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All Journal Biotika: Jurnal Ilmiah Biologi Berkala Ilmiah Pendidikan Biologi (BioEdu) LenteraBio BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Pendidikan Biologi Indonesia Jurnal Wiyata : Penelitian Sains dan Kesehatan Jurnal Biologi Tropis Biosaintifika: Journal of Biology & Biology Education Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Abdi: Media Pengabdian Kepada Masyarakat Journal of Community Service and Empowerment J-SES : Journal of Science, Education, and Studies
Herlina Fitrihidajati
Universitas Negeri Surabaya
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Education Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Public Health Social Sciences Veterinary Other

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Addition of Eco Enzyme as a Biostimulant for Liquid Organic Fertilizer for the Growth of Curly Lettuce (Lactuca sativa L.) in the Kampoeng Pintar Oase Tembok Gede Vertical Garden Mulyono, Azzahra Imairel Putri Diyati; Fitrihidajati, Herlina; Candra, Adi; Nurcholis, Nurcholis; Aseyan, Aseyan
Journal of Community Service and Empowerment Vol. 7 No. 1 (2026): April
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jcse.v7i1.43565

Abstract

The use of liquid organic fertilizer (LOF) from garlic and onion skin waste has the potential to be an environmentally friendly alternative to chemical fertilizer AB Mix in the cultivation of curly lettuce (Lactuca sativa L.) in a vertical garden system. This research aims to describe the quality of LOF with the addition of Eco Enzyme, analyze the effect of various LOF concentrations on the height, number, biomass, and morphology of curly lettuce, and describe the impact of implementing LOF application that can support SDG 2.2 food security indicators. The research was conducted from September to November 2025 at the Oase Tembok Gede Smart Village in Surabaya. The research method uses 2 stages: LOF prototype creation and nutrient content testing at BSPJI Surabaya, referring to the Minister of Agriculture Decree No. 261/KPTS/SR.310/M/4/2019. Additionally, LOF implementation on curly lettuce plants in a vertical garden with parameters of height, number, biomass, and morphology of curly lettuce. The data analysis technique used was descriptive quantitative analysis, followed by a Completely Randomized Design (CRD) with four treatments (P0: budikdamber water control, P1: 40 mL, P2: 50 mL, P3: 60 mL) and three replications. The quality test results showed a K₂O content of 2.03% meeting the minimum standards of the Ministry of Agriculture Decree No. 261/KPTS/SR.310/M/4/2019. ANOVA analysis showed no significant difference between treatments (p > 0.05), but treatment P3 (60 ml) produced the best growth with a height of 11 cm, 7 leaves, a fresh weight of 11 grams, and fresh green leaves. Although the nutrient quality of LOF is not yet optimal, the growth of curly lettuce remains good because it is supported by suitable environmental conditions. This research supports SDG indicator 2.2 (Zero Hunger) thru the utilization of household waste for local food security based on urban agriculture.
Utilization of Lemna minor as an Ammonia Phytoremediator at Kampoeng Pintar Oase Surabaya Nursheila, Yasmine Artika; Fitrihidajati, Herlina; Candra, Adi; Nurcholis, Nurcholis; Aseyan, Aseyan
Journal of Community Service and Empowerment Vol. 7 No. 1 (2026): April
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jcse.v7i1.43566

Abstract

Increasing food demand and high land use activities have led to the conversion of fisheries and agricultural areas. Kampoeng Pintar Oase Surabaya uses budikdamber (fish farming in buckets) as an alternative solution for small areas. Budikdamber produce ammonia from food waste and fish feces which can reduce water quality requiring environmentally friendly ammonia management solutions. This study aims to describe the effect of Lemna minor on ammonia reduction in budikdamber systems, the lowest ammonia level achieved after Lemna minor addition, the impact of ammonia reduction on catfish growth, and to assess the application of Lemna minor in budikdamber systems in supporting the achievement of SDG 2. The research was conducted in two stages. The first stage involved the creation of a pond culture medium using the observation method. The second stage was experimental, involving the implementation of pond culture for 21 days using two treatments, namely a control (without Lemna minor) and a treatment with the addition of Lemna minor, each of which was repeated three times. The parameters measured included ammonia levels, total nitrogen, pH, temperature, and DO. Data analysis was performed descriptively and quantitatively by testing ammonia and total nitrogen levels at BSPJI Surabaya based on the SNI 6484.4:2014 water quality standards. The results showed that the addition of Lemna minor reduced ammonia levels lower than the control treatment. The lowest ammonia level achieved was 0.72 mg/L on the 7th day. The best catfish growth was observed in the Lemna minor treatment with an average weight of 46 grams. Lemna minor is effective as an ammonia phytoremediator and supports fish growth in fish farming in buckets, as well as supporting the achievement of SDG 2 “Zero Hunger” through strengthening sustainable food security.
Carbon Stock Estimation in Tanjung Plants (Mimusops elengi L.) in the Campus Forest of Surabaya State University Rohmah, Daniyah Fathinur; Rachmadiarti, Fida; Fitrihidajati, Herlina; Andriani, Betty
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11647

