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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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Breaking the Dormancy of Some Varieties of Papaya (Carica Papaya L.) Soaking KNO3 Solution Saragih, Meylin Kristina; Panataria, Lince Romauli; Sitorus, Efbertias; Manurung, Agnes Imelda
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.3963

Abstract

Dormancy is a state of stopping growth experienced by plants. This research aimed to determine the concentration of KNO3 solution in breaking dormancy in several papaya varieties. The research method used in this research was a completely randomized design (RAL) Factorial with 2 treatment factors. The first factor is variety (V), consisting of V1 = Callina, V2 = California, and V3 = Local. The second factor is the concentration of the KNO3 (K) solution consisting of: K0 = Control, K1 = 10%, K2 = 20% and K3 = 30%. The variables observed were growth synchrony and germination speed index. Data analysis uses analysis of variance. The variables observed were growth synchrony and germination speed index. An analysis of variance was used to test the effect of treatment. To test mean differences between treatments, honest significant difference tests, regression, and correlation were carried out at a test level of 5%. The research results showed that seed variety had a significant effect on growth synchrony and germination speed index. The concentration of KNO3 solution has a significant effect on growth synchrony and germination speed index. The interaction between the variety and concentration of KNO3 solution had no significant effect on all observed parameters.
Response of Pakcoy Plant Growth and Production to the Application of Poc and Manure Panataria, Lince Romauli; Simanjuntak, Pantas; Sitorus, Efbertias; Saragih, Meylin Kristina; Manurung, Agnes Imelda
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.3965

Abstract

Pakcoy (Brassica rapa L.) is a type of vegetable plant is used by people in various dishes because it contains minerals, protein, Vitamin A, Vitamin B, Vitamin B2, Vitamin B6, Vitamin C, potassium, phosphorus, copper, magnesium, iron, carbohydrates and fiber.This research aims to see the effect of giving POC and chicken manure on the growth and production of pakcoy plants. This research was carried out using a factorial Randomized Block Design (RAK) which consisted of two factors, namely the concentration of chicken manure which consisted of 3 levels, namely A0 = 0 kg / plot, A1 = 1 kg / plot, A2 = 2 kg / plot, and A3 = 3 kg / plot. The second factor is the POC dose which consists of 4 levels, namely. E1=10 ml/liter water/m2, E2= 20 ml/liter water/m2 and E3=30 ml/liter water/m2. The results showed that the application of chicken manure had no significant effect on the number of leaves, wet harvest weight per plot, wet harvest weight per hectare, wet sale weight per hectare. The interaction between giving chicken manure and POC had a significant effect on the number of leaves, wet weight of harvest per plot, wet weight of harvest per hectare, wet weight of sale per hectare.
The Effect Plant Media Composition on the Growth and Production Some Varieties Strawberry Sitorus, Efbertias; Sihombing, Parsaoran; Panataria, Lince Romauli; Saragih, Meylin Kristina; Manurung, Agnes Imelda
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.4012

Abstract

This research was conducted in Barus Jahe Village, Barus Jahe District, Karo Regency, North Sumatra, with an altitude of 1,367 meters above sea level. This study aims to determine the effect of the composition of the planting medium and several varieties on the production and growth of strawberry plants. The design used in this research is a Factorial Split Plot Design (RPT), which consists of two factors. The first factor is the main plot, Variety (V), with 3 levels: V1 = California, V2 = Local Bandung, and V3 = Local Brastagi. The second factor is the subplot, namely Planting Media Composition (M), which consists of Soil: Charcoal Husk: Chicken Manure, namely: M1= 1:1:1, M2= 2:1:1, M3= 1:2:1, and M4= 2:1:2.The variables observed were plant height, plant wet weight and plant dry weight, fruit weight and sugar content (Brix). Analysis of variance was used to test the effect of treatment and mean differences between treatments; honest significant difference tests, regression, and correlation were carried out at a test level of 5%. The research results showed that the composition of the planting media had no significant effect on the observed parameters. However, in some varieties, V1 (California) has a substantial impact on fruit weight and sugar content (Brix), and V2 (Local Bandung) has a significant effect on plant height, wet weight, and dry weight.
Edukasi Kesehatan Prostat untuk Meningkatkan Kesadaran Deteksi Dini pada Jemaat GMI Manna Helvetia Medan Anto, Endy Juli; Siahaan, Jekson Martiar; Fauzi, Tengku M.; Normi, Siti; Panjaitan, Maludin; Hutapea, Kenal P.; Panataria, Lince Romauli; Simanjuntak, Pantas; Sihombing, Parsaoran; Saragih, Meylin Kristina; Manurung, Agnes Imelda; Sitorus, Efbertias; Sitorus, Ragnar Oktavianus; Simatupang, Jones T.; Nababan, Manaor Bismar Posman; Simatupang, Aditia Erick Cantona; Sirait, Kilian; Silalahi, Veraci
Jurnal Pengabdian Pada Masyarakat METHABDI Vol 4 No 2 (2024): Jurnal Pengabdian Pada Masyarakat METHABDI
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/methabdi.Vol4No2.pp215-218

