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All Journal Jurnal Agroekoteknologi Terapan EKOTON Jurnal Lentera: Penelitian dan Pengabdian Masyarakat Journal of Literacy and Education
Ogie, Tommy B.
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Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Library & Information Science Medicine & Pharmacology Public Health Social Sciences Other

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The Effects of Substituting Straw Compost for NPK Fertilizer On Field Rice Growth and Yield Using The SRI (System of Rice Intensification) Method Rantung , Rantung; Paulus, Jeanne M.; Supit, Paula C. H.; Ogie, Tommy B.; Lengkong, Edy F.; Walingkas, Stanley A. F.; Inkiriwang, Annatje E. B.; Doodoh, Beatrix; Pangemanan, Ventje; Najoan, Jemmy; Polii, Maria G. M.; Tulung, Stella Maria Theresia
Jurnal Agroekoteknologi Terapan Vol. 5 No. 1 (2024): EDISI JANUARI-JUNI 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v5i1.54192

Abstract

With an agroecological philosophy, the SRI (System of Rice Intensification) technique is a rice production technology approach that prioritizes soil, plant, and water management through local expertise and group empowerment based on environmentally beneficial activities. The purpose of this study is to investigate lowland rice growth and yield by using composted straw instead of NPK fertilizer. Implemented in Tara-Tara II village, West Tomohon sub-district for 5 (five) months with one factor treatment, namely the ratio of NPK fertilizer dose and straw compost dose: 100% NPK + straw compost 0% straw compost (P0), 75% NPK + 25% straw compost (P1), 50% NPK + 50% straw compost (P2), 25% NPK + 75% straw compost (P3), and 0% NPK + 100% straw compost (P4). The variables observed included: plant height, number of fodder, number of panicles/clumps, weight of 100 harvested dry grains, number of grains/panicles, percentage of smooth grains/clumps and harvested dry grain yield. Substitution of NPK fertilizer with compost straw has no effect on the height of lowland rice plants using the SRI (System of Rice Intensification) method, but does affect the number of productive tillers. The highest number of productive tillers was found in P2 (50% NPK + 50% straw compost), P3 (25% NPK + 75% straw compost) and P4 (0% NPK + 100% straw compost), with an average value of 31, respectively. 27; 28.20 and 27.53 tillers, while treatment P3 (25% NPK + 75% straw compost) and lower values in treatments P0 (100% NPK + 0% straw compost) and P1 (75% NPK + 25% straw compost ) with an average value of 25.83; and 25.67 offspring. Keywords: System of Rice Intensification (SRI), rice, straw compost.
The Effectiveness Of Liquefied Organic Fertilizer (LOF) Market Waste On Increased Growth and Red-Spinach Production (Amarathus tricolor. L) Lengkong, Edy F.; Malintoi, Friska; Najoan, Jemmy; Paat, Frangky J.; Ogie, Tommy B.; Nangoi, Ronny
EKOTON Vol. 4 No. 1 (2022): ISSUE JANUARY - JUNE 2022
Publisher : PPLH-SDA, Lembaga Penelitian Unsrat Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35801/ekoton.v5i1.49529

Abstract

Abstract. Edy Lengkong1*, Friska Malintoi 1, Jemmy Najoan1, Frangky J. Paat1, Tommy B. Ogie1, , Ronny Nangoi1. The Effectiveness Of Liquefied Organic Fertilizer (LOF) Market Waste On Increased Growth and Red-Spinach Production (Amarathus tricolor. L). Ekoton   11. 44-6. Red spinach (Amarathus tricolor L.) is a commodity that has very high development, it is proven that the number of requests tends to increase. Not inferior to other horticultural crops, red spinach plants have a fairly high economic value. Apart from being consumed every time, red spinach also contains nutrients needed by the body (Irwan et al., 2005). According to the Central Statistics Agency (BPS) in 2017, the total harvested area of ​​spinach in Indonesia in 2017 reached 40,608 hectares with a production of 160,248 tons ranks 9th out of 18 commercial vegetables cultivated and produced in Indonesia. There are 3 traditional markets in Manado City, namely Bahu Market in Malalayang District, Karombasan Market in Wanea District, and Bersehati Market in Wenang District. Can giving market waste POC affect the growth and yield of red spinach? The purpose of this study was to determine the effectiveness of giving market waste POC to the growth and yield of red spinach. And knowing the best POC concentration for the growth and yield of red spinach. It is hoped that this research can provide information on the use of market waste as a source of nutrients for the growth and yield of red spinach in the form of liquid organic fertilizer (POC). This research was arranged using a Randomized Block Design (RAK) with 5 treatments of POC concentration of market waste on red spinach plants. P0: control, P1: 25%, P2: 50%, P3: 75%, P4:100%. Each treatment consisted of 5 plant samples and was repeated 3 times to obtain 75 samples. Market waste POC with a concentration of 75% is the best concentration on the variable height of red spinach plants. Keywords: POC, Red Spinach, Market Garbage
The Ecological Role and Carbon Sequestration Potential of Mangrove Ecosystems in Sondaken for Climate Change Mitigation Nurmawan, Wawan; Ogie, Tommy B.; Lasut, Marthen T.
Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal) Vol. 6 No. 2 (2025): ISSUE JULY-DECEMBER 2025
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v6i2.64682

