Effects of Microbial Inoculant on Physical and Chemical Properties in Pig Manure Composting

IF 2 4区 农林科学 Q3 ECOLOGY
Pengxiang Xu, Ji Li
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引用次数: 13

Abstract

ABSTRACT Effects of one commercial microbial inoculant (named VT microbial inoculant) on the composting of pig manure were studied. Two treatment piles were prepared in this study, in which one pile was inoculated with VT and another pile without VT. The results indicated that inoculation could accelerate the temperature rising at the start of composting. Based on the chemical parameters, the VT treatment showed higher N, P2O5, K2O, and macronutrient (NPK) content than the CK treatment. The statistical analysis showed that the P2O5, K2O, and NPK content had a significant difference (P < 0.05) between VT and CK treatments at the end of composting, which showed that VT inoculant accelerated the transformation of macronutrient in the end compost product. The changes of total organic carbon indicated that VT additive could accelerate the decomposition of organic carbon, which had a significant difference (P = 0.023) compared with CK. At the end of the composting, the germination index value of VT treatment (80%) was higher than the control (60%). These results suggested that the inoculation of VT microbial agent was a feasible strategy to convert animal wastes into compost efficiently.
微生物接种剂对猪粪堆肥理化性质的影响
研究了一种商品化微生物接种剂VT对猪粪堆肥的影响。本研究制备了两个处理堆,其中一个堆接种了VT,另一个堆没有接种VT。结果表明,接种可以加速堆肥开始时的温度上升。根据化学参数,VT处理的N、P2O5、K2O和常量营养素(NPK)含量高于CK处理。统计分析表明,在堆肥结束时,VT和CK处理的P2O5、K2O和NPK含量有显著差异(P<0.05),这表明VT接种剂加速了最终堆肥产品中大量营养素的转化。总有机碳的变化表明,VT添加剂能加速有机碳的分解,与对照相比有显著差异(P=0.023)。在堆肥结束时,VT处理的发芽指数(80%)高于对照(60%)。这些结果表明,接种VT微生物剂是一种有效地将动物粪便转化为堆肥的可行策略。
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来源期刊
Compost Science & Utilization
Compost Science & Utilization 农林科学-生态学
CiteScore
4.10
自引率
0.00%
发文量
0
审稿时长
>36 weeks
期刊介绍: 4 issues per year Compost Science & Utilization is currently abstracted/indexed in: CABI Agriculture & Environment Abstracts, CSA Biotechnology and Environmental Engineering Abstracts, EBSCOhost Abstracts, Elsevier Compendex and GEOBASE Abstracts, PubMed, ProQuest Science Abstracts, and Thomson Reuters Biological Abstracts and Science Citation Index
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