Abstract

Prostate disease is a significant health concern affecting men, particularly those over 35 years old. This community service activity aimed to increase knowledge and awareness about prostate disease among the congregation of GMI Manna Helvetia Medan through health education. The methods included educational presentations, motivational sessions, and question-and-answer discussions. The activity was attended by 45 participants aged 35-70 years. Results showed improved participant understanding of prostate disease symptoms, risk factors, and the importance of early detection. About 70% of participants committed to undergo prostate examination within the next 6 months. The educational approach through church community proved effective in delivering sensitive health information and raising awareness about the importance of regular check-ups.
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.
Effect of Watering Time and Liquid Organic Fertilizer Concentration on the Growth and Production of Shallots (Allium Ascalonicum L.) Panataria, Lince Romauli; Saragih, Meylin Kristina; Sitorus, Efbertias
Journal of Agriculture Vol. 3 No. 03 (2024): Research Articles November 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i03.4931

Abstract

Shallot production in Indonesia has not been able to meet market needs due to the scarce availability of subsidized chemical fertilizers. Another alternative to replacing chemical fertilizers can be using Liquid Organic Fertilizer. The aim of this research was to determine the effect of watering time and concentration of liquid organic fertilizer on the growth and production of shallots (Allium ascalonicum L.). The design in this study was a Randomized Block Design (RAK), consisting of 2 treatment factors, namely watering time (W) consisting of 2 treatment levels, namely: W1= 1x1 week, W2= 1x2 weeks and POC concentration (P) consisting of 4 treatment levels namely: P1= 2 ml/240 ml water/plant, P2= 4 ml/240 ml water/plant, P= 6 ml/240 ml water/plant and P4= 8 ml/240 ml water/plant. Data analysis uses analysis of variance, if the treatment factor has a significant effect on the variance test, a mean difference test is carried out using the Duncan Multiple Range Test (DMRT) at 5% level. The results showed that POC watering time had a significant effect on tuber diameter and number of tubers per sample, but had no significant effect on fresh weight of tubers per sample and dry weight of tubers per sample. POC concentration had a significant effect on tuber diameter, number of tubers per sample, fresh weight of tubers per sample and dry weight of tubers per sample.
The Effect of Foliar Fertilizer Application on the Growth and Production of Several Varieties of Mustard Plant (Brassica Juncea L) Sitorus, Efbertias; Sihombing, Parsaoran; Panataria, Lince Romauli; Saragih, Meylin Kristina
Journal of Agriculture Vol. 3 No. 03 (2024): Research Articles November 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i03.4932

Abstract

The study aims to determine the effect of foliar fertilizer on the growth and production of several varieties of mustard greens (Brassica juncea L). This study used a Factorial Randomized Block Design (RAK) consisting of two factors. The first factor is mustard greens varieties (V) consisting of 3 levels: V1 = Tosakan variety, V2 = Shinta variety, and V3 = Dora variety. The second factor is foliar fertilizer (P), consisting of 3 levels: P0 = control, P1 = 2 cc / l of water, and P2 = 4 cc / l of water. The parameters observed in this study were plant height and wet and dry Weight of plants. The results showed that the variety treatment significantly affected plant height, wet Weight and dry Weight of mustard greens. The highest growth and production were obtained in variety V1 (Tosakan), followed sequentially by variety V2 (Shinta) and variety V3 (Dora). Foliar fertilizer treatment significantly affected plant height, wet Weight and dry Weight of mustard greens. The higher the concentration of leaf fertilizer given up to 4 cc/l of water, the higher the growth and production of mustard plants. The interaction between variety treatment and leaf fertilizer concentration had no significant effect on all observed variables.
The Effect of Solid Organic Fertilizer and Liquid Cow Dung Fertilizer on Rice Growth (Oryza Sativa L) Saragih, Meylin Kristina; Panataria, Lince Romauli; Sitorus, Efbertias
Journal of Agriculture Vol. 3 No. 03 (2024): Research Articles November 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i03.4933

Abstract

This research was conducted in Sei Beras Sekata Village, Sunggal District, Deli Serdang Regency, North Sumatra Province. With an altitude of ± 25 meters above sea level. This study aimed to determine the response of rice growth (Oryza sativa L) to the provision of cow manure and liquid fertilizer. The design used was a Randomized Block Design (RAK) Factorial with the main treatment being solid organic fertilizer (A) with three treatments, namely L1 = (660 gr / Plot) 3 tons / Ha, L2 = (1100 gr / Plot) 5 tons / Ha, L3 = (1650gr / Plot) 7.5 tons / Ha. Organic fertilizer 3 treatments, namely, K1 = 2.5cc / liter, K2 = 5cc / liter, K3 = 7cc / liter. The parameters observed in this study were plant height per clump (cm), number of tillers per clump (stem), and number of productive tillers per clump (stem). The study showed that solid organic fertilizer treatment had no significant effect on all parameters. In contrast, liquid organic fertilizer significantly affected the number of productive shoots but did not significantly affect plant height per clump (cm) and number of shoots per clump (stems).
PENGARUH PEMBERIAN PUPUK KANDANG AYAM DAN PENGAPURAN TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG MANIS (Zea mays saccharata sturt) DI TANAH ULTISOL Sitorus, Efbertias; Sihombing, Parsaoran; Panataria, Lince Romauli; Saragih, Meylin Kristina
Agros Journal of Agriculture Science Vol 26, No 1 (2024): Januari
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v26i1.3979

