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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 207 Documents
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Sustainable Food House Area Development Strategy (KRPL) Agribusiness based in West Tomohon District, Tomohon City Wariki , Barce Andries Feriano; Paat, Frangky
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.v5i1.56246

Abstract

This research aims to determine the strengths, weaknesses, opportunities, threats, and strategies in developing the Food House Area in West Tomohon District, Tomohon City. The research method is the research time from January to April 2023. The data used consists of primary and secondary data. Primary data was obtained from experts, decision-makers, and the public. Secondary data was obtained from related agencies: the Agriculture Service, Food Service, District Office, and Village Office. Sampling was carried out through purposive sampling consisting of 4 respondents, namely the Head of the Agriculture Service, the Head of the Subdistrict, Academics, and people who successfully utilized homestead land. The analysis used consists of Delphi analysis, hierarchy process analysis (AHP), SWOT analysis, and QSPM analysis. The research results show that the influencing factors based on the rating are Yard Land, Labor, Supporting Facilities, business capital, agricultural production facilities, production volume, organic farming, government assistance, product processing, agrarian product marketing, product selling prices pest attacks, and disease. Development strategy in quadrant One which means business expansion strategy. Based on the diversification strategy, the priority is increasing production and marketing. Keywords: area, food, sustainability, yard Abstrak Penelitian ini bertujuan untuk mengetahui faktor kekuatan, kelemahan, peluang dan ancaman serta strategi dalam pengembangan Kawasan Rumah Pangan di Kecamatan Tomohon Barat Kota Tomohon. Metode penelitian yaitu waktu penelitian pada Bulan Januari sampai April Tahun 2023. Data yang digunakan terdiri dari data primer dan sekunder. Data primer diperoleh dari para ahli, pengambil keputusan dan masyarakat. Data sekunder diperoleh dari instansi terkait yaitu Dinas Pertanian, Dinas pangan, Kantor Kecamatan dan Kantor Kelurahan. Pengambilan sampel dilakukan dengan cara purposive sampling yang terdiri dari 4 orang responden yaitu Kepala Dinas Pertanian, Kepala Kelurahan, Akademisi, masyarakat yg sukses dalam pemanfaatan lahan pekarangan. Analisis yang digunakan terdiri dari analisis Delphi, analisys hierarchy prosess (AHP), analisis SWOT dan analisis QSPM. Hasil penelitian menunjukkan faktor-faktor yang berpengaruh berdasarkan ratting yaitu Lahan Pekarangan, Tenaga Kerja, Fasilitas Penunjang, modal usaha, sarana produksi pertanian, jumlah produksi, pertanian organik, bantuan pemerintah, pengolahan hasil, pemasaran hasil pertanian, harga jual produk dan serangan hama dan penyakit. Srategi pengembangan pada kuadran Satu yang berarti strategi ekspansi usaha. Berdasarkan strategi diversifikasi maka yang menjadi prioritas yaitu peningkatan produksi dan pemasaran. Kata kunci: kawasan, pangan, lestari, pekarangan
Development Of Warehouse Pest Sitophilus zeamais Motsch. On Corn Seed Varieties Bisi 18, Jh 37, Lamuru, Pertiwi 3 And Batras 1 In The Laboratory Tambelu, Merry Feiby; Tarore, Dantje; Rimbing, Jimmy; Paat, Frangky J.
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.v5i1.56351

