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Jurnal Agroekoteknologi Terapan
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : 27970647     DOI : https://doi.org/10.35791/jat.v2i1.34060
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Jurnal Agroekoteknologi Terapan adalah bagian dari Program Studi Agroteknologi Fakultas Pertanian Universitas Sam Ratulangi Manado 95115. Bertujuan untuk mempublikasikan akumulasi dari hasil-hasil penelitian yang berhubungan dengan ilmu dan teknologi pertanian terapan (applied agrotechnology).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 189 Documents
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The Role of Understory Plants in Microclimate in Coconut-Based Agroforestry Pangemanan, Euis F.S.; Kalangi, Josephus I.; Saroinsong, Fabiola B.; Ratag, Semuel P.
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.v6i2.64481

Abstract

The use of land with a coconut-based agroforestry system is currently widely practiced in the South Minahasa region. In this agroforestry system, coconut trees are planted together with other plants on a single plot of land. The diversity of underplanting also plays a role in modifying the microclimate around the coconut trees, which in turn can affect the growth and productivity of the plants. Microclimate is the climatic conditions that occur around plants and is greatly influenced by various factors, including plant diversity. Coconut trees in coconut-based agroforestry systems bring about changes in the microclimate under the canopy and can lower air temperature, reduce radiation, and decrease wind speed under the canopy. This study aims to determine the effect of various types of vegetation on the microclimate in coconut-based agroforestry. The research was conducted in Ongkaw Village using a survey method. Microclimate measurements included solar radiation transmission, air temperature, air humidity, and wind speed at each observation plot. Data on underplant vegetation was observed using a purposive sampling plot method on coconut agroforestry land with different vegetation structures. The results showed that, compared to monoculture areas, the presence of understory plants significantly reduced air temperature, increased relative humidity, slowed wind speed, and reduced the intensity of light reaching the ground. Compared to other types of plants, plots with multi-strata fruit plants had the best microclimate conditions; shrub plots showed a moderate effect on microclimate moderation, while more open plots tended to have higher temperatures and lower humidity. The conclusion of this study is that the selection of understory plants in coconut agroforestry systems greatly influences microclimate conditions. Multi-strata fruit trees have been proven to be the most effective in creating a cooler and more humid microclimate, which can contribute to improved soil health and reduced stress on the main crop
Identification Of Insect Pests on Retail Rice in Three Markets in Serang Regency Nahla, Nahla; Laila, Alfu; Rohmawati, Imas; Rossaffelt Rumbiak, Julio Eiffelt
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.v6i2.64518

Abstract

Penelitian ini bertujuan untuk mengidentifikasi jenis serangga hama yang terdapat pada beras eceran serta menganalisis mutu fisik tiga merek beras yang dipasarkan di tiga pasar tradisional di Kabupaten Serang, yaitu Pasar Tirtayasa, Pasar Begog, dan Pasar Dukuh. Penelitian dilaksanakan pada bulan Maret hingga Mei 2025 menggunakan rancangan tersarang (nested design) dengan dua faktor, yaitu lokasi pasar dan merek beras (SLYP Super RL Macho, SLYP Super OS, dan SLYP Super KM Karya Makmur). Parameter yang diamati meliputi jenis dan jumlah serangga hama, rasio jantan dan betina, derajat sosoh, kadar air, serta jumlah benda asing. Hasil pengamatan menunjukkan bahwa Sitophilus oryzae merupakan spesies dominan yang ditemukan pada seluruh sampel dengan jumlah populasi tertinggi pada merek RL Macho di Pasar Tirtayasa. Kondisi suhu dan kelembapan pasar yang relatif tinggi (27–32°C dan 60–80%) mendukung perkembangan populasi hama tersebut. Keberadaan hama berpengaruh terhadap penurunan mutu fisik beras, ditunjukkan dengan meningkatnya persentase butir patah, menir, dan kadar air yang melebihi batas standar SNI. Berdasarkan hasil analisis, keberadaan S. oryzae sangat dipengaruhi oleh kondisi penyimpanan dan kadar air beras. Oleh karena itu, diperlukan penerapan sistem penyimpanan yang lebih higienis dan pengawasan mutu di tingkat pedagang untuk menekan populasi hama dan mempertahankan kualitas beras yang beredar di pasar tradisional Kabupaten Serang.
Percentage of Attacks and Intensity of Damage by Emerald Beetle Pest Agrilus sp. (Coleoptera: Buprestidae) on Clove Plantations in Pinolosian District, South Bolaang Mongondow Regency Watung, Jackson; Umboh, Ulrich; Tarore, Dantje; Dumalang, Sherlij
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.v6i2.64520

