Biology, Medicine, & Natural Product Chemistry
Vol 15, No 1 (2026)

Effectiveness Testing of Liquid Organic Fertilizer from Rhizophora apiculata Extract, NPK, and Manure on the Growth of Water Spinach (Ipomoea reptans Poir)

Faiq Firjatul Falaz (Universitas Lampung)
I Gusti Putu Arya Darmayoga (Universitas Lampung)
Sabina Na’ma Aisa (Universitas Lampung)
Chelsy Aulia Zahra (Universitas Lampung)
Reinhart Yehezkiel William Hutabarat (Universitas Lampung)



Article Info

Publish Date
06 Jul 2026

Abstract

This study evaluates the effectiveness of Liquid Organic Fertilizer (LOF) based on Rhizophora apiculata mangrove extract compared to NPK and goat manure on the growth of water spinach (Ipomoea reptans Poir) in Lampung Province. The experiment was arranged using a Randomized Complete Block Design (RCBD). Laboratory results showed that mangrove LOF contains significant macro-nutrients, specifically Potassium (2,551.83 mg/kg) and Magnesium (1,657.42 mg/kg), and is safe as heavy metals (Pb and Cd) were not detected. During observation, the LOF exhibited dynamic chemical properties with a pH decrease from 5,32 to 4,59 due to microbial decomposition. Analysis of variance indicated that fertilizer treatments had a highly significant effect on plant height (F(2,4) = 569,902). Tukey's HSD test confirmed that mangrove LOF produced the highest plants (23,1 cm), significantly outperforming NPK (20,2 cm) and goat manure (19,07 cm). Mangrove LOF produced superior visual quality with deep green leaves, attributed to Magnesium as the core of chlorophyll. Thus, R. apiculata-based LOF is an effective and sustainable alternative for vegetable production.

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Journal Info

Abbrev

BIOMEDICH

Publisher

Subject

Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health

Description

BIOLOGY, MEDICINE, & NATURAL PRODUCT CHEMISTRY, this journal is published to attract and disseminate innovative and expert findings in the fields of plant, animal, and microorganism secondary metabolite, and also the effect of natural product on biological system as a reference source for ...