Abstract

Seeds are an important input for increasing corn production and productivity. The use of low-quality seeds causes low corn production. The research aims to determine the development of the S. zeamais pest on corn seeds of varieties Bisi 18, JH 37, Lamuru, Pertiwi 3, and Batras 1. This research used a Completely Randomized (CRD) design with five treatments and three replications. As treatments were 5 varieties of corn seeds, namely Bisi 18, JH 37, Lamuru, Pertiwi 3, and Batras 1. The research method used was the Experimental Method, namely experimental research by researching the influence of the S. zeamais pest on five varieties of corn seeds. The results of variance analysis of differences in S. zeamais populations on corn seeds of the Bisi 18, Jh 37, Pertiwi 3, and Batras 1 varieties showed that the results were not significantly different except for the Lamuru variety which had significant differences. These data show that the Lamuru variety has the highest population of the S. zeamais pest. The high population of the pest S. zeamais on corn seeds of the Lamuru variety compared to other varieties could be caused by the pest being more attracted to the physical condition, nutritional, and chemical content of the seeds. The results of variance analysis of differences in damage between corn seed varieties due to S. zeamais attack showed real and very significant differences, except between the Betras 1 and Pertiwi 3 varieties which were not significantly different. The Lamuru variety has a higher number of damaged or hollow corn seeds compared to other varieties. Differences in the nutrient content and seed hardness of each corn seed variety can cause high damage to the Lamuru variety. Keywords: Warehouse Pests, Sitophilus oryzae, Experimental methods, Pest populations, damage to corn seeds. Abstrak Benih merupakan input penting bagi peningkatan produksi dan produktivitas tanaman jagung. Penggunaan benih dengan mutu rendah menyebabkan produksi jagung rendah. Penelitian bertujuan mengetahui perkembangan hama S. zeamais pada benih jagung varietas Bisi 18, JH 37, Lamuru, Pertiwi 3 dan Batras 1. Penelitian ini menggunakan rancangan Acak Lengkap (RAL) dengan lima perlakuan dan tiga ulangan. Sebagai perlakuan adalah 5 varietas benih jagung yaitu Bisi 18, JH 37, Lamuru, Pertiwi 3 dan Batras 1. Metode penelitian yang digunakan adalah Metode Eksperimen (Experimental Method) yaitu penelitian percobaan dengan melakukan penelitian pengaruh hama S. zeamais pada lima varietas benih jagung. Hasil analisa varians perbedaan populasi S. zeamais pada benih jagung varietas Bisi 18, Jh 37, Pertiwi 3 dan Batras 1 menunjukkan hasil yang tidak berbeda nyata kecuali terhadap varietas Lamuru memiliki perbedaan nyata. Data tersebut menunjukkan bahwa varietas Lamuru memiliki populasi hama S. zeamais tertinggi. Tingginya populasi hama S. zeamais pada benih jagung varietas Lamuru dibandingkan dengan varietas yang lain dapat disebabkan karena hama tersebut lebih tertarik pada keadaan fisik, kandungan nutrisi dan kimia biji benih tersebut. Hasil analisa varians perbedaan kerurasakan antar varietas benih jagung akibat serangan S. zeamais menunjukkan adanya perbedaan yang nyata dan sangat nyata, kecuali antara varietas Betras 1 dan pertiwi 3 tidak berbeda nyata. Varietas Lamuru memiliki jumlah biji benih jagung rusak atau berlubang dibandingkan dengan varietas lain. Tingginya kerusakan pada varietas Lamuru dapat disebabkan karena adanya pembedaan kandungan gisi dan kekerasan biji pada setiap varietas benih jagung. Kata kunci: Hama Gudang, Sitophilus oryzae,Mitode eksperimen, Populasi hama, kerusakan benih jagung
The Effect Of Spraying Enzylaw Liquid Organic Fertilizer (Poc) On Crop Production Allium fistulosum L. Pantow, Wilhelm
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.v5i1.56646