Abstract

Clove (Syzygium aromaticum (L) Merr.& Perry) is an aromatic shrub. In 2007, a stem-boring beetle, namely the emerald beetle Agrilus sp. (Coleoptera: Buprestidae), was found in Pinolosian Subdistrict, South Bolaang Mongondow Regency. This study aims to determine the intensity of damage and the percentage of Agrilus sp. pest infestation in Pinolosian Subdistrict, South Bolaang Mongondow Regency. The study was conducted in Pinolosian District, South Bolaang Mongondow Regency, North Sulawesi Province, from February to July 2025. The study employed a quantitative descriptive method. Data on the percentage of infestation and damage intensity caused by Agrilus sp. were processed using Microsoft Excel and presented in tables and diagrams. The highest percentage of infestation was found at Station III at 70%, The highest attack percentage was found at Station III at 70%, and the lowest attack percentage was found at Station II at 40%. The highest damage intensity was found at Station III at 50.83% with a severe damage category, and the lowest damage intensity was found at Station II at 12.50% with a mild damage category. Keywords: Attack percentage, damage intensity, and Agrilus sp. Abstrak. Cengkeh (Syzygium aromaticum (L.) Merr. & Perry) adalah tanaman perdu beraroma. Pada tahun 2007 ditemukan kumbang penggerek batang yaitu kumbang zamrud Agrilus sp. (Coleoptera: Buprestidae) di Kecamatan Pinolosian, Kabupaten Bolaang Mongondow Selatan. Penelitian ini bertujuan untuk mengetahui intensitas kerusakan dan persentase serangan hama Agrilus sp. di Kecamatan Pinolosian, Kabupaten Bolaang Mongondow Selatan. Penelitian ini dilaksanakan di Kecamatan Pinolosian, Kabupaten Bolaang Mongondow Selatan, Provinsi Sulawesi Utara dan dilaksanakan pada bulan Februari-Juli 2025. Penelitian ini menggunakan metode deskriptif kuantitatif. Data persentase serangan dan intensitas kerusakan hama Agrilus sp. diolah menggunakan Ms. Excel dan ditampilkan dalam bentuk tabel dan diagram. Persentase serangan tertinggi terdapat pada Stasiun III yaitu 70%, dan persentase serangan terendah ditemukan pada Stasiun II yaitu 40%. Intensitas kerusakan tertinggi terdapat pada Stasiun III yaitu 50,83% dengan kategori kerusakan berat, dan intensitas kerusakan terendah ditemukan di Stasiun II yaitu 12,50% dengan kategori kerusakan ringan. Kata Kunci: Persentase serangan, Intensitas kerusakan, dan Agrilus sp
Inventory of Aquatic Insects as Bioindicators of Pollution in Sosongian Watershed, South Minahasa District. Roesli, Sara H.; Kaligis, James B.; Watung, Jackson F.
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.v6i2.64521

Abstract

Abstract. Over time, human activities have increased, resulting in potentially polluted rivers. Variations in aquatic insect populations in freshwater ecosystems can indicate the possibility of pollution. This study aims to inventory and identify various types of aquatic insects as bioindicators of pollution in the Sosongian watershed, South Minahasa Regency. Sampling was conducted using kick sampling, hand picking, and sweeping techniques at three Sosongian river stations. Identification of aquatic insects using identification key McCafferty (1981); Morse et al (1994); Yule & Hoi sen (2004); Nebois (1991); Carver (1991).  The results found six orders and 21 families of aquatic insects. Key Words: Inventory, Aquatic Insects, Pollution Bioindicators Abstrak. Seiring berjalannya waktu, aktivitas manusia terus meningkat dan mengakibatkan sungai berpotensi tercemar. Variasi populasi serangga air yang ada dalam ekosistem air tawar bisa mengindikasikan kemungkinan pencemaran terjadi. Penelitian ini bertujuan untuk menginventarisasi dan mengidentifikasi berbagai jenis serangga air sebagai bioindikator pencemaran di DAS Sosongian, Kabupaten Minahasa Selatan. Pengambilan sampel dilakukan dengan menggunakan teknik kick sampling, hand picking, dan sapuan pada tiga stasiun sungai sosongian. Identifikasi serangga air menggunakan kunci identifikasi McCafferty (1981); Morse et al (1994); Yule & Hoi sen (2004); Nebois (1991); Carver (1991).  Hasil penelitian ditemukan sebanyak enam ordo dan 21 famili serangga air. Kata Kunci: Inventarisasi, Serangga Air, Bioindikator Pencemaran
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.
Diversity Of Weed Types in The Gunung Karang Coffee Plantation, Swadaya Village Wahyuni, Putri; Ritawati, Sri; Putri, Widia Eka; Saylendra, Andree
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.v6i2.65242

