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All Journal Bioscience Bioeducation Journal Jurnal Produksi Tanaman Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biologi Tropis Jurnal Pertanian Agros Indonesian Food Science and TechnologyJournal JURNAL PENDIDIKAN TAMBUSAI Eksakta : Berkala Ilmiah Bidang MIPA Menara Ilmu Atrium Pendidikan Biologi Serambi Biologi Jurnal Agroplasma Pelita Eksakta Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat Community Development Journal: Jurnal Pengabdian Masyarakat Science and Environmental Journals for Postgraduate TROPICAL GENETICS Journal of Applied Agricultural Science and Technology MASALIQ: Jurnal Pendidikan dan Sains Al-DYAS : Jurnal Inovasi dan Pengabdian kepada Masyarakat Tropical Genetics Symbiotic: Journal of Biological Education and Science Jurnal Serambi Biologi Jurnal Sains dan Kesehatan Journal of Biotropical Research and Nature Technology
Fevria, Resti
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Application of pH and TDS Sensors to Optimize the Growth of Green Lettuce (Lactuca sativa L.) in a Hydroponic System Aini, Quratul; Fevria, Resti; Kardiman, Reki; Putri, Irma Leilani Eka
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
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.v25i4b.10764

Abstract

Green lettuce (Lactuca sativa L.) is one of the leafy vegetables that is widely cultivated because it has a relatively short harvest time and high nutritional value, especially as a source of fiber, vitamin A, and vitamin K. This study aims to improve the growth of green lettuce using a DFT (Deep Flow Tecnique) hydroponic system equipped with IoT-based pH and TDS sensors. This study used a completely randomized design (CRD) with two treatments, namely P1 (50% AB Mix + 50% POC) using pH and TDS sensors and P2 (50% AB Mix + 50% POC) without pH and TDS sensors, each with two replications and nine samples per replication. The results showed that the use of pH and TDS sensors significantly increased plant height (32.44 cm), number of leaves (23.66 strands), leaf area (422.8 cm2), wet weight (236.4 g) and dry weight (23.41 g) compared to the manual method. Data analysis using an unpaired t-test at a 5% significance level showed significant differences in most growth parameters. IoT technology has proven effective in increasing the efficiency and productivity of hydroponic systems by providing real-time nutrients according to plant needs. This research supports the development of IoT technology for sustainable agriculture, while also having a positive impact on production efficiency and resource savings.
Application of pH and TDS Sensors to Optimize the Growth of Pakcoy (Brassica rapa L.) Plants in Hydroponic Systems Mardaniyah, Annisa; Fevria, Resti; Vauzia, Vauzia; Kardiman, Reki
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
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.v25i4b.10765

Abstract

Pakcoy (Brassica rapa L.) is a widely cultivated leafy vegetable with high economic value. Limited agricultural land and the need for more efficient cultivation systems encourage the use of hydroponic technology, particularly through the use of pH and TDS sensors to optimize nutrient management. This study aims to compare the growth of pakcoy plants using the Deep Flow Technique (DFT) hydroponic system with pH and TDS sensors and without sensors. The study used a Completely Randomized Design (CRD) with two treatments: 50% AB mix + 50% POC with sensors, and 50% AB mix + 50% POC without sensors, with nine replications. The parameters observed included plant height, number of leaves, leaf area, fresh weight, and dry weight. Data were analyzed using an unpaired t-test at a significance level of 5%. The results showed that the use of pH and TDS sensors significantly affected all growth parameters. The treatment with sensors resulted in higher average values, namely plant height of 25.1 cm, number of leaves of 17.3, leaf area of 514.6 cm², fresh weight of 236.28 g, and dry weight of 30.7 g compared to the treatment without sensors. Automatic nutrient monitoring creates stable solution conditions, thereby increasing nutrient absorption efficiency and plant biomass accumulation. This study concluded that the use of pH and TDS sensors is effective in optimizing and increasing the productivity of bok choy plants in hydroponic systems. It is recommended that IoT-based monitoring technology be applied more widely to improve cultivation efficiency, reduce costs, and support sustainable agriculture.
Implementation of pH and TDS Sensor Automation Systems on Lettuce (Lactuca sativa L.) Growth in Hydroponic Cultivation Putri, Gusti Dinia; Fevria, Resti; Vauzia, Vauzia; Violita, Violita
Jurnal Biologi Tropis Vol. 25 No. 4a (2025): Special Issue
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.v25i4a.10857

