Different Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting

This study evaluated the effects of thermophilic microbiological inoculation alone (TA) and integrated with biochar (TB) on the physicochemical characteristics and bacterial communities in pig manure (PM) composting with wheat straw. Both TA and TB accelerated the rate of temperature increase during...

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Autores principales:	Likun Sun, Min Long, Jianshu Li, Renfei Wu, Lin Ma, Defu Tang, Yongli Lu, Ziyu Wang
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	microbiological inoculation biochar pig manure composting bacterial communities physicochemical characteristics Microbiology QR1-502
Acceso en línea:	https://doaj.org/article/c47492e3b7764b0c8b2bbb33e6c04af1
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spelling	oai:doaj.org-article:c47492e3b7764b0c8b2bbb33e6c04af12021-11-16T07:37:24ZDifferent Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting1664-302X10.3389/fmicb.2021.746718https://doaj.org/article/c47492e3b7764b0c8b2bbb33e6c04af12021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmicb.2021.746718/fullhttps://doaj.org/toc/1664-302XThis study evaluated the effects of thermophilic microbiological inoculation alone (TA) and integrated with biochar (TB) on the physicochemical characteristics and bacterial communities in pig manure (PM) composting with wheat straw. Both TA and TB accelerated the rate of temperature increase during the PM composting. TA significantly reduced total nitrogen loss by 18.03% as opposed to TB which significantly accelerated total organic carbon degradation by 12.21% compared with the control. Firmicutes, Bacteroidetes, Actinobacteria, and Proteobacteria were the major phyla in composting. Variation of the relative abundance of genera depended on the composting period and treatment. The genera Lactobacillus (26.88–46.71%) and Clostridium_sensu_stricto (9.03–31.69%) occupied a superior position in the temperature rise stage, and Bacillus (30.90–36.19%) was outstanding in the cooling stage. Temperature, total nitrogen (TN), and ammonium nitrogen significantly influenced the bacterial phyla composition. TN, water content, and nitrite nitrogen were the main drivers of the bacterial community genera. Furthermore, our results demonstrated that microbiological consortia were resistant to high temperatures and could fix nitrogen for enriched Pseudomonas; however, when interacted with biochar, total organic carbon (TOC) degradation was accelerated for higher bacterial richness and diversity as well as overrepresented Corynebacterium.Likun SunLikun SunMin LongMin LongJianshu LiRenfei WuLin MaLin MaDefu TangYongli LuZiyu WangFrontiers Media S.A.articlemicrobiological inoculationbiocharpig manure compostingbacterial communitiesphysicochemical characteristicsMicrobiologyQR1-502ENFrontiers in Microbiology, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	microbiological inoculation biochar pig manure composting bacterial communities physicochemical characteristics Microbiology QR1-502
spellingShingle	microbiological inoculation biochar pig manure composting bacterial communities physicochemical characteristics Microbiology QR1-502 Likun Sun Likun Sun Min Long Min Long Jianshu Li Renfei Wu Lin Ma Lin Ma Defu Tang Yongli Lu Ziyu Wang Different Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting
description	This study evaluated the effects of thermophilic microbiological inoculation alone (TA) and integrated with biochar (TB) on the physicochemical characteristics and bacterial communities in pig manure (PM) composting with wheat straw. Both TA and TB accelerated the rate of temperature increase during the PM composting. TA significantly reduced total nitrogen loss by 18.03% as opposed to TB which significantly accelerated total organic carbon degradation by 12.21% compared with the control. Firmicutes, Bacteroidetes, Actinobacteria, and Proteobacteria were the major phyla in composting. Variation of the relative abundance of genera depended on the composting period and treatment. The genera Lactobacillus (26.88–46.71%) and Clostridium_sensu_stricto (9.03–31.69%) occupied a superior position in the temperature rise stage, and Bacillus (30.90–36.19%) was outstanding in the cooling stage. Temperature, total nitrogen (TN), and ammonium nitrogen significantly influenced the bacterial phyla composition. TN, water content, and nitrite nitrogen were the main drivers of the bacterial community genera. Furthermore, our results demonstrated that microbiological consortia were resistant to high temperatures and could fix nitrogen for enriched Pseudomonas; however, when interacted with biochar, total organic carbon (TOC) degradation was accelerated for higher bacterial richness and diversity as well as overrepresented Corynebacterium.
format	article
author	Likun Sun Likun Sun Min Long Min Long Jianshu Li Renfei Wu Lin Ma Lin Ma Defu Tang Yongli Lu Ziyu Wang
author_facet	Likun Sun Likun Sun Min Long Min Long Jianshu Li Renfei Wu Lin Ma Lin Ma Defu Tang Yongli Lu Ziyu Wang
author_sort	Likun Sun
title	Different Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting
title_short	Different Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting
title_full	Different Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting
title_fullStr	Different Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting
title_full_unstemmed	Different Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting
title_sort	different effects of thermophilic microbiological inoculation with and without biochar on physicochemical characteristics and bacterial communities in pig manure composting
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/c47492e3b7764b0c8b2bbb33e6c04af1
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Different Effects of Thermophilic Microbiological Inoculation With and Without Biochar on Physicochemical Characteristics and Bacterial Communities in Pig Manure Composting

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