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Efbertias Sitorus
Universitas Methodist Indonesia
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Physics Public Health Social Sciences

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Optimization of Shallot Growth and Production through Cow Manure Application and Eco Farming: Allium ascalonicum L. Efbertias Sitorus; Pantas Simanjutak; Lince Romauli Panataria; Meylin Kristina Saragih; Rio Adesta Hutauruk
Tumbuhan : Publikasi Ilmu Sosiologi Pertanian Dan Ilmu Kehutanan Vol. 2 No. 2 (2025): Mei : Tumbuhan : Publikasi Ilmu Sosiologi Pertanian Dan Ilmu Kehutanan
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/tumbuhan.v2i2.326

Abstract

This study aims to determine the effect of cow manure and liquid organic fertilizer eco farming on the growth and production of shallots (Allium ascalonicum L.). This research method uses a Factorial Randomized Block Design (RAK) consisting of 2 factors. The first factor is cow manure (P) consisting of 4 treatment levels, namely: P0 = Control (Without Compost), P1 = 0.5 kg/plot (5 tons/ha), P2 = 1.0 kg/plot (10 tons/ha) and P3 = 1.5 kg/plot (15 tons/ha). The second factor: Eco Farming consists of 3 treatment levels: C1 = 150 ml/plot, C2 = 250 ml/plot, and C3 = 350 ml/plot. The study's results showed that the provision of cow manure significantly affected plant height, number of leaves, wet weight of tubers per sample, and wet weight of tubers per plot. Providing eco farming impacts plant height, number of leaves, dry weight of tubers per sample, and wet weight of tubers per plot. The interaction between cow manure and eco farming had no significant effect on plant height, number of leaves, dry weight of tubers per sample, and wet weight of tubers per plot.
The Effect Of Concentration and Duration Of Coconut Water Soaking On the Growth Of Oil Palm Seeds in Pre-Nursery (Elaeis Guineensis Jacq.) Lince Romauli Panataria; Agnes Imelda Manurung; Efbertias Sitorus; Meylin Kristina Saragih
Botani : Publikasi Ilmu Tanaman dan Agribisnis Vol. 2 No. 2 (2025): : Botani : Publikasi Ilmu Tanaman dan Agribisnis
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/botani.v2i2.305

Abstract

This study aims to determine the effect of soaking time and coconut water concentration on the dormancy breaking of oil palm seeds (Elaeis guineensis Jacq.). This study used a Factorial Completely Randomized Design with two factors. The first factor is the concentration of coconut water (A): A1 = 25% coconut water/liter of water, A2 = 50% coconut water/liter of water, and A3 = 75% coconut water/liter of water. The second factor is the soaking time (L): L1 = 30 minutes, L2 = 60 minutes, and L3 = 90 minutes. Data analysis was conducted using variance analysis and Duncan's test. The results showed that the concentration of coconut water significantly affected germination power, germination age, plant height, and the number of leaves of oil palm seedlings. A 75% concentration of coconut water produced the best dormancy breaking of oil palm seeds. The soaking time in coconut water solution also significantly affected germination power, germination age, plant height, and the number of leaves of oil palm seedlings. A soaking time of 90 minutes resulted in the best dormancy breaking of oil palm seeds. The interaction between coconut water concentration and soaking time significantly affected the germination power of oil palm seeds. This study provides important information on the optimal soaking conditions to improve dormancy breaking success, which can be used to accelerate the germination and growth of oil palm seedlings.
Effects of Planting Distances and Organic Fertilizer Concentrations on Growth and Yield of Red Onion Plants (Allium ascalonicum L.) Lince Romauli Panataria; Sri Pratiwi Aritonang; Efbertias Sitorus; Meylin Kristina Saragih
Jurnal Riset Rumpun Ilmu Tanaman Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Tanaman
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrit.v4i1.4446

