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Chemical structures and characteristics of animal manures and composts during composting and assessment of maturity indices

文献类型： 外文期刊

作者： Huang, Jieying 1 ; Yu, Zixuan 1 ; Gao, Hongjian 1 ; Yan, Xiaoming 3 ; Chang, Jiang 1 ; Wang, Chengming 4 ; Hu, Jingwei 1 ;

作者机构： 1.Anhui Agr Univ, Sch Resources & Environm, Hefei, Anhui, Peoples R China

2.Anhui Prov Key Lab Farmland Ecol Conservat & Poll, Hefei, Anhui, Peoples R China

3.Anhui Acad Agr Sci, Inst Agroprod Proc Sci & Technol, Hefei, Anhui, Peoples R China

4.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei, Anhui, Peoples R China

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2017 年 12 卷 6 期

页码：

收录情况： SCI

摘要： Changes in physicochemical characteristics, chemical structures and maturity of swine, cattle and chicken manures and composts during 70-day composting without addition of bulking agents were investigated. Physicochemical characteristics were measured by routine analyses and chemical structures by solid-state C-13 NMR and FT-IR. Three manures were of distinct properties. Their changes in physicochemical characteristics, chemical structures, and maturity were different not only from each other but also from those with addition of bulking agents during composting. Aromaticity in chicken manure composts decreased at first, and then increased whereas that in cattle and swine manure composts increased. Enhanced ammonia volatilization occurred without addition of bulking agents. NMR structural information indicated that cattle and chicken composts were relatively stable at day 36 and 56, respectively, but swine manure composts were not mature up to day 70. Finally, the days required for three manures to reach the threshold values of different maturity indices were different.

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