Abstract

Lettuce (Lactuca sativa L.) is a vegetable commodity that is currently in high demand because it has many health benefits. Hydroponic cultivation is a method that can improve lettuce growth by utilizing IoT based pH and TDS sensors. This study aims to compare lettuce growth in hydroponic cultivation by applying Internet of Things (IoT)-based pH and TDS sensors and manual methods. The method used was an experimental method by comparing the average of two treatments, namely the use of IoT-based pH and TDS sensors and the manual method, with each treatment consisting of nine replicates. The results showed that the application of IoT sensors had a significant effect on increasing plant height, leaf area, wet weight, and dry weight. IoT technology can improve efficiency and productivity in hydroponic systems because the sensors can maintain a stable balance of nutrients and acidity in the solution, resulting in better plant growth. These findings indicate that the application of IoT has great potential in supporting sustainable agriculture, while also providing benefits in the form of increased production efficiency and resource savings.
Application of pH and TDS Sensors to the Growth of Red Lettuce (Lactuca sativa var. crispa) in a Hydroponic System Putri, Amelia Dwi; Fevria, Resti; Anhar, Azwir; Razak, Abdul
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
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.v25i4b.10859

Abstract

Red lettuce (Lactuca sativa var. crispa) cultivated using hydroponic systems requires precise nutrient management to optimize growth. Internet of Things (IoT)-based sensors, particularly pH and Total Dissolved Solids (TDS) sensors, enable real-time automatic regulation of nutrient solutions. This study aimed to evaluate the effect of IoT-based nutrient automation using pH and TDS sensors combined with a 50% AB Mix and 50% nano gamal leaf POC formulation on the growth of red lettuce. Data were analyzed using an independent t-test at the 5% significance level. The results showed that all growth parameters in the sensor-based system were significantly higher than those in the manual system (p < 0.05). The automated system improved nutrient balance, increased nutrient absorption efficiency, and maintained stable pH and TDS values throughout the growth period. This study demonstrates that IoT-based nutrient automation effectively enhances hydroponic red lettuce productivity and supports sustainable agricultural practices through efficient resource management. Statistical analysis confirmed significant differences between treatments, indicating that IoT technology improves the efficiency and productivity of hydroponic systems by providing real-time nutrient supply. This research strengthens the potential application of IoT technology in sustainable agriculture and contributes to improved production efficiency and resource savings.
Pendampingan Pengolahan Pasca Panen dan Pengemasan Gula Merah di Nagari Talang Babungo Kabupaten Solok Vauzia, Vauzia; Fevria, Resti; Jarlis, Roni; Mutiar, Sri
ABDI: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol 8 No 1 (2026): Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat
Publisher : Labor Jurusan Sosiologi, Fakultas Ilmu Sosial, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/abdi.v8i1.1796

Abstract

Nagari Talang Babungo di Kabupaten Solok merupakan daerah agraris penghasil gula merah berbahan baku tebu. Komoditas unggulan ini merupakan potensi lokal yang diolah menjadi gula merah. Namun, pengolahan gula merah masih menghadapi berbagai kendala, seperti kualitas produk yang belum seragam, kadar air tinggi, tekstur kurang padat, serta pengemasan sederhana sehingga produk kurang kompetitif di pasaran. Untuk itu dilakukan kegiatan pengabdian kepada masyarakat berupa pelatihan pembuatan, peningkatan kualitas, dan pengemasan gula merah tebu. Kegiatan dilaksanakan melalui metode penyuluhan, pelatihan praktik, serta pendampingan berkelanjutan. Peserta terdiri atas petani tebu, pelaku UMKM, dan masyarakat umum yang tergabung dalam kelompok tani Lestari Nagari Talang Babungo. Materi yang diberikan meliputi faktor-faktor yang mempengaruhi produksi gula merah, standar mutu gula merah, pengolahan pasca panen yang efisien, serta inovasi pengemasan yang menarik. Hasil kegiatan menunjukkan peningkatan pengetahuan dan keterampilan peserta. Produk gula merah yang dihasilkan memiliki warna lebih seragam, kadar air, dan dikemas yang menarik dan higienis sehingga dapat meningkatkan nilai jual. Disamping itu, peserta memperoleh informasi terkait pengendalian mutu gula merah dan teknis dalam pempersiapan kemasan. Program ini memberi dampak positif bagi kelompok tani Lestari secara ekonomi dimana gula merah berpotensi menjadi produk unggulan daerah Kabupaten Solok dan Sumatera Barat dengan daya saing lebih baik. Kegiatan ini juga meningkatkan kesadaran masyarakat terhadap standarisasi mutu gula merah, dan memperkuat kelembagaan usaha nagari dalam usaha berbasis potensi lokal.
An Assistance in the Use of Goat Manure Waste as Liquid Organic Fertilizer in Nagari Palaluar to Support Environmentally Friendly Agriculture Maiyontoni Maiyontoni; Santi Diana Putri; Resti Fevria; Andi Alatas; Hermansah Hermansah; Agustian Agustian; Nurmiati Nurmiati
Pelita Eksakta Vol 9 No 1 (2026): Pelita Eksakta, Vol. 9, No. 1
Publisher : Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/pelitaeksakta/vol9-iss1/299