Abstract

This research aims to determine the effect of enzylaw liquid organic fertilizer (POC) on the production of spring onions (Allium fistulosum L.). The research method used was the Completely Randomized Design (CRD) method because the experimental media/materials were homogeneous or uniform. Consists of 6 treatments, as follows; A: Control, B: 1 ml enzyme/1 liter of water, C: 2 ml enzyme/1 liter of water, D: 3 ml enzyme/1 liter of water, E: 4 ml enzyme/1 liter water, F: 5 ml enzyme/1 liter of water. This research activity was carried out from January to March 2023 in Paslaten Village, East Tomohon District. The results of the research showed that the use of Enzylaw liquid organic fertilizer (POC) had an effect on the growth of leek plants. Giving POC enzylaw at a dose of 5 ml of enzyme/1 liter of water produces on average: (1) The highest number of stems (134 stems), (2) Produces the highest average number of leaves, namely 375 leaves, and (3) Produces an average of the highest average wet weight, namely 4823 g. Keywords: liquid organic fertilizer (POC), Enzylaw, Allium fistulosum L. Abstrak Penelitian ini bertujuan untuk mengetahui pengaruh pupuk organik cair (POC) enzylaw terhadap produksi bawang daun (Allium fistulosum L.). Metode penelitian yang digunakan yaitu metode Rancangan Acak Lengkap (RAL), karena media/bahan percobaan homogen atau seragam. Terdiri atas 6 perlakuan, sebagai berikut ;A    : Kontrol, B            : 1 ml enzylaw/1 liter air, C             : 2 ml enzylaw/1 liter air, D              : 3 ml enzylaw/1 liter air, E              : 4 ml enzylaw/1 liter air , F             : 5 ml enzylaw/1 liter air. Waktu kegiatan penelitian ini dilaksanakan pada bulan Januari sampai Maret 2023 di Kelurahan Paslaten Kecamatan Tomohon Timur. Hasil penelitian menunjukkan bahwa penggunaan pupuk organik cair (POC) enzylaw berpengaruh terhadap petumbuhan tanaman bawang daun. Pemberian POC enzylaw dengan dosis 5 ml enzylaw/1 liter air menghasilkan rata-rata: (1) Jumlah batang terbanyak (134 batang), (2) Menghasilkan rata-rata jumlah daun terbanyak, yaitu 375 helai, dan (3) Menghasilkan rata-rata berat basah tertinggi, yaitu 4823 g. Kata kunci: POC, Enzylaw, Allium fistulosum L.
Application of Vegetable Insecticides from (Cymbopogon nardus L. Rendle) Extract Against Major Pests of (Capsicum frutescens L.) in Uuwan Village Maningkas, Praise Frena; Pinaria, Betsy Agustina Naomi; Lengkong, Maxi
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.v5i1.57275

Abstract

This research aims to control insect pests found on chili plants (C. frustescens L.) using the botanical insecticide lemongrass extract (Cymbopogon nardus) which is environmentally friendly and easy to apply by farmers in the field. The design used in this research was a randomized block design consisting of 5 treatments with 4 replications. The 5 treatments include: S0 as a control, S1 spraying once a week, S2 spraying once every 2 weeks, S3 spraying once every 3 weeks, and S4 spraying once every 4 weeks. Each experimental plot consisted of 30 chili plants. The research results found 4 types of pests on chili plants, namely, A. gossypi, B. tabaci, S. Litura, and M. Persicae. Compounds in citronella extract can repel or inhibit the growth of pests on Capsicum frutescens. The 2-week interval of spraying vegetable pesticide with Cymbopogon nardus extract has a significant effect on the pests Bemisia tabaci, Aphis gossypi and Myzus persicae. Keywords: Vegetable insecticide, Capsicum frustescent, Cymbopogon nardus, major pests Abstrak Penelitian ini bertujuan untuk mengendalikan hama serangga yang terdapat pada tanaman cabai (C. frustescens L.) menggunakan insektisida nabati Ekstrak Serai Wangi (Cymbopogon nardus) yang ramah terhadap lingkungan dan mudah diterapkan oleh petani di lapangan. Rancangan yang digunakan pada penelitian ini adalah rancangan acak kelompok yang terdiri dari 5 perlakuan dengan 4 kali ulangan. 5 perlakuan diantaranya : S0 sebagai control, S1 penyemprotan dilakukan 1 kali seminggu, S2 penyemprotan dilakukan 2 minggu 1 kali, S3 penyemprotan dilakukan 3 minggu 1 kali dan S4 penyemprotan dilakukan 4 minggu 1 kali. Setiap plot percobaan terdiri dari 30 tanaman cabai. Hasil penelitian ditemukan 4 jenis hama pada tanaman cabai yaitu, A. gossypi, B. tabaci, S. Litura dan M. Persicae. Senyawa pada ekstrak serai wangi dapat menolak atau menghambat pertumbuhan hama pada tanaman Capsicum frutescens. Interval waktu tiap 2 minggu penyemprotan pestisida nabati ekstrak Cymbopogon nardus berpengaruh nyata terhadap hama Bemisia tabaci, Aphis gossypi dan Myzus persicae. Kata Kunci: Insektisida nabati, Capsicum frustescens, Cymbopogon nardus, Hama utama
Entomopathogenic Fungi Efficacy Test Beauveria bassiana (Bals) Vuill on Spodoptera exigua (Hubner) Larvae Mortality in Scallion Plants Manurung, Putra; Tarore, Dantje; Paat, Frangky J.; Watung, Jackson F.
Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal) 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.v7i1.52173

