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All Journal EUGENIA Jurnal Agroekoteknologi Terapan AGRI-SOSIOEKONOMI COCOS
Tilda Titah
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Social Sciences

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Study Of Soil Erodibility Using The Erickson Method In The Downstream Of The Kombot Das, Pinolosian District, Bolaang Mongondow Selatan Regency Tindage, Jorly Richarzon; Titah, Tilda; Kamagi, Yani Ezrah Bartolomeus
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.v5i1.55997

Abstract

Watershed is a plain area bounded by hills or mountains that serves to store, accommodate, and drain water from upstream to downstream of the river. Watersheds (DAS) are part of the unity of resources where humans actively use them. In this study, the aspect studied was the condition of the soil texture which aims to determine the erodibility (K) of the soil around the Kombot watershed. This study used survey methods and laboratory analysis to obtain data on soil texture and erodibility (K).The results showed that: 1) The soil erodibility value was very high in the soil sample (1) with a K value of 0.60 at a slope of 0-400 with land use namely moor while soil texture class was dusty clay, 2) The soil erodibility value of low value is found in the soil sample (13) with a K value of 0.17 on slopes 9-140 with plantation land use while the soil texture class is sandy loam, 3) soil texture is a factor that affects the value of soil erodibility (K), because soil texture has sensitivity to erosion. Key words: Kombot watershed, soil erodibility, soil texture Abstrak Daerah Aliran Sungai (DAS) merupakan suatu wilayah dataran yang dibatasi oleh perbukitan atau pegunungan yang berfungsi sebagai tempat menampung, menampung, dan mengalirkan air dari hulu ke hilir sungai. Daerah Aliran Sungai (DAS) merupakan bagian dari kesatuan sumber daya yang dimanfaatkan secara aktif oleh manusia. Dalam penelitian ini aspek yang diteliti adalah kondisi tekstur tanah yang bertujuan untuk mengetahui erodibilitas (K) tanah di sekitar DAS Kombot. Penelitian ini menggunakan metode survei dan analisis laboratorium untuk memperoleh data tekstur dan erodibilitas tanah (K). Hasil penelitian menunjukkan bahwa: 1) Nilai erodibilitas tanah pada sampel tanah sangat tinggi (1) dengan nilai K 0,60 pada kemiringan 0-400 dengan penggunaan lahan yaitu tegalan sedangkan kelas tekstur tanah lempung berdebu, 2) Nilai erodibilitas tanah yang bernilai rendah terdapat pada contoh tanah (13) dengan nilai K sebesar 0,17 pada lereng 9-140 dengan penggunaan lahan perkebunan sedangkan kelas tekstur tanahnya adalah lempung berpasir, 3) tekstur tanah merupakan faktor yang mempengaruhi nilai erodibilitas tanah (K), karena tekstur tanah mempunyai kepekaan terhadap erosi. Kata kunci: DAS Kombot, Erodibilitas Tanah, Tekstur Tanah
Pengaruh Konsentrasi Biourine Untuk Meningkatkan Pertumbuhan Tanaman Kedelai (Glycine max (L.) Merill) Sompotan, Saartje; Tulungen, Antje Grace; Tulung, Stella M. T.; Tumewu, Pemmy; Polii, Maria G.; Doodoh, Beatrix; Raintung, Jeane S. M.; Titah, Tilda; Porong, Jelie V.; Walingkas, Stanley A. F.
AGRI-SOSIOEKONOMI Vol. 20 No. 2 (2024): Agri-Sosioekonomi
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/agrsosek.v20i2.57063

Abstract

The purpose of the research was to study the effect of biourine on soybean plant growth, and to obtain the concentration of biourine that can increase soybean growth. To achieve the objectives, the research was designed using a completely randomized design. The treatments consisted of, A = No Biourine, B = 100 ml biourine/1 liter of water, C = 200 ml biourine/1 liter of water. Each treatment was repeated four times resulting in 12 experimental pots. The parameters observed were the number of leaves and the number of soybean branches. Data were analyzed using analysis of variance and 5% BNT test. The results showed that the application of biourine increased the growth of soybean plants as indicated by plant height and the number of leaves with three branches. The concentration of 100 ml biourine/1 liter of water increased the growth of soybean plants.
Optimizing Shade Level to Improve Vegetative Growth and Shoot Biomass of Patchouli (Pogostemon cablin Benth.) in Tomohon, North Sulawes. Wanget, Sesilia Anita; Tumewu, Pemmy; Tulungen, Antje Grace; Titah, Tilda
Jurnal Agroekoteknologi Terapan (JAT) 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.v7i1.66743

Abstract

Eco-enzyme has been promoted as a low-cost bioactivator for converting organic residues into useful soil amendments, but comparative agronomic evidence across different waste substrates remains limited. This study evaluated eco-enzyme–assisted organic fertilizers prepared from several locally available organic wastes and assessed their effects on chili pepper (Capsicum annuum L.) growth and yield in Kakaskasen, Tomohon City, North Sulawesi, Indonesia, from April to October 2025. A pot experiment was arranged in a completely randomized design with six treatments and four replications (24 experimental units). Eco-enzyme was produced by fermenting fruit peels, sugar, and water (3:1:10) for three months. Organic fertilizers were prepared using eco-enzyme alone or eco-enzyme combined with vegetable waste, fruit waste, market waste, chicken-manure waste, or household organic waste, and were incorporated into the pot medium one week before transplanting at an equivalent rate of 20 t ha⁻¹. Plant height, fruit number per plant, and fresh fruit weight per plant were measured at 100 days after transplanting and analyzed using analysis of variance followed by the least significant difference test at 5%. Organic-waste substrate significantly affected all measured variables. The eco-enzyme + market-waste formulation produced the tallest plants (133.37 cm), the highest fruit number (89.50 fruits plant⁻¹), and the highest mean fresh fruit weight (225.25 g plant⁻¹), markedly exceeding eco-enzyme alone (69.12 cm; 36.75 fruits plant⁻¹; 78.75 g plant⁻¹). Overall, eco-enzyme–activated market-waste fertilizer was the most effective formulation for improving chili growth and yield under the conditions of this pot experiment. Keywords: Capsicum annuum; eco-enzyme; market waste; organic fertilizer; waste valorization
Co-Authors Djoni Kaunang Doodoh, Beatrix Fernando D. Korwa Fernando D. Korwa, Fernando D. Feronicha Efratha Irene R.S. Terok Jailani Husain Jemmy Najoan Jenny J. Rondonuwu John L. Rantung, John L. Joice Supit Joko Purbopuspito Kamagi, Yani Ezrah Bartolomeus Nangoi, Ronny Noviane Stela Tampil Pemmy Tumewu Polii, M. G. M. Polii, Maria G. Porong, Jelie V. R. Mamarimbing, R. Raintung, J. S. M. Raintung, Jeane S. M. Riansen Alva Nangaro saartje Sompotan Sandra E. Pakasi Sandra Pakasi Silwasty Kotu Silwasty Kotu, Silwasty Sompotan, S. Sondakh, T. D. Sumampow, D. M. F. Tindage, Jorly Richarzon Tulung, Stella M. T. Tulungen, Antje Grace Walingkas, Stanley A. F. Wanget, Sesilia Anita Zetly E, Tamod