Abstract

This research aims to determine the effect of applying chicken manure and liming on the growth and production of sweet corn (Zea mays saccharatasturt) in ultisol soil. This research was carried out on Jln. Simalingkar B. Sluice Gate IV, IDI Raya I Complex no. 52, Medan Johor District, Kel. Kwala Berkala with an altitude of ± 30 above sea level. This research used a factorial randomized block design (RAK) with 2 treatment factors, namely the type of chicken manure and liming which was repeated 3 times. The first factor in giving chicken manure (A) consists of 4 levels, namely: A0 = no manure (control), A1 = 2 kg/plot (10 tons/ha), A2 = 3 kg/plot (15 tons/ha) and A3 = 4 kg/plot (20 tons/ha). The second factor is the liming dose (P) consisting of 4 levels, namely: P0 = without liming (control), P1 = 200 g/plot (2 tons/ha), P2 = 300 g/plot (3 tons/ha) and P3 = 400 g/plot (4 tons/ha). The results showed that the dose of chicken manure had a significant effect on plant height, stem diameter and number of leaves. Liming has a significant effect on plant height, stem diameter and number of leaves. The interaction of chicken manure dose and liming had no significant effect on plant height, stem diameter, and number of leaves. Key words: manure, liming and sweet corn INTISARIPenelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk kandang ayam dan pengapuran terhadap pertumbuhan dan produksi tanaman jagung manis (Zea mays saccharatasturt) di tanah ultisol. Penelitian ini dilaksanakan di Jln. Simalingkar B. Pintu Air IV, Komplek IDI Raya I no.52, Kec Medan Johor, Kel.Kwala Berkala dengan ketinggian tempat ±30 dpl. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) Faktorial dengan 2 faktor perlakuan, yaitu jenis pupuk kandang ayam dan pengapuran yang diulang 3 kali. Faktor pertama pemberian pupuk kandang ayam (A) terdiri dari 4 taraf, yaitu : A0 = tanpa pupuk kandang (kontrol), A1 = 2 kg/plot (10 ton/ha), A2 = 3 kg/plot (15 ton/ha) dan A3 = 4 kg/plot (20 ton/ha). Faktor kedua adalah dosis Pengapuran (P) terdiri dari 4 taraf, yaitu: P0 = tanpa pengapuran (kontrol), P1 = 200 g/plot (2 ton/ha), P2 = 300 g/plot (3 ton/ha) dan P3 = 400 g/plot (4 ton/ha). Hasil penelitian menunjukkan bahwa dosis pupuk kandang ayam berpengaruh nyata terhadap tinggi tanaman, diameter batang, dan jumlah daun. Pengapuran berpengaruh nyata terhadap tinggi tanaman, diameter batang, dan jumlah daun. Interaksi dosis pupuk kandang ayam dan pengapuran berpengaruh tidak nyata terhadap tinggi tanaman, diameter batang, jumlah daun. Kata kunci :  pupuk kandang, pengapuran dan jagung manis
The Effect of Potassium Fertilizer and Eco-Enzyme on the Growth and Production of Shallots (Allium ascalonicum L.) Saragih, Meylin Kristina; Simanjuntak, Pantas; Panataria, Lince Romauli; Sitorus, Efbertias
Indonesian Journal of Agriculture and Environmental Analytics Vol. 4 No. 1 (2025): January 2025
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijaea.v4i1.12245

Abstract

This study aimed to determine the effect of potassium fertilizer and eco enzyme on the growth and production of Shallots (Allium et al.). The study used a Factorial Randomized Block Design (RAK) with two factors studied. The first factor was KCL fertilizer (K) with four levels, namely: K0 = No Application, K1 = 10 grams/plot (equivalent to 100 kg/ha), K2 = 15 grams/plot (equivalent to 150 kg/ha), K3 = 20 grams/plot (equivalent to 200 kg/ha), The second factor Eco Enzyme (P) 3 levels, namely: P1 = 7 ml/liter of water, P2 = 10 ml/liter of waterP3 = 13 ml/liter of water. The results showed that potassium treatment significantly affected plant height 5 MST but had no significant impact at the ages of 2, 3, and 4 MST and the number of bulbs per sample. Eco-enzyme treatment had no significant effect on plant height or number of bulbs per sample. The interaction between potassium fertilizer and eco-enzyme had no significant effect on plant height and number of tubers 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