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    Fecal sludge derived products as fertilizer for lettuce cultivation in urban agriculture

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    Authors
    Pradhan, Surendra K.
    Cofie, Olufunke O.
    Nikiema, Josiane
    Heinonen-Tanski, H.
    Date Issued
    2019-12
    Language
    en
    Type
    Journal Article
    Review status
    Peer Review
    ISI journal
    Accessibility
    Open Access
    Usage rights
    CC-BY-4.0
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    Citation
    Pradhan, Surendra K.; Cofie, Olufunke; Nikiema, Josiane; Heinonen-Tanski, H. 2019. Fecal sludge derived products as fertilizer for lettuce cultivation in urban agriculture. Sustainability, 11(24):7101.
    Permanent link to cite or share this item: https://hdl.handle.net/10568/108078
    DOI: https://doi.org/10.3390/su11247101
    Abstract/Description
    Fecal sludge (FS) contains a significant amount of plant nutrients. FS (treated/untreated) has been used as soil ameliorant in several countries. Use of FS-based compost on lettuce may meet reservations due to possible microbiological contamination. The objectives of this research are: (1) To determine the fertilizer value of different formulations of sawdust and fecal sludge compost (SDFS) pellets, and (2) to compare the effect of these SDFS formulations with poultry manure, commercial compost, mineral fertilizer, and non-fertilization on lettuce cultivation. The SDFS products were made by enriching, and pelletized with ammonium sulphate, mineral-NPK, or ammonium sulphate + muriate of potash + triple superphosphate. Lettuce was cultivated in a greenhouse and an open field. The result showed that the saleable fresh weight lettuce yield obtained from all SDFS pellets with/without enrichments were higher than those obtained from commercial compost, poultry manure, mineral fertilizer, or no fertilizer. Cultivation in the open field gave higher yields than those in the greenhouse. No helminth eggs were detected in composts or lettuces. Some fecal coliforms were detected in lettuces fertilized with almost all fertilizers tested, including NPK and non-fertilized control. A properly treated fecal sludge-based fertilizer can be a sustainable solution for lettuce production, which helps urban and peri-urban agriculture.
    CGIAR Author ORCID iDs
    Olufunke Cofiehttps://orcid.org/0000-0002-2092-4679
    Josiane Nikiemahttps://orcid.org/0000-0001-8802-0564
    Other CGIAR Affiliations
    Water, Land and Ecosystems
    AGROVOC Keywords
    faecal sludge; organic fertilizers; urban agriculture; lettuces; cultivation; fertilization; soil fertility; greenhouse crops; sustainable products; crop; yield; nutrients; waste management; waste treatment; composting; pellets; sludge dewatering; enrichment; hygiene; faecal coliforms; soil chemicophysical properties; poultry manure
    Countries
    Ghana
    Regions
    Africa; Western Africa
    Organizations Affiliated to the Authors
    International Water Management Institute
    Collections
    • IWMI Journal Articles [2536]
    • WLE Journal Articles [922]

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