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All Journal Bioma : Jurnal Ilmiah Biologi
Hesekiel Mitra Insan
Department of Bioprocess Engineering, Faculty of Biotechnology, Institut Teknologi Del
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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MAKING LIQUID ORGANIC FERTILIZER FROM BLACK SOLDIER FLY LARVA LEACHATE USING A VARIETY OF CANTEEN WASTE Adrianto Prihartantyo; Hesekiel Mitra Insan; Nina Roberta Turnip; Astiti Aditia
BIOMA : Jurnal Ilmiah Biologi Vol. 15 No. 2 (2026): October 2026
Publisher : Prodi Pendidikan Biologi, FPMIPATI, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v15i2.3739

Abstract

This research aims to develop a POC using BSF larvae leachate and bioactivators as a preliminary study for producing POC using a fermenter in the form of a biodigester. The POC production process involves inserting BSF waste larvae (kasgot) and water into the biodigester at a 1:1 ratio and adding the EM-4 bioactivator; in other variations, only local microorganisms found in kasgot are used. BSF larvae were fed in two variations: vegetable waste and IT Del canteen mixed waste. POC was produced in a biodigester for 28 days. This research analysed pH, temperature, and NPK levels. The results show that POC meeting SNI quality standards was obtained from vegetable waste samples, with a final pH of 5.02 and N content of 0.2315%, P of 0.4031%, and K of 0.4929%. The bioactivator used during fermentation of BSF larval leachate influenced the quality of the resulting liquid organic fertiliser. The EM-4 + molasses + leachate treatment yielded the best quality, achieving the highest total NPK content (0.66%) after 15 days of fermentation. The best treatment for plant growth was the liquid organic fertiliser produced after 12 days of EM-4 fermentation, which produced an average plant height of 11.9 cm.
Co-Authors Adrianto Prihartantyo Astiti Aditia Nina Roberta Turnip