Abstract

Spodoptera exigua, a member of the Lepidoptera order and the Noctuidae family, has the ability to rapidly attack leek plants (Allium fistulosum L.). The goal of this study was to use B. bassiana on A. fistulosum to determine the death rate of S. exigua larvae. A completely randomized design (CRD) was used, with four treatments: P0 (control), P1 (conidia concentration 106/ml), P2 (conidia concentration 107/ml), and P3 (conidia concentration 108/ml). Repeat four times. Each replication consisted of ten larvae. A total of 160 S. exigua larvae were required. The observation findings showed that each concentration had a different LT50 value. Based on the LT50 data, treatment with a concentration of 108/ml effectively suppressed 50% of the larvae within 4 days. Significant temporal differences were detected for each conidia concentration. On the fourth day after application, a high mortality rate was observed in treatment P3 (conidia concentration of 108/ml), indicating a consistent daily larval mortality rate. The attack intensity reached 30% in just four days with a conidia concentration of 108/ml (P3), followed by P2 (107/ml) and P1 (106/ml). The mortality rate of S. exigua larvae increases linearly with conidia concentration. Keywords: Spodoptera exigua, Beauveria bassiana, Allium fistulosum L.   Abstrak. Spodoptera exigua tergolong ordo Lepidoptera, famili Noctuidae. S. exigua dapat menyerang tanaman tanaman bawang daun (Allium fistulosum L.) dengan cepat dalam waktu yang singkat. Tujuan penelitian ini adalah aplikasi B. bassiana pada A. fistulosum untuk mendapatkan tingkat mortalitas larva S. exigua. Completely randomized design (RAL) 4 perlakuan, terdiri atas: P0 (control), P1 (konsentrasi konidia 106/ml), P2 (konsentrasi konidia 107/ml), dan P3 (konsentrasi konidia 108/ml). Ulangan empat kali. Sampel disetiap ulangan terdiri atas 10 larvae. Total larvae yang diperlukan yaitu sebanyak 160 larva S. exigua. Hasil pengamatan mengindikasikan bahwa setiap konsentrasi memiliki nilai LT50 yang bervariasi. Dari data LT50 yang diperoleh, perlakuan dengan konsentrasi 108/ml sangat cepat mengendalikan 50 persen larvae dalam waktu 4 hari. Perbedaan waktu signifikan disetiap konsentrasi konidia yang diterapkan. Pada hari keempat setelah aplikasi, tingkat mortalitas yang signifikan terjadi pada perlakuan P3 (konsentrasi konidia 108/ml), menunjukkan tingkat mortalitas larva yang stabil setiap harinya. Intensitas serangan mencapai 30% hanya dalam empat hari dengan penggunaan konsentrasi konidia 108/ml (P3), selanjutnya P2 (konidia 107/ml), dan P1 (konidia 106/ml). Semakin tinggi konsentrasi konidia linier terhadap mortalitas level larva S. exigua. Kata kunci: Spodoptera exigua, Beauveria bassiana, Allium fistulosum L.
Types And Populations of Pests on Cabbage Plants Which Are Planted Intercropping with Mustard Greens Refugia Wanta, Noni N.; Dumalang, Sherlij; Paat, Frangky J.; Paruntu, Meisye H. B.
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.v6i2.52482

