| Issue |
BIO Web Conf.
Volume 244, 2026
International Conference on Environmental, Food Safety for Human Welfare - “Strengthening the Local-Global Link: Community-based Solutions for Environmental and Food Resilience” (IC-EFSHW 2025)
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|---|---|---|
| Article Number | 01004 | |
| Number of page(s) | 11 | |
| Section | Sustainable Agricultural Production and Biotechnology | |
| DOI | https://doi.org/10.1051/bioconf/202624401004 | |
| Published online | 09 July 2026 | |
Utilization of Green Mussel Shell (Perna viridis) Waste as Organic Fertilizer for Bok Choy (Brassica rapa L.) Plants
1 Department of Agrotechnology, Faculty of Agriculture, Universitas Muhammadiyah Jakarta, Tangerang Selatan, Indonesia 15419
2 Research Center for Genetic Engineering, National Research and Innovation Agency (BRIN), Bogor, Indonesia 16911
* Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract
A green mussel peeler in Mauk Tangerang can produce 207.76 kg of shell waste in one day. Green mussel shell (Perna viridis) contains macronutrients, including P (0.09%), K (0.02%), Ca (52.50%), Mg (0.07%), S (0.03%), and has a pH of 9.4. This study aimed to determine the appropriate dose of green mussel shell (GMS) waste for the growth and production of bok choy. The study was conducted at the experimental field of the Faculty of Agriculture, Universitas Muhammadiyah Jakarta, from August to November 2021. The study used a Randomized Complete Block Design with five treatments and five replications. The treatments were inorganic fertilizer as control (300 kg/ha NPK); 0.4 ton/ha GMS powder + 100 kg/ha urea; 0.8 ton/ha GMS powder + 100 kg/ha urea; 1.2 ton/ha GMS powder + 100 kg/ha urea; and 1.6 ton/ha GMS powder + 100 kg/ha urea. Application of GMS powder increased soil pH from an initial 4.1 to a final range of 6.95–7.15, and bok choy growth and yield were not significantly different from the inorganic fertilizer control (one-way ANOVA, p > 0.05). At the tested doses, GMS powder + urea produced bok choy growth and yield statistically comparable to the recommended inorganic fertilizer; however, longer-term field trials and safety screening are recommended before broad adoption.
© The Authors, published by EDP Sciences, 2026
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