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猪粪堆肥化处理的物质变化及腐熟度评价

黄国锋,吴启堂,孟庆强,黄焕忠

黄国锋,吴启堂,孟庆强,黄焕忠. 猪粪堆肥化处理的物质变化及腐熟度评价[J]. 华南农业大学学报, 2002, 23(3): 1-4. DOI: 10.7671/j.issn.1001-411X.2002.03.001
引用本文: 黄国锋,吴启堂,孟庆强,黄焕忠. 猪粪堆肥化处理的物质变化及腐熟度评价[J]. 华南农业大学学报, 2002, 23(3): 1-4. DOI: 10.7671/j.issn.1001-411X.2002.03.001
HUANG Guo feng 1,2,WU Qi tang 2,MENG Qing qiang 2,WONG Huan zhong 3. Substance Changes and Maturity Evaluation During Pig Manure Composting[J]. Journal of South China Agricultural University, 2002, 23(3): 1-4. DOI: 10.7671/j.issn.1001-411X.2002.03.001
Citation: HUANG Guo feng 1,2,WU Qi tang 2,MENG Qing qiang 2,WONG Huan zhong 3. Substance Changes and Maturity Evaluation During Pig Manure Composting[J]. Journal of South China Agricultural University, 2002, 23(3): 1-4. DOI: 10.7671/j.issn.1001-411X.2002.03.001

猪粪堆肥化处理的物质变化及腐熟度评价

基金项目: 美国Rockefeller基金资助项目

Substance Changes and Maturity Evaluation During Pig Manure Composting

  • 摘要: 研究了初始C/N(mC/mN)分别为29和16的2种不同条件对猪粪堆肥化处理的物质变化和腐熟度的影响,结果表明:水溶性有机C/N、固相C/N、水溶性有机碳及水溶性NH4^ -N浓度均随着堆肥化的进行而降低。种子发芽指数的评价结果表明:初始C/N为29时,猪粪经过49d的堆肥后达到成熟,而C/N为16的处理则需要63d以上才能达到腐熟要求。过高的盐分含量是导致低C/N条件下堆肥产品植物毒性较高的原因之一。考虑到堆肥腐熟度受多方面化学因素的影响,建议以种子发芽指数作为有机固体废物堆肥腐熟度的评价指标。
    Abstract: The physical-chemical changes and maturity evaluation during pig manure composting at initial C/N ratio of 29 and 16 respectively were studied in this research. The results showed that the content of soluble organic C/N ratio, solid C/N ratio, dissolved organic carbon (DOC), and soluble NH + 4-N decreased after composting, which reflected the maturation process during pig manure composting. The seed germination index (GI) showed that pig manure compost at initial C/N ratio of 29 reached mature after composting for 49 days, while the compost at initial C/N ratio of 16 needed longer time than 63 days for further composting. In this study, the over-high content of salt in the compost at initial C/N ratio of 16 might contribute to the stronger phytotoxicity. Maturity of compost was influenced by lots of factors, so using a single chemical index for its evaluation was unilateral and unscientific. The seed germination index is the recommended index for maturity evaluation of solid organic waste compost.
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出版历程
  • 修回日期:  2001-04-22
  • 刊出日期:  2002-07-09

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