Abstract

The purpose of this study is to determine the types and populations of pests in cabbage plants planted intercropping with mustard greens in Kakaskasen I Village, Tomohon City. The research method used is a survey method on experimental land made without the use of pesticides. Data collection was carried out on 3 observation plots with the number of sample plants in each plot was 30 plants. Observation of pest types and populations on cabbage plants is carried out every 2 weeks from the age of cabbage plants 2 weeks after planting to harvest. The data obtained were analyzed descriptively about the types and populations of pests in cabbage plants. The results of this study found that the main pests that attack cabbage plants that are planted intercropped with mustard greens are Plutella xylostella and Crocidolomia binotalis. The population of P. xylostella pests in cabbage plants is low on average ranging from 0.002 to 0.067 larvae/plant, while the population of C. binotalis pests is high with an average range of 0.056 to 1,422 larvae per plant. It is necessary to preserve the parasitoid D. semiclausum to control the pest of P. xylostella and find environmentally friendly pest control solutions of C. binotalis to produce healthy cabbage production. Keywords: Cabbage, Mustard greens, Population, Pests, Parasitoid Abstrak. Tujuan dari penelitian ini adalah untuk mengetahui jenis dan populasi hama pada tanaman kubis yang ditanam tumpangsari dengan refugia sawi hijau di Desa Kakaskasen I Kota Tomohon.  Metode penelitian yang digunakan adalah metode survei pada lahan percobaan yang dibuat tanpa menggunakan pestisida.  Pengambilan data dilakukan pada 3 plot pengamatan dengan jumlah tanaman sampel masing-masing plot adalah 30 tanaman.  Pengamatan jenis dan populasi hama pada tanaman kubis dilakukan setiap 2 minggu sekali sejak tanaman kubis berumur 2 minggu setelah tanam sampai panen. Data yang diperoleh dianalisa secara deskriptif tentang jenis dan populasi hama pada tanaman kubis. Hasil penelitian ini ditemukan hama utama yang menyerang tanaman kubis yang ditanam tumpang sari dengan refugia sawi hijau adalah hama Plutella xylostella dan Crocidolomia binotalis.   Populasi hama P. xylostella pada tanaman kubis rendah berkisar rata-rata 0.002 – 0.067 larva/tanaman, sedangkan populasi hama C. binotalis tinggi dengan rata-rata berkisar 0.056 sampai 1.422 larva per tanaman.  Perlu melestarikan parasitoid D. semiclausum untuk mengendalikan hama P. xylostella dan mencari solusi pengendalian hama C. binotalis yang ramah lingkungan untuk menghasilkan produksi kubis yang sehat. Keywords: Kubis, Sawi Hijau, Refugia, Hama, Parasitoid
Effects of Polyembryonic Seed Types on Early Seedling Growth of Duku (Lansium domesticum Corr) Walingkas, Stanley A. F.; Tumewu, Pemmy; Rantung, Meity R.; Sintaro, Sanriomi; Paat, Frangky J.
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.v6i2.58464