Abstract

This study aimed to determine the diversity and dominance of weeds in coffee plantations in Gunung Karang, Swadaya Village, Karang Tanjung District, Pandeglang Regency. The method used was a belt transect with a plot size of 1 × 1 m at three land elevations, namely 500, 600, and 700 masl. The results showed that the diversity of weed species is quite high with a total of 20 species from 14 families. The composition and dominance of weeds varied at each elevation. At an altitude of 500 masl, the dominant weed is Oplismenus compositus (Poaceae), while at 600 masl it is dominated by Synedrella nodiflora (Asteraceae) and Peperomia pellucida (Piperaceae). At 700 masl, Spermacoce latifolia (Rubiaceae) showed the highest Importance Value Index (IVI) value, indicating a high level of adaptation and competitiveness in the highlands. Environmental factors such as light intensity, humidity, and location altitude influence the diversity and structure of the weed community. The dominance of certain weeds can inhibit the growth of coffee plants, so an effective and sustainable weed control strategy is needed, for example by means of an integrated control approach that includes manual, mechanical, and technical cultural methods, such as routine weeding and the use of competitive ground cover plants. Keywords: Coffee, Diversity, Dominance, Gunung karang, Weeds. Abstrak: Penelitian ini bertujuan untuk mengetahui keanekaragaman dan dominansi gulma pada lahan pertanaman kopi di Gunung Karang, Desa Swadaya, Kecamatan Karang Tanjung, Kabupaten Pandeglang. Metode yang digunakan adalah belt transect dengan ukuran plot 1 × 1 m pada tiga ketinggian lahan, yaitu 500, 600, dan 700 mdpl. Hasil penelitian menunjukkan bahwa keanekaragaman jenis gulma tergolong cukup tinggi dengan total 20 jenis yang berasal dari 14 famili. Komposisi dan dominansi gulma bervariasi pada setiap ketinggian. Pada ketinggian 500 mdpl, gulma yang dominan adalah Oplismenus compositus (Poaceae), sedangkan pada 600 mdpl didominasi oleh Synedrella nodiflora (Asteraceae) dan Peperomia pellucida (Piperaceae). Pada 700 mdpl, Spermacoce latifolia (Rubiaceae) menunjukkan nilai Indeks Nilai Penting (INP) tertinggi, menandakan tingkat adaptasi dan daya saing yang tinggi di dataran tinggi. Faktor lingkungan seperti intensitas cahaya, kelembapan, dan ketinggian lokasi berpengaruh terhadap keanekaragaman dan struktur komunitas gulma. Dominansi gulma tertentu dapat menghambat pertumbuhan tanaman kopi, sehingga diperlukan strategi pengendalian gulma yang efektif dan berkelanjutan, misalnya dengan cara pendekatan pengendalian terpadu yang mencakup cara manual, mekanis, dan kultur teknis, seperti penyiangan rutin serta pemanfaatan tanaman penutup tanah yang kompetitif. Kata-Kata Kunci: Dominansi, Gulma, Kopi, Gunung karang, Keanekaragaman
Optimization of Electricity Transition Scenarios Toward Net Zero Emissions by 2060 in Indonesia: Resource Analysis and System Reliability: Nursidik; Boer, Rizaldi; Rusli, Meika Syahbana
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.v6i2.65274

Abstract

Indonesia faces a critical challenge to fulfill Indonesia's commitment to the Enhanced Nationally Determined Contribution (ENDC) 2030 and to meet the net zero greenhouse gas (GHG) emissions by 2060. This requires the electricity sector to adopt low-emission, reliable, and investment-efficient technologies. This study develops three electricity transition scenarios toward net zero emission using the Long-range Energy Alternatives Planning (LEAP) system. Three scenarios are: (1) Current Strategy (CS) with emphasis on coal-based generation with Carbon Capture and Storage (CCS); (2) Renewable Energy-Based Transition (ET) prioritizing solar, wind, hydro, and geothermal; and (3) Enhanced Renewable and New Energy Transition (EBT) combining renewables with nuclear and hydrogen baseload. Model results demonstrate that electricity demand in 2060 is projected at 1,808 TWh with peak load of 245 GW. The required generation capacity reaches 565 GW (CS), 758 GW (EBT), and 1211 GW (EBT). Peak emissions occur in 2031 at 440 MtCO₂ (CS) and 439 MtCO₂ (ET and EBT). By 2060, zero emissions are achieved in the ET and EBT scenarios, while CS still emits 103 MtCO₂. All scenarios meet the ENDC 2030 emission-reduction target. System reliability is highest in EBT and CS, whereas emission reductions are greatest in ET and EBT.
Identification Of Insect Diversity in Coffee Plants at Various Heights of Citaman Lawang Taji Gunung Karang Pandeglang Plantations Isnaeni, Dwi; Laila, Alfu; Eiffelt Rossaffelt Rumbiak, Julio; Saylendra, Andree
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.v6i2.65394

