期刊
BIORESOURCE TECHNOLOGY
卷 207, 期 -, 页码 76-84出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.01.046
关键词
Coconut husk; Animal manure; Nutrient recovery; Maturity index
资金
- All India Coordinated Research Project on Integrated Farming Systems, Modipuram
- Indian Council of Agricultural Research
Vermicompost was prepared by five different treatments from relatively resistant coconut husk mixed with either pig slurry or poultry manure. The recovery of vermicompost varied from 35% to 43% and it resulted in significant increase in pH, microbial biomass carbon, macro and micro nutrients concentration. Among the treatments highest relative N (1.6) and K (1.3) recovery were observed for 20% feedstock substitution by pig slurry while poultry manure substitution recorded highest P recovery (2.4). Compost maturity parameters significantly differed and well correlated. The characteristics of different treatments established the maturity indices as C/N 15-20; Cw < 1.8; Cw/Norg < 0.55; Lignin < 10-12; CHA/CFA > 1.5 and HI > 15.0. The manurial value of the coconut husk compost was improved by feedstock substitution with pig slurry (80: 20). The results revealed the technical feasibility of converting coconut husk into valuable compost by feedstock substitution with pig slurry. (C) 2016 Elsevier Ltd. All rights reserved.
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