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Risda Arba Ulfa
UIN Sunan Gunung Djati
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Potential of Sewage Sludge from the Integrated Laboratory of UIN Sunan Gunung Djati Bandung as Organic Fertilizers Through Vermicomposting Tri Cahyanto; Risda Arba Ulfa; Salsabila Qonita Kamelia; Musa’adah Musa’adah
Jurnal Biologi Tropis Vol. 22 No. 4 (2022): October - December
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v22i4.4272

Abstract

Sludge is a suspension of liquid waste and microorganisms originating from the Wastewater Treatment Plant (WWTP). The humus and nutrient content of sewage sludges can be used as compost by the vermicomposting mechanism. This study aims to determine the potential of sewage sludge in the Integrated Laboratory of UIN Sunan Gunung Djati Bandung as a raw material for making organic fertilizer through vermicomposting by utilizing the earthworm Eisenia fetida. The media containing a mixture of cow dung (CD) and sludge (S) was divided into four treatments consisting of Control (100% CD), P1 (75% CD + 25% S), P2 (50% CD + 50% S), and P3 (25% CD + 75% S) with the weight of each medium is 500 grams. A total of 20 adult earthworms (5-6 grams/20 heads) were added to each treatment medium for the vermicompost process for 8 weeks. The results showed that the composition of the media in treatment P1 showed the highest effect on the quality of vermicompost with percentages of C (42.62), N (1.85), P (1.21), and K (0.26) based on the SNI 7763-2018 standard. The conclusion of this study is that the sewage sludges from the Integrated Laboratory of UIN Sunan Gunung Djati Bandung can be used as raw material for making organic fertilizer with an optimum media composition of 75% CD + 25% S.
Co-Authors Musa’adah Musa’adah Salsabila Qonita Kamelia Tri Cahyanto