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Biological, Physicochemical, and Spectral Properties of Aerated Compost Extracts: Influence of Aeration Quantity

文献类型： 外文期刊

作者： Xu, Dabing 1 ; Zhao, Shujun 2 ; Xiong, Yousheng 2 ; Peng, Chenglin 2 ; Xu, Xiangyu 2 ; Si, Guohan 2 ; Yuan, Jiafu 2 ; Hua 1 ;

作者机构： 1.Nanjing Agr Univ, Coll Resources & Environm, Nanjing 210095, Jiangsu, Peoples R China

2.Hubei Acad Agr Sci, Res Inst Plant Protect & Soil Fertilizer, Wuhan, Peoples R China

关键词： Aerated compost extracts;cross-polarization magic-angle-spinning C-13 nuclear magnetic resonance (CP-MAS C-13 NMR) spectra;excitation-emission matrix (EEM) fluorescence;Fourier transform infrared spectroscopy (FTIR);promotion growth

期刊名称：COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS （ 影响因子：1.327； 五年影响因子：1.315 ）

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收录情况： SCI

摘要： The goal of this experiment was to investigate the effect of aeration quantity ( 0, 11, 33, 55, and 77 L center dot min- 1) on the growth of aerated compost extracts from a pig manurestraw compost. When the aeration quantity was 11 L center dot min- 1, lettuce root growth enhancement of normalized compost extracts was at a maximum. As the aeration quantity increased, the total water- soluble organic carbon ( TWSOC), total nitrogen ( TN), total phosphorus ( TP), humic carbon ( humic C) content, and humification degree of compost extracts improved gradually. No differences in functional group structure were found among the aerated compost extracts. The positive root growth could be attributed to physicochemical and spectral characteristics, such as TN content, humic substances content, humification, aromaticity, and the low content of carboxyl groups. In conclusion, the aeration quantity of 11 L center dot min- 1 was suitable for the production of aerated compost extracts, which obtained much greater promotion growth.

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[1]Structure of chemical components in different compost extracts characterized by chromatogram and spectroscopy analysis and its influence on plant growth promotion. Xu, Dabing,Liu, Dongyang,Tang, Zhu,Yu, Guanghui,Shen, Qirong,Huang, Qiwei,Yuan, Jiafu. 2012

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