Abstract

This study aims to determine the effect of planting distance and concentration of liquid organic fertilizer on the growth and production of shallots (Allium ascalonicum L.). This study used a Randomized Block Design (RAK) with two treatment factors: planting distance and concentration of liquid organic fertilizer. The treatment factors are as follows: Factor I: Planting Distance (J) consists of 3 treatment levels: J1 = 15 cm x 15 cm; J2 = 20 cm x 20 cm, and J3 = 25 cm x 25 cm. Factor II: Concentration of liquid organic fertilizer (V) consists of 4 treatment levels, namely: V1 = 2 ml / 240 ml of water; V2 = 4 ml / 240 ml of water; V3 = 6 ml / 240 ml of water and V4 = 8 ml / 240 ml of water. Data analysis was done using variance analysis and Duncan’s test. The results showed that planting distance significantly affected the number of leaves, bulb diameter per sample, and fresh bulb weight per sample but had no significant effect on flowering age. POC concentration significantly affected flowering age, tuber diameter per sample, and fresh tuber weight per sample but did not significantly affect plant height and number of leaves. The interaction between planting distance and POC concentration did not significantly affect all observed parameters.
Appplication of Biochar and Rice Husk Ash to sulfur Absorption, Growth and Production of Shallots Plant (Allium ascalonicum L.) Aritonang, Sri Pratiwi; Sianipar, Ebsan Marihot; Sitorus, Efbertias; Sianturi, Pahala LL
Jurnal Penelitian Pendidikan IPA Vol 11 No 6 (2025): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i6.11115

Abstract

Soil fertility decline and sulfur deficiency are major constraints in shallot (Allium ascalonicum L.) cultivation, especially in sandy soils with low cation exchange capacity. Biochar and rice husk ash are potential soil amendments known to improve soil structure, nutrient availability, and crop productivity. This study aimed to determine the effect of rice husk biochar and rice husk ash on the growth, yield, and sulfur uptake of shallots. A factorial experiment was conducted using a Randomized Group Design (RGD) with two factors: biochar and rice husk ash, each at three dose levels. Results showed that biochar application improved the number of leaves, number of tillers, and bulb weight per unit, while rice husk ash had a limited effect, mainly enhancing leaf number at early growth. No significant interaction between the two amendments was observed across measured parameters, including sulfur uptake. These findings suggest that biochar contributes more effectively to shallot growth and yield than rice husk ash under the tested conditions. Further studies are recommended to optimize the combined use of organic amendments and to explore their long-term effects on soil nutrient dynamics and crop performance.
The Effect of Chicken Manure and SNN (Super Natural Nutrition) Liquid Organic Fertilizer Application on Sweet Corn Growth and Production (Zea mays L. saccaharata Sturt) Saragih, Meylin Kristina; Simanjuntak, Pantas; Panataria, Lince Romauli; Sitorus, Efbertias
Indonesian Journal of Agriculture and Environmental Analytics Vol. 4 No. 2 (2025): July 2025
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijaea.v4i2.14186

Abstract

This study aims to determine the effect of applying chicken manure and liquid organic fertilizer.SNN(super natural nutrition) on the growth and production of corn plants (Zea mays saccharata Sturt). This study used a Factorial Randomized Block Design (RAK) with two factors. The first factor is Liquid Organic FertilizerSNNconsists of 3 (three) levels: S0 = Control, S1 = 3 ml/l of water per plot, and S2 = 5 ml/l of water per plot. The second factor is chicken manure consisting of 4 (four) levels: A1 = 1 kg/plot (7 tons/ha), A2 = 1.5 kg/plot (10 tons/ha), A3 = 2 kg/plot (13 tons/ha) and A4 = 2.5 kg/plot (16.5 tons/ha). The study's results showed that the treatment of liquid organic fertilizers 5 ml/l of water per plot significantly affected plant height, stem diameter, and weight of cob with husk per plant. Chicken manure 2.5 kg/plot had no significant effect on plant height, stem diameter, or weight of cobs with husks per plant. Interaction between liquid organic fertilizer and chicken manure sometimes had no significant effect on all observed parameters.
Efforts to Accelerate the Breaking of Soursop (Annona Muricata L.) Seed Dormancy with Different Concentrations of H2SO4 and Giberellin Sitorus, Efbertias; Panataria, Lince Romauli; Manik, Arni Meilina; Saragih, Meylin Kristina; Simanjuntak, Crystina
Indonesian Journal of Agriculture and Environmental Analytics Vol. 4 No. 2 (2025): July 2025
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijaea.v4i2.14208