Abstract

Forests have a role in the global carbon cycle by absorbing and storing carbon in the environment. One of the plants in the campus forest of Surabaya State University that can absorb carbon and store it in the form of biomass is the tanjung plant (Mimusops elengi L.). This study aims to estimate the carbon stock stored in tanjung plants (Mimusops elengi L.) in the campus forest of Surabaya State University which was carried out from September to December 2024. The research method uses a non-destructive method. The parameters measured in this study include stem diameter, circumference, height, chlorophyll content, leaf surface area and environmental parameters that support the growth of Mimusops elengi. The data collection technique was carried out by purposive sampling, at three stations with a total of 50 individuals. Statistical analysis of the data used the Pearson correlation test. Mimusops elengi was able to absorb carbon respectively by 106.03 kg; 43.96 kg and 31.89 kg. Having a biomass respectively, namely 225.08 kg/tree; 91.01 kg/tree and 67.87 kg/tree. The absorption values were 389.14 tons C/ha; 161.34 tons C/ha and 117.0 tons C/ha, respectively. The results of statistical tests on height, circumference and diameter had a positive correlation with carbon stock. Meanwhile, chlorophyll content and leaf surface area were negatively correlated with carbon stock. These results indicate that tanjung plants have significant potential in absorbing carbon in the campus forest of Surabaya State University, thus playing a role in reducing greenhouse gas emissions in the atmosphere.
Implementation of Hands on Minds on Integrated Electronic Student Worksheets on Environmental Change Material to Improve Critical Thinking Skills of 10th Grade Students at Nation Star Academy Surabaya Aulia Izzaty Karima; Herlina Fitrihidajati
Berkala Ilmiah Pendidikan Biologi (BioEdu) Vol. 15 No. 2 (2026)
Publisher : Program Studi Pendidikan Biologi, FMIPA, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/bioedu.v15n2.p501-509

Abstract

The current curriculum requires students to not only master knowledge, but also be able to solve real-world problems through the development of 21st-century skills, particularly the 4Cs (Critical Thinking, Communication, Collaboration, and Creativity). Indonesian students' critical thinking skills are still relatively low, according to the 2022 Programme for International Student Assessment (PISA) results. Therefore, there is a need for innovative learning media that can optimally train critical thinking skills. This study aims to describe learning completeness, consistency in the application of the integrated Hands On Minds On E-LKPD, and student responses to its use in the learning process. This study uses a quantitative descriptive approach with a Pre-Experimental One Group Pre-test and Post-test Design method. The research subjects involved 50 tenth-grade students from two classes at Nation Star Academy (NSA) Surabaya who use the Cambridge curriculum. The research was conducted in October 2025 during three meetings. The research instruments were pre-tests and post-tests to measure learning completeness and improvement, as well as student response questionnaires. The average post-test score reached 94% above the minimum passing grade with an N-Gain value of 0.88, which is categorized as high. Student responses to the use of E-LKPD were very positive at 92%. Thus, it can be concluded that the implementation of E-LKPD integrated with Hands On Minds On, carried out in accordance with the Problem Based Learning syntax, is effective in improving students' critical thinking skills.
Application of Microsoft Sway–Based Digital Learning Media on Environmental Change Material to Enhance Scientific Literacy Skills of Grade 10 Students of Sampoerna Academy Surabaya Aruna Nur Setiawan; Herlina Fitrihidajati
Berkala Ilmiah Pendidikan Biologi (BioEdu) Vol. 15 No. 2 (2026)
Publisher : Program Studi Pendidikan Biologi, FMIPA, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/bioedu.v15n2.p510-519