Abstract

Duku (Lansium domesticum Corr.) is an important tropical fruit tree in Indonesia, but the supply of uniform and vigorous planting material for orchard establishment remains limited. Polyembryony in duku seeds offers a potential source of clonal seedlings, yet the effects of different polyembryonic seed types and handling methods on seedling vigor are not well documented. This study evaluated early seedling growth of duku derived from zygotic and polyembryonic seeds under farmer managed nursery conditions in Eris Village, North Sulawesi. A randomized complete block design was used with five seed treatments and four replications: zygotic seed with a single embryo (Z1), intact polyembryonic seeds with two embryos (PU2), intact polyembryonic seeds with three embryos (PU3), polyembryonic seeds cut into two sections (PB2), and polyembryonic seeds cut into three sections (PB3). At the end of the nursery phase, number of leaves, plant height, stem diameter, leaf area, and root weight were recorded and analyzed by analysis of variance followed by the least significant difference test at the five percent level. Seed type significantly affected all traits. Zygotic seeds produced seedlings with the highest leaf number, plant height, stem diameter, leaf area, and root weight. Seedlings from cut polyembryonic seeds (PB2 and PB3) showed intermediate performance, with stem diameter and root weight close to those of zygotic seedlings. In contrast, seedlings from intact polyembryonic seeds with three embryos (PU3) had the lowest leaf number, leaf area, and root weight. These findings indicate that zygotic seeds remain the best option for producing vigorous duku seedlings, while sections of polyembryonic seeds, especially PB2 and PB3, can provide acceptable alternatives when zygotic seeds are limited or when clonal propagation is desired.   Keywords: duku; Lansium domesticum; polyembryonic seeds; seedling vigor; rootstock; nursery management
Digital Transformation And Omnichannel Strategies In Indonesian Agricultural Retail: A Technology Organization Environment Perspective Kawet, Raymond Christian; Raintung, Michael Ch.; Mandey, Silvya Lefina; Soegoto , Agus Supandi; Paat , Franda Benedicta; Rondonuwu, Christy Natalia
Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal) 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.v7i1.62153

Abstract

Digitalisation is reshaping how agricultural products and farm inputs move along value chains, yet the role of agricultural retailers in this process remains underexplored. This study investigates digital transformation and omnichannel strategies in Indonesian agricultural retail, focusing on agro input shops and agrifood outlets that combine physical stores with digital channels such as social media, marketplaces, and websites. Guided by the Technology Organization Environment framework, it analyses how technological, organisational, and environmental factors influence omnichannel adoption, identifies key barriers, and examines perceived effects on business performance. A mixed method design is employed: in the qualitative phase, semi structured interviews with owners and managers explore current digital practices, drivers, and obstacles and inform the development of a structured questionnaire; in the quantitative phase, survey data from agricultural retailers in several Indonesian regions are analysed using partial least squares structural equation modelling. The results indicate that all three Technology Organization Environment dimensions have positive and significant relationships with the degree of omnichannel adoption. The study also finds important barriers, including limited rural digital and logistics infrastructure, seasonal demand patterns, perceived high costs of integrated systems, gaps in digital skills and confidence, and difficulties in integrating data and processes across platforms. Higher levels of omnichannel adoption are associated with improved perceived sales, customer relationships, and operational efficiency. Overall, the findings suggest that well-designed omnichannel strategies can strengthen the intermediary role of agricultural retailers and support more efficient and inclusive agricultural marketing systems in Indonesia. Keywords: Digital transformation; Omnichannel retail; Agricultural retail; Agrifood sector; Technology Organization Environment (TOE); Indonesia
Analysis of Well Water Quality in The Sumompo Manado Landfill Ogie, Tommy; Nurmawan, Wawan; Walangitan, Hengki D.
Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal) 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.v7i1.62491