Abstract

This study aims to accelerate the dormancy breaking of soursop seeds (Annona muricata L.) with different csoncentrations of H2SO4 and Gibberellin. This study used a Completely Randomized Design (RAL) factorial. This study used two factors. The first factor is the concentration of H2SO4 consisting of 4 levels, namely: A0 = Control (No Treatment), A1 = H2SO4 15% (10 minutes), A2 = H2SO4 30% (10 minutes), and A3 = H2SO4 45% (10 minutes). The second factor is the concentration of Gibberellin (GA3), consisting of 3 levels, namely: G1 = 200 ppm (12 hours), G2 = 300 ppm (12 hours), and G3 = 400 ppm (12 hours)—data analysis was done using variance analysis and Duncan's test. The results showed that the concentration of H2SO4 significantly affected germination power and germination age. Gibberellin concentration had a significant effect on germination power and germination age. The interaction of H2SO4 concentration and Gibberellin concentration had no significant effect on germination power or germination age.
PENGARUH PEMBERIAN PUPUK KANDANG AYAM DAN POC TERHADAP PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium cepa L.) Simanjuntak, Pantas; Sitorus, Efbertias; Panataria, Lince Romauli; Sianturi, Martius Tandem; Saragih, Meylin Kristina
Majalah Ilmiah METHODA Vol. 13 No. 2 (2023): Majalah Ilmiah METHODA
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/methoda.Vol13No2.pp115-125

Abstract

This study aims to determine the effect of chicken manure and liquid organic fertilizer on shallots (Allium cepa L.). This study used a Randomized Group Design (RAK) with 2 factors. The first factor is chicken manure consisting of 4 levels, namely: K0 = Control (without treatment), K1 = 1.83 kg/plot (equivalent to 15 tons/Ha), K2 = 2.44 kg/plot (equivalent to 20 tons/Ha) and K3 = 3.05 kg/plot (equivalent to 25 tons/Ha). The second factor is POC consisting of 3 levels, namely: P1 = 3 ml/240ml water/plant, P2 = 6 ml/240ml water/plant and P3 = 9 ml/240ml water/plant. Data analysis used analysis of variance and Duncan test. The results showed that chicken manure had a significant effect on plant height, number of leaves, number of tubers per sample, number of tubers per plot, wet tuber weight per sample, wet tuber weight per plot, dry tuber weight per sample and dry tuber weight per plot. Increasing the dose of manure will increase the growth and production of shallot plants. Chicken manure has a significant effect on plant height, number of leaves, dry bulb weight per sample and dry bulb weight per plot, but has no significant effect on the number of bulbs per sample, number of bulbs per plot, wet bulb weight per sample, wet bulb weight per plot. Chicken manure had a significant effect on the dry weight of bulbs per plot, but had no significant effect on plant height, number of leaves, number of bulbs per sample, number of bulbs per plot, wet bulb weight per sample, wet bulb weight per plot and dry bulb weight per sample.
Co-Authors Adventus Leo Gohan D.S Agnes Imelda Manurung Chichi J. Manalu Ebsan Marihot Sianipar Ebsan Sianipar Endy Juli Anto Ernitha Panjaitan Fauzi, Tengku M. Harianda Sembiring Helena Tatcher Pakpahan Hutapea, Kenal P. Jones Simatupang Jose Sitorus Laksono Trisnantoro Lamria Sidauruk Lince R. Panataria Lince Romauli Panataria Lince Romauli Panataria Maludin Panjaitan Manik, Arni Meilina Meylin Kristina Saragih Meylin Kristina Saragih Meylin Saragih Nababan, Manaor Bismar Posman Nobel Pakpahan, Helena Panataria, Lince Romauli Pantas Simanjuntak Pantas Simanjutak R. Lubis Rio Adesta Hutauruk Saragih, Meylin SARAGIH, MEYLIN KRISTINA Sembiring, Harianda Siahaan, Jekson Martiar Sianipar, Ebsan Sianturi, Martius Tandem Sianturi, Pahala LL Sihombing, Parsaoran Sihombing, Parsaoran Silalahi, Veraci Simanjuntak, Crystina Simanjuntak, Pantas Simatupang, Aditia Erick Cantona Sirait, Kilian Siti Normi, Siti Sitorus, Ragnar Oktavianus Sri Pratiwi Aritonang Sri Pratywi