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  • 标题:Valorization of cow manures and poultry manure in composting: Comparative studies
  • 本地全文:下载
  • 作者:N. Benejar ; N. Benejar ; S. Kholtei
  • 期刊名称:Journal of Materials and Environmental Science
  • 印刷版ISSN:2028-2508
  • 出版年度:2018
  • 卷号:9
  • 期号:10
  • 页码:2926-2931
  • 出版社:University of Mohammed Premier Oujda
  • 摘要:A successful use of compost for agronomic value and improvement of physicalproperties and fertility of soil requires monitoring of compost quality. For this purpose,two types of composts were prepared from cow manures and poultry manures and wereanalyzed for their physic-chemical characteristics. Reference analyses include thedetermination of pH, electrical conductivity, temperature, total organic carbon (TOC),total nitrogen (TN), ammonium (NH4 ), nitrates (NO3-), available phosphorus (P2O5).The preliminary results of compost analyses have shown a good evolution of thetemperature during the process of composting, an alkali pH, a reduction of the TOC andthe C/N ratio. Also the NH4 composition was less than NO3- with NH4 /NO3- ratio <1 inthe final products. It can be concluded that the final products showed acceptablematurity levels and can be used for agricultural applications.
  • 关键词:Composting; Cow manure; Poultry manure; C/N; NH4; /NO3
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