Efficiency of AB Mix with Liquid Organic Fertilizer on Hydroponic Lettuce (Lactuca sativa L.) Growth

Authors

  • Dasumiati Dasumiati Department of Biology, Faculty of Sciences and Technology, State Islamic University Syarif Hidayatullah Jakarta, Indonesia
  • Fitri Mutiara Dewi Department of Biology, Faculty of Sciences and Technology, State Islamic University Syarif Hidayatullah Jakarta, Indonesia
  • Ardian Khairiah Department of Biology, Faculty of Sciences and Technology, State Islamic University Syarif Hidayatullah Jakarta, Indonesia
  • Junaidi Department of Agribusiness, Faculty of Sciences and Technology, State Islamic University Syarif Hidayatullah Jakarta, Indonesia
  • Adeel Abdulkarim Fadhl Altuhaish Department of Biology, Faculty of Science, University of Aden, Aden, Yemen

DOI:

https://doi.org/10.15575/biodjati.v10i2.45429

Keywords:

hydroponic, lettuce, liquid organic fertiliser (LOF), productivity, wick system

Abstract

The overuse of synthetic AB mix fertilizers in hydroponic systems raises concerns over chemical residues and long-term health risks. Incorporating liquid organic fertilizer (LOF) is a potential strategy to improve nutrient efficiency and enhance crop productivity. This study aimed to evaluate the application of liquid organic fertilizer (LOF) as a sustainable strategy to reduce AB mix dependency while maintaining crop growth and productivity. The experiment was arranged in a Completely Randomized Design (CRD) with five treatments: P1 (100% AB mix/control), P2 (25% LOF + 75% AB mix), P3 (50% LOF + 50% AB mix), P4 (75% LOF + 25% AB mix), and P5 (100% LOF). Plant growth and yield parameters were analyzed using Analysis of Variance (ANOVA) followed by Duncan’s Multiple Range Test (DMRT). The combination of LOF and AB mix significantly affected (P<0.05) plant height, root fresh weight, leaf number, and shoot fresh weight, but had no significant effect (P>0.05) on root length. All combinations of LOF and AB mix, including the 100% AB mix treatment, yielded statistically similar results across all measured parameters. However, the treatment with 75% LOF + 25% AB mix tended to produce the highest values, enhanced flavor, and did not reduce shelf life, whereas the 100% LOF treatment resulted in the lowest performance. These findings highlight the potential of LOF to substantially reduce synthetic input in hydroponic lettuce production, supporting more sustainable and health-conscious cultivation practices.

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Published

30-11-2025

How to Cite

Dasumiati, D., Fitri Mutiara Dewi, Ardian Khairiah, Junaidi, & Adeel Abdulkarim Fadhl Altuhaish. (2025). Efficiency of AB Mix with Liquid Organic Fertilizer on Hydroponic Lettuce (Lactuca sativa L.) Growth. Jurnal Biodjati, 10(2), 293–303. https://doi.org/10.15575/biodjati.v10i2.45429

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Vol. 10 No. 2 (2025): November

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