Abstract

Mangrove ecosystems play an important ecological role in maintaining coastal environmental balance and contribute significantly to climate change mitigation through carbon sequestration. This study aims to analyse the vegetation structure, zoning, biomass potential, and carbon storage of the mangrove ecosystem in Sondaken, South Minahasa Regency, North Sulawesi, as well as to examine its ecological role in climate change mitigation. Data collection was conducted on ten plots arranged perpendicular to the coastline. The identification results showed that there were ten true mangrove species with a strong dominance of Rhizophora apiculata at all growth levels. The highest Importance Value Index (IVI) was achieved by R. apiculata with 97.83 at the tree level, indicating good adaptability and regeneration. Mangrove zoning is divided into three main parts, namely the back zone (Avicennia and Bruguiera spp.), the middle zone (Rhizophora apiculata and R. mucronata), and the front zone (Sonneratia alba and Avicennia alba). The average biomass value reached 489.37 tonnes/ha, while the average stored carbon was 230 tonnes/ha, indicating high potential as a blue carbon sink. Ecologically, the Sondaken mangrove plays an important role in absorbing atmospheric carbon, protecting the coast from abrasion, and providing habitat for various coastal biota. The results of this study confirm that the Sondaken mangrove ecosystem has high strategic value in climate change mitigation and adaptation and needs to be managed sustainably through conservation and rehabilitation based on natural zoning.
Pelatihan Teknik Vertikultur Sebagai Solusi Pertanianpada Lahan Terbatas di Kelurahan Mahakeret Timur Kota Manado Wawan Nurmawan; Ogie, Tommy B.
Jurnal Lentera: Penelitian dan Pengabdian Masyarakat Vol. 7 No. 1 (2026): Jurnal Lentera: Penelitian dan Pengabdian Masyarakat
Publisher : Yayasan Bina Lentera Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57207/30qf9n38

Abstract

Peningkatan jumlah penduduk di kawasan perkotaan menyebabkan alih fungsi lahan pertanian menjadi pemukiman, yang berdampak pada keterbatasan lahan untuk budidaya tanaman. Kondisi ini menjadi tantangan dalam pemenuhan kebutuhan pangan keluarga. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk memberikan pelatihan dan praktik pemanfaatan lahan pekarangan yang sempit melalui teknik vertikultur, dengan fokus pada pemanfaatan limbah botol plastik air minum kemasan 1500 ml sebagai wadah tanam. Metode kegiatan meliputi penyuluhan, diskusi, dan demonstrasi langsung yang menyasar kelompok masyarakat di Kelurahan Mahakeret Timur. Materi yang disampaikan mencakup pengenalan sistem vertikultur, persiapan media tanam, teknik penyemaian, penanaman, hingga pemeliharaan tanaman sayuran dan tanaman obat keluarga (TOGA). Hasil kegiatan menunjukkan peningkatan pengetahuan dan keterampilan peserta secara signifikan, yang dibuktikan dengan kemampuan mereka dalam membuat instalasi vertikultur secara mandiri dan menanam berbagai jenis sayuran. Penerapan teknik vertikultur ini terbukti menjadi solusi efektif untuk mendukung ketahanan pangan di tingkat rumah tangga, mengurangi pengeluaran belanja sayuran, sekaligus meningkatkan nilai estetika lingkungan dan mengelola sampah plastik secara produktif.
PKM Training on Techniques for Making Ecoenzyme Derivative Products for Community Groups in the Santa Brigida Region, Raja Damai Church, Tikala Baru District, Manado Tumbelaka, Selvie; Wantasen, Sofia; Ogie, Tommy B.; Lumingkewas, Adeleyda M.W.
Journal of Literacy and Education Vol. 1 No. 2 (2025): Journal of Literacy and Education
Publisher : Yayasan Bina Lentera Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57207/bkw1vj78

