Vermicomposting of domestic and municipal sewage sludge with earthworm (Eisenia fetida)

Based on earthworm biomass and population data and various vermicompost characteristics, incubation experiments revealed an optimum mixture ratio of 50% AÇ + 50% AG and an optimum vermicomposting duration of 90 days

📌 3 Key Takeaways

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Objective & Hypothesis:In this research, various vermicomposts were prepared by composting domestic and municipal sewage sludge (AÇ), board paper mill sludge and livestock manure (AG) with Eisenia fetida earthworms.

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Key Findings & Data:Fort his purpose; 90 days incubation experiment were set up and variation of organic C, N, C/N, pH and EC of vermicompost samples were monitored during the incubation period.

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Conclusion & Impact:Based on earthworm biomass and population data and various vermicompost characteristics, incubation experiments revealed an optimum mixture ratio of 50% AÇ + 50% AG and an optimum vermicomposting duration of 90 days

🔬Design:Research Article

📍Scope:Comprehensive Sample

⚙️Variables:Vermikompost · arıtma çamuru · kağıt atığı çamuru

Abstract

In this research, various vermicomposts were prepared by composting domestic and municipal sewage sludge (AÇ), board paper mill sludge and livestock manure (AG) with Eisenia fetida earthworms. Fort his purpose; 90 days incubation experiment were set up and variation of organic C, N, C/N, pH and EC of vermicompost samples were monitored during the incubation period. As a results of incubation treatment; earthworms could not live in all mixtures of paper mill sludge and contains more than 50% of sewage. In all periods of incubation, total N and pH increased whereas decreased organic C, C/N ratio and EC with the increasing amounts of AÇ. Based on earthworm biomass and population data and various vermicompost characteristics, incubation experiments revealed an optimum mixture ratio of 50% AÇ + 50% AG and an optimum vermicomposting duration of 90 days

Özet

Bu çalışmada; evsel nitelikli arıtma çamuru olan Yozgat Atıksu Arıtma Tesisi çamuru ile endüstriyel nitelikli Ankara Atıksu Arıtma Tesisi çamurunun karton fabrikası atık çamuru (KA) ve ahır gübresi (AG) ile farklı oranlarda karışımlarının Eisenia fetida türü solucanlarla kompostlanması amaçlanmıştır. Bu amaçla 90 günlük inkübasyon denemesi kurulmuş, inkübasyon süresi boyunca karışımların C, N, C/N, pH ve EC değişimleri izlenmiştir. Ayrıca deneme sonunda saksılarda bulunan solucan sayı ve biyokütleleri de belirlenmiştir. İnkübasyon denemesi sonuçlarına göre, kağıt atığının bulunduğu bütün karışımlar ile içerisinde %50’den fazla arıtma çamuru (AÇ) bulunan karışımlarda solucanlar yaşayamamıştır. İnkübasyonun tüm dönemlerinde karışımdaki AÇ’nin miktarı arttıkça (maksimum %50 AÇ) toplam azot ve pH’nın arttığı buna karşın, organik C, C/N oranı ile EC’nin düştüğü belirlenmiştir. Solucan biyokütlesi ve syıları ile vermikompostların özelliklerine göre optimum karışım oranı %50 AÇ + %50 AG ve optimum vermikompostlanma süresi ise 90 gündür

Keywords

Vermikompost arıtma çamuru kağıt atığı çamuru Eisenia fetida ahır gübresi Vermicompost sewage sludge paper mill sludge livestock manure

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Cite This Article

NAMLI, A., AKÇA, O., PERÇİMLİ, C., BEŞE, S., GÜR, Ş., ARIKAN, H., ESER, İ., İZCİ, E., GÜMÜŞAY, E., TUNCA, G., KHÁLAU, İ. J., MUTAFÇILAR, Z., DEMİRTAŞ, Ö. (2014). Vermicomposting of domestic and municipal sewage sludge with earthworm (Eisenia fetida). Toprak Bilimi ve Bitki Besleme Dergisi, Cilt: 2 - Sayı: 2, 46–56. https://ajindex.com/articles/704393

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