Abstract

The purpose of this study is to assess the quality of well water near the Sumompo Final Processing Site (TPA) in Manado. The method used involves in-situ measurements and laboratory analysis at the Manado Industrial Standardization and Services Center Laboratory on well water samples around the Sumompo TPA. Well water sampling was carried out at four different locations, which were classified based on distance from the TPA: sample A: 0 - <100 m, sample B: 100 - <200 m, sample C: 200 - <300 m, and Sample D: 300 - <400 m. The water quality parameters tested included physico-chemical and microbiological parameters, namely Temperature, pH, Total Dissolved Solids (TDS), Nitrate, Nitrite, Ammonia, Dissolved Lead, Dissolved Iron, and E. Coli. The quality standards used for comparison refer to the Minister of Health Regulation (Permenkes) Number 2 of 2023, Permenkes Number 32 of 2017 and Permenkes Number 492 of 2010. Laboratory test results showed that the temperature parameters of all samples were still within the quality standard range (27–33°C), with values ​​between 29–30°C. The pH value was generally close to the lower limit, where only sample A (pH 7) met the quality standard (6.5–8.5), while samples B, C, and D (pH 6) were slightly below the standard. The TDS value showed that only sample A (846 mg/l) exceeded the threshold of <300 mg/l. For nitrate (NO₃⁻) content, samples B (26 mg/l) and D (46 mg/l) exceeded the 20 mg/l quality standard, while nitrite (NO₂⁻) were all still below the maximum limit of 3 mg/l. The concentrations of ammonia (NH₃), lead (Pb), and iron (Fe) in all samples were still within the safe threshold according to the applicable Ministry of Health Regulation standards. However, the results of the E. coli analysis showed significant microbiological contamination, with all samples containing E. coli far above the tolerance limit of 0 CFU/100 ml, especially in sample D (6,455 CFU/100 ml). Based on the Pollution Index (IP) calculation, all well water samples were classified as severely polluted: sample A showed an IP of 14.91, sample B reached 17.91, sample C was 12.86, and sample D (the furthest) recorded the highest IP value, namely 22.29. With a water quality status of being heavily polluted (IP > 10), the well water around the Sumompo TPA is not suitable for consumption. Keywords: Well water quality, Sumompo landfill, water pollution, pollution index Abstrak. Penelitian ini bertujuan untuk menganalisis kualitas air sumur yang berada di sekitar Tempat Pemrosesan Akhir (TPA) Sumompo, Manado. Metode yang digunakan melibatkan pengukuran in-situ dan analisis laboratorium di Laboratorium Balai Standarisasi dan Pelayanan Jasa Industri Manado terhadap sampel air sumur di sekitar TPA Sumompo. Pengambilan sampel air sumur dilakukan di empat lokasi berbeda, yang diklasifikasikan berdasarkan jarak dari TPA: sampel A: 0 - <100 m, sampel B: 100 - <200 m, sampel C: 200 - <300 m, dan Sampel D: 300 - <400 m. Parameter kualitas air yang diuji meliputi parameter fisika-kimia dan mikrobiologi, yaitu Suhu, pH, Total Padatan Terlarut (TDS), Nitrat, Nitrit, Amonia, Timbal terlarut, Besi terlarut, dan E. Coli. Baku mutu yang digunakan untuk perbandingan mengacu pada Peraturan Menteri Kesehatan (Permenkes) Nomor 2 Tahun 2023, Permenkes Nomor 32 Tahun 2017 dan Permenkes Nomor 492 Tahun 2010. Hasil uji laboratorium menunjukkan parameter suhu seluruh sampel masih berada dalam kisaran baku mutu (27–33°C), dengan nilai antara 29–30°C. Nilai pH umumnya mendekati batas bawah, di mana hanya sampel A (pH 7) memenuhi baku mutu (6,5–8,5), sedangkan sampel B, C, dan D (pH 6) berada sedikit di bawah standar. Nilai TDS menunjukkan bahwa hanya sampel A (846 mg/l) melebihi ambang batas <300 mg/l. Untuk kandungan nitrat (NO₃⁻), sampel B (26 mg/l) dan D (46 mg/l) melebihi baku mutu 20 mg/l, sedangkan nitrit (NO₂⁻) seluruhnya masih di bawah batas maksimum 3 mg/l. Konsentrasi amonia (NH₃), timbal (Pb), dan besi (Fe) pada seluruh sampel masih berada dalam ambang batas aman sesuai standar Permenkes yang berlaku. Namun demikian, hasil analisis terhadap E. coli menunjukkan pencemaran mikrobiologis yang signifikan, dengan seluruh sampel mengandung E. coli jauh di atas batas toleransi 0 CFU/100 ml, terutama pada sampel D (6.455 CFU/100 ml). Berdasarkan perhitungan Indeks Pencemaran (IP) seluruh sampel air sumur diklasifikasikan sebagai tercemar Berat: sampel A menunjukkan IP 14,91, sampel B mencapai 17,91, sampel C sebesar 12,86, dan sampel D (terjauh) mencatat nilai IP tertinggi, yaitu 22,29. Dengan status mutu air tercemar berat (IP > 10), air sumur di sekitar TPA Sumompo tersebut tidak layak digunakan untuk dikonsumsi. Kata kunci : Kualitas air sumur, TPA Sumompo, pencemaran air, indeks pencemaran
The Effect of MKP Fertilizer and Varieties on the Growth and Yield of Okra (Abelmoschus esculentus L.) Patria Hannyvone, Irene; Yulianti, Fitri; Kalsum, Ummu
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.v6i2.63550

