Enrichment of vermicomposts prepared from cow dung spiked solid textile mill sludge using nitrogen fixing and phosphate solubilizing bacteria

被引：13

作者：

Kaushik P. ^{[1
]}

Yadav Y.K. ^{[1
]}

Dilbaghi N. ^{[1
]}

Garg V.K. ^{[1
]}

机构：

[1] Department of Environmental Science and Engineering, Guru Jambheshwar University of Science and Technology, Hisar

来源：

The Environmentalist | 2008年 / 28卷 / 3期

关键词：

Bacteria; Cow dung; Enrichment; Nitrogen; Phosphorus; Solid textile mill sludge; Vermicompost;

D O I：

10.1007/s10669-007-9141-5

中图分类号：

学科分类号：

摘要：

Textile mill waste can be vermicomposted if it is mixed in the range of 20-30% with cow dung. This article reports the effect of inoculation, of nitrogen fixing Azotobacter chroococcum strain; Azospirillum brasilense strain and phosphate solubilizing Pseudomonas maltophila, on nitrogen and phosphorus content of vermicomposts prepared from cow dung (CD) and cow dung spiked textile mill sludge (CD + STMS). The CD vermicompost was more supportive to the growth and multiplication of all the three bacteria than CD + STMS vermicompost. In Azotobacter chroococcum treated vermicomposts maximum nitrogen content was recorded between 45 and 60 days [CD vermicompost (25.9 ± 0.45 g kg -1) and CD + STMS vermicompost (20.6 ± 0.62 g kg -1)] followed by Azospirillum brasilense inoculation [CD vermicompost (19.4 ± 0.60 g kg-1) and CD + STMS vermicompost (18.6 ± 0.17 g kg-1)]. Phosphorus content in Pseudomonas maltophila inoculated CD vermicompost was 20.8 ± 0.20 g kg-1 and CD + STMS vermicompost was 13.4 ± 0.45 g kg-1 after 75th day of inoculation. © 2007 Springer Science+Business Media, LLC.

引用

页码：283 / 287

页数：4

共 19 条

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