Abstract

Coffee (Coffea sp) is a significant plantation crop in Indonesia. Smallholder farmers grow it using environmentally friendly management systems that keep soil fertile and the biodiversity high. This research utilizes a quantitative descriptive methodology. We collected data by directly observing the field and using trapping methods. In three different places, they used pitfall traps, yellow pan traps, and light traps. Purposive sampling was used to choose the place where samples would be taken. There were four samples taken, each one a week apart. After identifying and analyzing the insect that had been collected, we used ANOVA with F tables of 1% and 5% to find their diversity, dominance, and evenness. The findings indicated that 6 orders and 21 families were recognized from the three sites. The diversity indices for locations I, II, and III were classified as medium (1.51), low (-0.11), and medium (1.99), respectively. The dominance indices for sites I, II, and III were classified as low (0.44), low (0.11), and low (0.21), respectively. The evenness index for locations I, II, and III was low (0.26), low (-0.02), and moderate (0.44), respectively. Keywords: Identification, Diversity, Insects, Coffee, Diversity, Pandeglang
Coconut Agribusiness Supply Chains and the Potential for Closed-Loop Models in North Sulawesi Pakasi, Caroline B. D.; Benu, Noortje Marsellanie; Sondakh , Mex Frans Lodwyk
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.v6i2.65858

Abstract

Abstract. Coconut is a key smallholder crop in North Sulawesi Province, Indonesia, yet the agribusiness system remains characterised by low on-farm value addition, quality losses and underutilised by-products. A closed-loop supply chain model, which integrates forward flows of primary products with reverse flows of by-products and residues, has been proposed as a way to improve efficiency, market access and price incentives for farmers. This study analyses the coconut agribusiness supply chain in two major producing districts, Minahasa Tenggara and Minahasa Selatan, focusing on current configurations and the potential implementation of a closed-loop model. An applied case-study design was used, combining secondary data with primary data collected through questionnaires and interviews with farmers, traders, micro, small and medium enterprises (MSMEs), processing companies and supporting institutions between March and October 2024. Qualitative mapping and descriptive quantitative analysis were employed to examine supply chain structure, coordination, by-product utilisation, market access and price incentives. The results show that Minahasa Tenggara still operates a conventional, trader-driven supply chain with limited processing and minimal integration of by-products, whereas Minahasa Selatan exhibits emerging closed-loop features through partnership schemes linking farmer groups, processing companies and MSMEs, including the utilisation of husk, shell and coconut water for cocopeat, coir products, charcoal, briquettes and liquid organic fertiliser. These arrangements provide a foundation for improved market access and potentially better price incentives for farmers, but benefits remain uneven and depend on institutional support and the strengthening of farmer organisations and MSMEs. Keywords: coconut; closed-loop supply chain; agribusiness; by-products; smallholder farmers.
Evaluation of Tourist Satisfaction Levels in Mangrove Ecotourism Using the Net Promoter Score (NPS) Method Latuni, Fandy Yones; Mandey, Silvya Lefina; Soegoto , Agus Supandi; Kawet, Raymond Christian; Rondonuwu, Christy Natalia; Paat, Franda Benedicta; Datualo, Diane Natalin; Lumi, Isye
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.v6i2.65868

Abstract

This study aims to assess the level of tourist satisfaction with the Darunu Mangrove Ecotourism Village using the Net Promoter Score (NPS) method. This approach was chosen because it is effective in measuring not only tourist satisfaction but also loyalty behavior, which is reflected in tourists' willingness to recommend the destination to others. This study used a quantitative descriptive method involving 100 tourists selected by accidental sampling. Data were obtained through field observations, brief interviews, and a questionnaire using a Likert scale. The findings show that overall tourist satisfaction is in the “good” category, with an average NPS score of 52.7. The highest-ranking indicators are friendly environmental conditions (72), intention to revisit (69), affordability (68), and destination attractiveness (66). Conversely, the facilities (40) and accessibility (48) indicators have the lowest scores, indicating the need for improvements in infrastructure and visitor comfort. The results demonstrate that community involvement and sustainable environmental management play a crucial role in shaping positive tourism experiences. Furthermore, this study provides strategic insights for destination managers and local governments to enhance the development of sustainable mangrove-based ecotourism in the coastal areas of North Minahasa. Keywords: tourist satisfaction, mangrove ecotourism, tourist loyalty, Net Promoter Score (NPS), destination management, sustainable tourism

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