Abstract

Waste is still a serious problem that cannot be completely addressed, especially in big cities. The increase in the amount of waste will continue to increase in line with the increase in people's welfare and lifestyle. Ecoenzymes are useful multipurpose liquids that can be made from organic waste resulting from household activities. Community involvement in waste management is still lacking due to the lack of training on processing organic waste into ecoenzymes, and processing ecoenzymes into derivative products in the form of soap. The method used in this PKM is training and mentoring which consists of two stages, namely the practice of making ecoenzymes and the next stage the practice of making soap from ecoenzymes. The results of the evaluation carried out after training by the PKM Team showed that the partner group members were able to absorb the knowledge and information provided so that they were able to make ecoenzymes from organic materials which are household waste, and then the ecoenzymes that had been harvested (after 3 months of fermentation) could be processed into soap products. solid that can be used for family needs. This shows that the PKM activity of training on techniques for making ecoenzyme derived products has succeeded in increasing the knowledge and skills of partner groups in making ecoenzymes and soap derivative products, which are also an alternative for handling organic waste in the environment.
Neighbourhood-Scale Carbon Footprint of Community Activities in Batu Kota, Malalayang District, Manado City Claudhio, Jehezkiel K.; Wantasen, Sofia; Lumingkewas, Adeleyda M. W.; Paat, Frangky J.; Rotinsulu, Wiske C.; Paulus, Jeanne M.; Pakasi, Sandra E.; Pioh, Diane D.; Ogie, Tommy B.; Porong, Jelie Viekson
Jurnal Agroekoteknologi Terapan Vol. 7 No. 1 (2026): ISSUE JANUARY-JUNE 2026
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v7i1.67504

Abstract

Neighbourhood-scale carbon-footprint assessment is increasingly important for understanding how everyday urban activities contribute to greenhouse-gas emissions. This study evaluated the carbon footprint generated by community activities in Kelurahan Batu Kota, Malalayang District, Manado City, Indonesia. The research was conducted from January to February 2026 using a quantitative survey approach with purposive sampling. A total of 335 households were selected from five neighbourhood units. Primary data were collected through field observation and questionnaires covering LPG use, household electricity consumption, motor-vehicle ownership, fuel type, and transport-fuel consumption. Carbon emissions were estimated for three activity categories, namely LPG use, electricity consumption, and motorized transportation, using IPCC-based calculation procedures. The results showed that the total carbon footprint of community activities in Kelurahan Batu Kota reached 7,410.98 ton CO₂eq year⁻¹. Transportation was the dominant emission source, contributing 4,546.12 ton CO₂eq year⁻¹ or 61.34% of the total, followed by electricity consumption at 2,432.12 ton CO₂eq year⁻¹ and LPG use at 432.74 ton CO₂eq year⁻¹. Spatially, the carbon footprint was unevenly distributed across neighbourhoods. Lingkungan 5 produced the highest total emissions at 2,646.89 ton CO₂eq year⁻¹ or 35.72% of the total, whereas Lingkungan 4 contributed the lowest share. These findings indicate that the carbon profile of Batu Kota was driven primarily by daily mobility and electricity use rather than by cooking-fuel consumption. The study provides baseline evidence for neighbourhood-based emission management and highlights the importance of place-specific mitigation strategies in urban residential environments. Keywords: carbon footprint; electricity consumption; household emissions; neighbourhood-scale assessment; urban transportation
Assessment Of the Carbon Footprint of Household Activities in Kleak, Malalayang District, Manado City Minanga, Dony T.; Wantasen, Sofia; Lumingkewas, Adeleyda M. W.; Paat, Frangky J.; Rotinsulu, Wiske Ch.; Paulus, Jeanne M.; Pioh, Diane D.; Ogie, Tommy B.
Jurnal Agroekoteknologi Terapan Vol. 7 No. 1 (2026): ISSUE JANUARY-JUNE 2026
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v7i1.67505