Abstract

Small-scale goat farmers in Nagari Palaluar, Koto VII District, Sijunjung Regency have a dual challenge in the form of low profitability of goat farming and degradation of agricultural land due to excessive use of inorganic fertilizers and conversion of former mining land. This community service initiative aims to increase farmers' income by converting goat manure waste by processing goat manure waste into Liquid Organic Fertilizer, while supporting sustainable agricultural practices. Using a participatory rural appraisal (PRA) approach, the program combines theoretical education, LOF (Liquid Organic Fertilizer) making practice training, technical mentoring, and laboratory-based evaluation. The results showed a very significant increase in knowledge (p < 0.001) with an average gain score of 39.00 (from 48.33 to 87.33). Laboratory analysis confirmed the quality of POC with macronutrient concentrations of Nitrogen (235.5 ppm), Phosphorus (299.7 ppm), and Potassium (714.7 ppm) at Level 1 (Very High), as well as an optimal pH of 6.8. The participants managed to produce 160 liters of LOF per month, creating a new source of income through local sales while reducing dependence on chemical fertilizers. This integrated approach not only increases the income of goat farmers but also promotes a circular economy, reduces environmental impact, and contributes to SDGs 12 and 15
Training and Mentoring for Goat Milk-Based Product Innovation as an Effort to Increase Added Value for Members of the Koperasi Produsen “Al Barkah Mandiri Bersama” in Sijunjung Regency Resti Fevria; Santi Diana Putri; Mentari Larashinda; Taufiqqurrahman Taufiqqurrahman; Linda Advinda; Yunis Marni; Wilna Sari; Kiki Amelia
Pelita Eksakta Vol 9 No 1 (2026): Pelita Eksakta, Vol. 9, No. 1
Publisher : Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/pelitaeksakta/vol9-iss1/301

Abstract

The Al Barkah Cooperative continues to produce goat milk, but the milk's distinctive aroma, unpopular with many, remains a limiting factor, resulting in low demand. To address this, innovation in goat milk processing is needed to ensure wider consumer acceptance. To enrich the cooperative's economic value, training and mentoring in dairy product processing are needed to optimize dairy farmers' milk production, including milk crackers and ginger milk. The training included lectures, demonstrations, and hands-on practice, covering everything from preparation to packaging. Evaluation results showed that 85% of participants felt they had gained new insights and were motivated to develop dairy products independently or in groups. Therefore, this activity has the potential to encourage business diversification, increase the added value of goat milk, and open wider market opportunities for the cooperative and the surrounding community.
Collaborative Workshop With ICMI On Curriculum Development For Cattle Breeding And Rearing Program Cattle Breeding And Rearing Program Refika Komala; Resti Fevria; Yulkifli Yulkifli; Rini Elisia; Roni Jarlis; filFildza Arief Syuhada; Farhan Al Azhar Besri
Pelita Eksakta Vol 9 No 1 (2026): Pelita Eksakta, Vol. 9, No. 1
Publisher : Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/pelitaeksakta/vol9-iss1/336