Abstract

This study evaluated the effects of mono potassium phosphate (MKP) fertilizer and okra varieties on plant growth and yield. A randomized complete block design (RCBD) with two factors was employed: MKP fertilizer at four concentrations (0, 6, 9, and 12 g/L) and two okra varieties (Green Okra Naila IPB and Red Okra Zahira IPB). Growth and yield parameters observed included plant height, leaf number, stem diameter, flowering time, fruiting time, harvest time, fruit length, fruit diameter, fruit weight, fruit number, fresh weight, and dry weight. Results indicated that 6 g/L MKP accelerated flowering, fruiting, and harvesting, while 0 g/L produced the highest leaf number at 10 weeks after planting. The Green Okra Naila IPB variety exhibited a longer harvest period but higher yield. The optimal treatment combination was 12 g/L MKP with the Green Okra Naila IPB variety. A significant interaction between MKP fertilizer and variety was found for fruit weight. Keywords: Green okra, red okra, fertilization, variety, yield. Abstrak. Penelitian ini bertujuan untuk menganalisis pengaruh pupuk MKP (Mono Kalium Phosphate) dan varietas terhadap pertumbuhan dan hasil tanaman okra. Penelitian ini menggunakan Rancangan Kelompok Lengkap Teracak (RKLT) dua faktor. Faktor pertama yaitu pupuk MKP yang terdiri dari empat konsentrasi (0, 6, 9, dan 12 g/L air). Faktor kedua yaitu varietas okra yang terdiri atas dua varietas (Okra Hijau Varietas Naila IPB dan Okra Merah Varietas Zahira IPB). Parameter yang diamati meliputi tinggi tanaman, jumlah daun, diameter batang, umur berbunga, umur berbuah, umur panen, panjang buah, diameter buah, berat buah, jumlah buah, bobot segar tanaman, dan bobot kering tanaman. Hasil dari penelitian ini adalah pupuk MKP 6 g/L mempercepat umur berbunga, umur berbuah, dan umur panen, dan 0 g/L memberikan jumlah daun tertinggi pada 10 MST. Okra Hijau Varietas Naila IPB memiliki umur panen lebih lambat namun hasil lebih banyak. Kombinasi perlakuan terbaik diperoleh pada perlakuan pupuk MKP 12 g/L dan Okra Hijau Varietas Naila IPB. Terjadi interaksi antara pupuk MKP dan varietas terhadap parameter berat buah. Kata kunci: Okra hijau, okra merah, pemupukan, varietas, hasil

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