Proceeding of International Conference on Biology Education, Natural Science, and Technology
2026: Proceeding of International Conference on Biology Education, Natural Science, and Technology

The Effect of Liquid Organic Fertilizer (Fermentation of Anchovy Waste) to Growth of Pakcoy (Brassica rapa L.)

Dian Pirma Natasari Purba (Universitas Kristen Indonesia)
Riska Septia Wahyuningtyas (Universitas Kristen Indonesia)
Sunarto Sunarto (Universitas Kristen Indonesia)
Marina Silalahi (Universitas Kristen Indonesia)



Article Info

Publish Date
23 Sep 2026

Abstract

This study aimed to analyze the effect of liquid organic fertilizer derived from Indian anchovy waste (Stolephorus indicus) on the growth of pakcoy (Brassica rapa L.) and to determine the most effective fertilizer concentration. The study employed an experimental method using a Completely Randomized Design with six treatments and four replications, consisting of treatments without fertilizer, positive control (NPK), and liquid organic fertilizer with concentrations of 5%, 10%, 15%, and 20%. The observed parameters included plant height, number of leaves, stem diameter, and wet weight. Data were analyzed using One Way ANOVA followed by Duncan’s multiple range test. The results showed that liquid organic fertilizer derived from Indian anchovy waste significantly affected plant height and stem diameter, but did no significant effect on leaf number and wet weight. The 20% fertilizer concentration produced the best growth response with an average plant height of 250.50 mm and stem diameter of 68.00 mm, and was not significantly different from the positive control (NPK). These findings indicated that liquid organic fertilizer derived from Indian anchovy waste had the potential to serve an environmentally friendly alternative fertilizer to support the growth of pakcoy.

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Journal Info

Abbrev

incobest

Publisher

Subject

Biochemistry, Genetics & Molecular Biology Chemistry Education Physics

Description

International Conference on Biology Education, Natural Science, and Technology is a prestigious global conference that brings together researchers, educators, practitioners, and policymakers to facilitate the exchange of ideas and the sharing of best practices in biology education, natural science, ...