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Abstract
This community engagement initiative aimed to address organic waste management issues at the Angkringan Kampung Belimbing (AKB) restaurant by introducing innovations in liquid organic fertilizer (LOF) production and environmental education. The approach included initial observation, awareness sessions, hands-on LOF training using kitchen waste and Effective Microorganisms 4 (EM4), and evaluation through application on water spinach and shallot plants. Results indicated an increase in community understanding of circular economy principles and sustainable waste management. The LOF produced proved effective in enhancing plant growth and opened opportunities for eco-friendly local entrepreneurship. This program demonstrates that combining educational and practical strategies can significantly strengthen community awareness and capacity in independently managing organic waste in a sustainable manner.
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References
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- Czekała, W., Drozdowski, J., & Łabiak, P. (2023). Modern Technologies for Waste Management: A Review. Applied Sciences, 13(15), 8847. https://doi.org/10.3390/app13158847
- Haryanta, D., Sa’adah, T. T., Thohiron, M., & Rezeki, F. S. (2023). Utilization of urban waste as liquid organic fertilizer for vegetable crops in urban farming system. Plant Science Today. https://doi.org/10.14719/pst.2028
- Lizundia, E., Luzi, F., & Puglia, D. (2022). Organic waste valorisation towards circular and sustainable biocomposites. Green Chemistry, 24(14), 5429–5459. https://doi.org/10.1039/D2GC01668K
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- Puglia, D., Pezzolla, D., Gigliotti, G., Torre, L., Bartucca, M. L., & Del Buono, D. (2021). The Opportunity of Valorizing Agricultural Waste, Through Its Conversion into Biostimulants, Biofertilizers, and Biopolymers. Sustainability, 13(5), 2710. https://doi.org/10.3390/su13052710
- Szulc, W., Rutkowska, B., Gawroński, S., & Wszelaczyńska, E. (2021). Possibilities of Using Organic Waste after Biological and Physical Processing—An Overview. Processes, 9(9), 1501. https://doi.org/10.3390/pr9091501
- Voss, M., Valle, C., Calcio Gaudino, E., Tabasso, S., Forte, C., & Cravotto, G. (2024). Unlocking the Potential of Agrifood Waste for Sustainable Innovation in Agriculture. Recycling, 9(2), 25. https://doi.org/10.3390/recycling9020025
- Widyabudiningsih, D., Rinaldi, K., Firdaus, F. M., Fauzi, R. R., & Hulupi, M. (2025). EM4 Effect on Macronutrients and Microbial Growth in Liquid Organic Fertilizer from Cibogo Market Waste. Fluida, 18(1), 23–30. https://doi.org/10.35313/fluida.v18i1.6050
- Zhou, Y., Xiao, R., Klammsteiner, T., Kong, X., Yan, B., Mihai, F.-C., Liu, T., Zhang, Z., & Kumar Awasthi, M. (2022). Recent trends and advances in composting and vermicomposting technologies: A review. Bioresource Technology, 360, 127591. https://doi.org/10.1016/j.biortech.2022.127591
References
Álvarez Salas, M., Sica, P., Rydgård, M., Sitzmann, T. J., Nyang’au, J. O., El Mahdi, J., Moshkin, E., de Castro e Silva, H. L., Chrysanthopoulos, S., Kopp, C., Wali, K., Zireeni, Y., Ural-Janssen, A., El Hajj Hassan, S., Kebalo, L. F., Chadwick, D., & Jensen, L. S. (2024). Current challenges on the widespread adoption of new bio-based fertilizers: insights to move forward toward more circular food systems. Frontiers in Sustainable Food Systems, 8. https://doi.org/10.3389/fsufs.2024.1386680
Amran, M. A., Palaniveloo, K., Fauzi, R., Satar, N. M., Mohidin, T. B. M., Mohan, G., Razak, S. A., Arunasalam, M., Nagappan, T., & Sathiya Seelan, J. S. (2021). Value-Added Metabolites from Agricultural Waste and Application of Green Extraction Techniques. Sustainability, 13(20), 11432. https://doi.org/10.3390/su132011432
Czekała, W., Drozdowski, J., & Łabiak, P. (2023). Modern Technologies for Waste Management: A Review. Applied Sciences, 13(15), 8847. https://doi.org/10.3390/app13158847
Haryanta, D., Sa’adah, T. T., Thohiron, M., & Rezeki, F. S. (2023). Utilization of urban waste as liquid organic fertilizer for vegetable crops in urban farming system. Plant Science Today. https://doi.org/10.14719/pst.2028
Lizundia, E., Luzi, F., & Puglia, D. (2022). Organic waste valorisation towards circular and sustainable biocomposites. Green Chemistry, 24(14), 5429–5459. https://doi.org/10.1039/D2GC01668K
Manea, E. E., Bumbac, C., Dinu, L. R., Bumbac, M., & Nicolescu, C. M. (2024). Composting as a Sustainable Solution for Organic Solid Waste Management: Current Practices and Potential Improvements. Sustainability, 16(15), 6329. https://doi.org/10.3390/su16156329
Pinela, J., Añibarro-Ortega, M., & Barros, L. (2024). Food Waste Biotransformation into Food Ingredients: A Brief Overview of Challenges and Opportunities. Foods, 13(21), 3389. https://doi.org/10.3390/foods13213389
Pradiksa, O. I., Setyati, W. A., & Widianingsih, W. (2022). Pengaruh Bioaktivator EM4 Terhadap Proses Degradasi Pupuk Organik Cair Cymodocea serrulata. Journal of Marine Research, 11(2), 136–144. https://doi.org/10.14710/jmr.v11i2.33771
Puglia, D., Pezzolla, D., Gigliotti, G., Torre, L., Bartucca, M. L., & Del Buono, D. (2021). The Opportunity of Valorizing Agricultural Waste, Through Its Conversion into Biostimulants, Biofertilizers, and Biopolymers. Sustainability, 13(5), 2710. https://doi.org/10.3390/su13052710
Szulc, W., Rutkowska, B., Gawroński, S., & Wszelaczyńska, E. (2021). Possibilities of Using Organic Waste after Biological and Physical Processing—An Overview. Processes, 9(9), 1501. https://doi.org/10.3390/pr9091501
Voss, M., Valle, C., Calcio Gaudino, E., Tabasso, S., Forte, C., & Cravotto, G. (2024). Unlocking the Potential of Agrifood Waste for Sustainable Innovation in Agriculture. Recycling, 9(2), 25. https://doi.org/10.3390/recycling9020025
Widyabudiningsih, D., Rinaldi, K., Firdaus, F. M., Fauzi, R. R., & Hulupi, M. (2025). EM4 Effect on Macronutrients and Microbial Growth in Liquid Organic Fertilizer from Cibogo Market Waste. Fluida, 18(1), 23–30. https://doi.org/10.35313/fluida.v18i1.6050
Zhou, Y., Xiao, R., Klammsteiner, T., Kong, X., Yan, B., Mihai, F.-C., Liu, T., Zhang, Z., & Kumar Awasthi, M. (2022). Recent trends and advances in composting and vermicomposting technologies: A review. Bioresource Technology, 360, 127591. https://doi.org/10.1016/j.biortech.2022.127591