Abstract

The current curriculum requires students to possess skills to solve real-world problems through learning. Scientific literacy is defined as students’ ability to solve problems using reliable information from research. This study was conducted using an international curriculum, namely the Cambridge curriculum, which is implemented at Sampoerna Academy Surabaya and emphasizes the development of students’ scientific literacy skills. Therefore, this study aimed to describe the consistency of using Microsoft Sway–based learning media in achieving learning mastery, consistency in improving learning outcomes, and students’ responses to the use of Microsoft Sway–based learning media on environmental change material in relation to scientific literacy skills. The study employed a pre-experimental one-group pretest–posttest design. The research sample consisted of 20 tenth-grade students at Sampoerna Academy Surabaya International High School. The instruments used included test questions to measure learning mastery with a minimum mastery standard of 50% and improvement in scores, as well as a response questionnaire to assess students’ responses. The collected data were analyzed using descriptive quantitative methods with simple statistics, including averages and percentages. The results showed that all students achieved learning mastery, with an average post-test score of 92.19%. The N-Gain analysis indicated an average score of 0.77, categorized as high improvement. Questionnaire results showed positive student responses with an average of 95.71%. Based on these findings, it can be concluded that Microsoft Sway–based learning media consistently improve students’ scientific literacy skills in environmental change material.
Co-Authors Achmad Nur Syamsi Adi Candra, Adi Agustina, Dwi Wahyu Aini, Niswatul Alma Dwi Rahmawati Amelia, Awanda Anam, Muhammad Sayyidul Andriani, Betty Anggrawina, Arida Ajeng Wahyu Ariq, Muhamad Iqbal Aruna Nur Setiawan Aseyan, Aseyan Aulia Izzaty Karima Awanda Amelia BAYU SANDIKA Bayu Sandika Choirunnisakh, Putri Suci Citra Nuzulla Hariningwang Deswita Ardyagarani Durrotun Nafisah Dwi Anggorowati Rahayu Dwi Wahyu Agustina ENDANG SUSANTINI Endang Susantini Ervan Johan W., Ervan Ervan Johan Wicaksana Eva Kristinawati Putri Evie Ratnasari Evie Ratnasari Evie Ratnasari FAUZIYAH, FARISKA Fida Rachmadiarti GATOT SOEPARNO Gatot Soeparno Ginting, Gilbert Pengindonta Hanifah, Nabela Nur Hariningwang, Citra Nuzulla Haryono, Tjipto Ilmiah, Masrurotul Inayah Fitri Intan Dwi Puspitasari Iq Wulandari Isnawati - Isnawati Isnawati Isnawati Isnawati Kurniawati, Devi Kusuma, Adjeng Mayura Kusumawati, Retno Indah Lestari, Gadis Suci M. Rifqi Eka Wardhani Milatti, Selli Ihza Mirsa Risky Virdaussya Muhamad Iqbal Ariq Muhammad Izhar Mahendra Surya Nugraha Mulyono, Azzahra Imairel Putri Diyati MUSLIMIN IBRAHIM Musyarofah, Maulidatul Nabila Azahra Nindya Pertiwi Nissa' Nur Fitriani Niswatul Aini Novita Kartika Indah NOVITA KARTIKA INDAH Nugraha, Muhammad Izhar Mahendra Surya Nur Ana Nur Cholis Nurcholis Nurcholis Nursheila, Yasmine Artika Permadi, Mochamad Sulung Didi Pertiwi, Nindya Prihatinningtyas, Tri Meiriana Putri Suci Choirunnisakh Putut Rakhmad Purnama Qorie Rafi Azaly Rafio Rizkyta Putra Reni Ambarwati Reni Ambarwati Rizka, Asri Nur Rohmah, Daniyah Fathinur Rosiana Dwi Rukmana Rosidah Rosidah Rosidah Rosidah Rusmaindah, Erva Sukma Sabrina Jenry Fitria Sugiyono Sugiyono Sunu Kuntjoro Syamsi, Achmad Nur Syarifah, Fitriatus Tarzan Purnomo TARZAN PURNOMO Triwahyudi, Hery Ulfi Faizah ULFIANA, VETI Uswatun Hasanah Uswatun Hasanah Vidyawati, Dwi Savitri Virdaussya, Mirsa Risky Wardhani, M. Rifqi Eka Wardhani, Marella Kusuma Winarsih, Winarsih Wisanti Wisanti Wulandari, Insiatul Fa'anit Wulandari, Iq Yuliani, Yuliani YUNI SRI RAHAYU Zuhrotun Nisa, Widyana