Abstract

Abstract – Variousproblemsfaced by the livestocksector in Indonesia include low quality cattle seeds, inadequate infrastructure, and low productivity. Livestock farmingis generally carried out by rural livestock farmers, managed traditionally as a side business, with a cattle maintenance system that is herded and pennednear the farmer's house. The cattle are left to findtheirownfeed and to meet the shortage of livestockfeed, agricultural waste is provided. The capabilities of cattle farmers are relatively limited, farmers assume that cattle maintenance can bedone as a side job and do not have special technologi calca pabilities. The purpose of the collaborative Workshop with ICMI in Efforts to Increase the Human Development Index through Cattle Breeding and Raisingis to improve participants' knowledge and skills related to modern livestock technology that can increase the productivity and quality of beefcattle. In addition, this workshop alsoaims to strengthen the network and collaboration between experts, practitioners, and related parties in the beef cattle industry in the form of lecture activities on cattle farming and fattening through 16 meetings consisting of 11 courses with expert speakers. The result of this collaboration is an increase in participants' knowledge and skills regarding more effective livestock technology, in order to increase the productivity and quality of beefcattle, especially in Sijunjung Regency.
Co-Authors -, Vauzia - -, Yulkifli - A. Ardi Abdul Razak Abdul Razak Achyar, Afifatul Afiah, Annisa Afrilisia, Lora Agustian Agustian Agustian Agustian Aini, Quratul Alqaramah, Rachel Amalia Fildzah Sharfina Andi Alatas, Andi Annisa Annisa Tulhasanah Annisa, Silvy Ardi Ardi Ardi Ardi Arjulis, Wanda Atifah, Yusni Audela Oktavira Azwir Anhar cynthia perdana putri Delvia Suarman Des M Des M Des M. M. Dezi Handayani Dhea Sabrina Aprilia Dona, Afrini Dwi Hilda Putri Edwin Edwin Edwin Edwin Edwin Edwin Elisia, Rini Eliza Octa Khairani Elsa Badriyya Eni Kamal Erwina Simanullang Fadilla Meidita Fadilla Sonia Putri Fajri Rifyant Farhan Al Azhar Besri Febriani, Zulfa filFildza Arief Syuhada Fitria Anwar Ghiffari, Muhammad Helendra . Hermansah Hermansah Hermansah Hermansah, Hermansah Humulusna, Rira Indra Hartanto Indra Hartanto Irdawati Irdawati Irma Lailani Putri Irma Leilani Eka Putri Isril Berd Kardiman, Reki Kiki Amelia Kiki Amelia, Kiki Kudususalam, Malikil Linda Advinda M Maizirwan Maiyontoni Maiyontoni Maiyontoni, Maiyontoni Mardaniyah, Annisa Marni, Yunis Mentari Larashinda Mitason, Deka Monica , Indiastri P Moralita Chatri nada wafiq hijriah, Nada wafiq Nia Faradila Niken Maharani Putri Novelina, Agnes Ramelin Novita Sukawati Nurmiati Nurmiati Nurmiati, N Nurul Fadilah Oktaviani, Mutia Olan Tri Sinaga Pertiwi, Lastri Purnamasari, Devi Putra, Ahadul Putri Oktavia Putri, Afriani Amelia Putri, Amelia Dwi Putri, Fanesha Panca Putri, Gusti Dinia Putri, Irma Leilani Eka Putri, Santi Diana Qurrata A'yuni A'yuni Rafiqi, Aufa Rahmadhani Fitri Rahmi, Elva Ramadhan Sumarmin Rara Via Jonet Refika Komala REFIKA KOMALA Reki Kardiman Rijal Satria Rika Andima Rini Elisia Ririn Indria Sari Ristiono Ristiono Rizka Meisy Evis Putri Rizki Rahman Putra Roisiah, Qoimatun Roni Jarlis S. Syamsurizal S. Syamsurizal Sania, Hani Selaras, Ganda Hijrah Sintia Delia Syafitri Siska Farma Sri Mutiar, Sri Supriyanti, Juli Syamsurizal Syamsurizal Syuhada, Fildza Arief Taufiqqurrahman Taufiqqurrahman Taufiqqurrahman, Taufiqqurrahman Tazri, Mufidah Insani Vauzia Vauzia Vauzia Vauzia, Vauzia Vauzia, Vauzia Violita Violita Violita Violita Viona, Alda Vivi Hendrita Wahyudi Rahmat Wilna Sari Wilna Sari Wita Febriani Yovella Trisna Wijaya Yulkifli Yulkifli Yunis Marni Yurico Utami