Abstract

Household energy use and private mobility are important sources of greenhouse-gas emissions in urban residential areas. This study assessed the carbon footprint of household activities in Kelurahan Kleak, Malalayang District, Manado City, Indonesia. The study was conducted from January to March 2026 using a field-based survey approach with purposive sampling. A total of 354 households were selected from six neighbourhood units (lingkungan). Primary data were collected through direct observation and questionnaires covering LPG consumption, electricity use, vehicle ownership, fuel type, and fuel consumption. Carbon emissions were estimated for three major household-related sources, namely LPG use, electricity consumption, and private transportation fuel use, using IPCC-based emission calculation methods. The results showed that the total household carbon footprint of Kelurahan Kleak reached 6,599.65 ton CO₂eq year⁻¹. Transportation fuel was the largest contributor, accounting for 3,609.97 ton CO₂eq year⁻¹, followed by electricity consumption at 2,613.89 ton CO₂eq year⁻¹, while LPG use contributed 375.80 ton CO₂eq year⁻¹. Among the six neighbourhoods, Lingkungan 6 produced the highest total emissions at 2,123.05 ton CO₂eq year⁻¹, equivalent to 32.17% of the total carbon footprint. These findings indicate that household carbon emissions in Kelurahan Kleak were driven primarily by private mobility and electricity use rather than cooking fuel consumption. The study provides baseline evidence for neighbourhood-scale carbon management and highlights the importance of community-based mitigation strategies in urban residential environments. Keywords: carbon footprint; electricity consumption; household activities; LPG use; transportation fuel
Analisis Kandungan Logam Berat Timbal (Pb) dan Kadmium (Cd) pada Mangrove Rhizophora Apiculata dan Sedimen di Kelurahan Meras Kecamatan Bunaken Kota Manado Nurmawan, Wawan; Ogie, Tommy B.; Saroinsong, Fabiola B.
Jurnal Lentera: Penelitian dan Pengabdian Masyarakat Vol. 7 No. 1 (2026): Jurnal Lentera: Penelitian dan Pengabdian Masyarakat
Publisher : Yayasan Bina Lentera Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57207/hfv26197

Abstract

Ekosistem mangrove memiliki kemampuan ekologis dalam menyerap dan mengakumulasi logam berat dari lingkungan pesisir, sehingga berperan penting sebagai bioindikator pencemaran. Kawasan mangrove di Kelurahan Meras, Kecamatan Bunaken, Kota Manado merupakan wilayah pesisir yang berpotensi terpapar aktivitas antropogenik seperti permukiman, pariwisata, dan aktivitas perairan. Penelitian ini bertujuan menganalisis kandungan logam berat Timbal (Pb) dan Kadmium (Cd) pada mangrove jenis Rhizophora apiculata dan sedimen di sekitarnya. Pengambilan sampel dilakukan pada bagian akar, kulit batang, daun, dan sedimen dari tiga individu mangrove yang dipilih secara purposif. Analisis kandungan logam berat menggunakan metode Atomic Absorption Spectrophotometer (AAS). Hasil penelitian menunjukkan bahwa kandungan Pb pada seluruh sampel berada di bawah batas deteksi alat (<0,15 mg/kg), sedangkan kandungan Cd berada di bawah <0,02 mg/kg. Nilai tersebut berada di bawah ambang batas baku mutu lingkungan yang ditetapkan oleh Peraturan Pemerintah No. 22 Tahun 2021 dan standar internasional (ANZECC, 2000). Rendahnya konsentrasi Pb dan Cd menunjukkan bahwa ekosistem mangrove di Kelurahan Meras masih relatif baik dan belum mengalami pencemaran logam berat secara signifikan. Hasil penelitian ini mengindikasikan bahwa Rhizophora apiculata berpotensi sebagai bioindikator kualitas lingkungan pesisir serta berkontribusi dalam mitigasi pencemaran logam berat di ekosistem mangrove pesisir Manado. Kata kunci: bioindikator
Co-Authors Claudhio, Jehezkiel K. Diane D. Pioh, Diane D. Doodoh, Beatrix Edy F. Lengkong Fabiola B. Saroinsong Frangky J. Paat Inkiriwang, Annatje E. B. Jeanne M. Paulus Jemmy Najoan, Jemmy Lumingkewas, Adeleyda M. W. Lumingkewas, Adeleyda M.W. Malintoi, Friska Marthen T. Lasut Minanga, Dony T. Nangoi, Ronny Polii, Maria G. M. Porong, Jelie Viekson Rantung , Rantung Rotinsulu, Wiske C. Sandra E. Pakasi Selvie Tumbelaka Sofia Wantasen Supit, Paula C. H. Tulung, Stella Maria Theresia Ventje Pangemanan Walingkas, Stanley A. F. Wawan Nurmawan Wiske Rotinsulu