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Ali Rahmat
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Research and Social Study Institute (RESSI) Prenggan, Kotagede, Kota Yogyakarta, Daerah Istimewa Yogyakarta 55172
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Open Global Scietific Journal
Published by Research and Social Study Institute
ISSN : -     EISSN : 29617952     DOI : https://doi.org/10.33292/ogsj.v1i2.8
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Open Global Scietific Journal (OGSJ) is a periodical publication from the IResearch and Social Study Institute (RESSI). Published semiannually, the journal has a goal to be a means of communication and dissemination of research results in Agriculture Sciences. Start Vol 1 Issue 2 Open Global Scientific Journal will publishes research articles, reviews/mini-reviews and letters in all areas of agricultural science. Topics covered include: 1. Agronomy 2. Plant breeding 3. Agricultural biotechnology (including tissue culture, molecular markers, molecular diagnostics, vaccines, genetic engineering, genome editing as well as synthetic biology) 4. Crop physiology and agroecology 5. Soil science and agroclimatology 6. Agricultural economics and rural sociology 7. Sustainable systems 8. Crop protection and Cultivation 9. Pharmacognosy and Pharmaceutical Development 10. Environmental implications of agricultural land 11. Environmental Sciences, including prevention and correction of adverse environmental effects (e.g., soil degradation, waste management, bioremediation)
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 38 Documents
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Growth responses of sacha inchi (Plukenetia volubilis L.) to eco-enzyme and arbuscular mychorriza treatments on inceptisol Rosnina A G; Zurrahmi Wirda; Baidhawi Baidhawi; Sutiharni Sutiharni; Ali Rahmat
Open Global Scientific Journal Vol. 2 No. 2 (2023): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v2i2.23

Abstract

The sacha inchi plant (Plukenetia volubilis L.) produces seeds with high protein content that are beneficial for human health. The planting of sacha inchi on sub-optimal land, such as inceptisol soil, requires eco-enzyme, an organic fertilizer made from environmentally friendly fermented fruit waste. In addition, the use of biological agents, such as arbuscular mycorrhiza, can increase the plant’s ability to absorb macronutrients, such as potassium and phosphorus, from the soil. This study aims to determine the effect of eco-enzyme and mycorrhiza treatments on the growth of sacha inchi plants on inceptisol. A two-factor group randomized design with nine treatments and three replications was employed. The first factor was the concentration of eco-enzyme (0 ml/l, 22.5 ml/l, and 30 ml/l). The second factor was the dose of mycofer (substance containing mycorrhizal spores) (0 g/plant, 30 g/plant, and 40 g/plant). Parameters measured were plant height, number of leaves, root length, root fresh weight, root dry weight, and mycorrhizal infection. The results show that the application of eco-enzyme was able to increase the height of sacha inchi plants in the vegetative phase at 10 and 20 days after planting (DAP) and increase the number of leaves at 30 and 40 DAP. Single application of 40 g/plant of mycofer was able to increase the vegetative growth of sacha inchi on inceptisol. The optimum amount to increase the growth rate of sacha inchi plants was reached through the combination of eco-enzyme at a concentration of 22.5 ml/l and mycofer at a dose of 40 g/plant.
Model of accreditation caceleration for international reputable journals Helvi Yanfika; Novita Nurdiana
Open Global Scientific Journal Vol. 2 No. 2 (2023): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v2i2.24

Abstract

Scientific journals serve as benchmarks for academic achievement, aiding researchers in publishing their work and assisting others in locating high-quality sources. Enhancing accreditation is crucial for elevating the competitiveness of the University of Lampung, not only on a national but also an international scale. This is integral to realizing the vision of the University of Lampung, set to become one of the Ten Best Universities in Indonesia by 2025. Therefore, a journal acceleration model is needed to support journals at the University of Lampung to become journals with global reputation. The objective of this research is to develop a model for journal acceleration policy. The methodology employed to establish the acceleration model for this journal is a SWOT analysis, a strategic planning method utilized to assess the strengths, weaknesses, opportunities, and threats within the institution (University of Lampung). This assessment is conducted through Focus Group Discussion (FGD) activities, employing Participatory Rural Appraisal (PRA) techniques, and in-depth interviews. The results of the study of the accelerated accreditation model for journals with global reputation with the SWOT strategy in S-O collaboration (Strengths and Opportunities), namely collaborating with international institutions to send and share articles, coaching for preparing Scopus documents from editors who are experienced in managing global reputations, increasing the internationalization of local journals under the University of Lampung. Furthermore, it highlights initiatives to promote collaboration among writers across countries, leveraging available facilities and conveniences to foster the development of international journals.
Effect of Heat Moisture Treatment (HMT) Duration and Lactic Acid Concentration on the Characteristics of Purple Sweet Potato Flour (Ipomoea batatas L. Poiret) Nurminabari, Ina Siti; Gozali, Thomas; Ikrawan, Yusep; Hariadi, Hari; Eriningtyas, Fanisa
Open Global Scientific Journal Vol. 3 No. 1 (2024): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v3i1.25

Abstract

This study aims to determine the effect of heat moisture treatment (HMT) duration and lactic acid concentration on the characteristics of purple sweet potato flour (Ipomoea batatas L. Poiret). The method consisted of two stages, namely preliminary stage to produce control (unmodified) flour and main stage to produce modified flour. The method used was a randomized group design with a factorial pattern of 3 x 3 and 3 replications. The variables used were HMT duration (3, 5, and 7 hours) and lactic acid concentration (200, 400, and 600 ppm). The parameters observed in the main stage were water content, anthocyanin level, swelling power, color, solubility, and flour gelatinization profile or Rapid Visco Analysis (RVA). The results show that HMT duration affected the water content and solubility of the modified purple sweet potato flour. HMT duration of 7 hours and lactic acid concentration of 600 ppm resulted in flour anthocyanin level of 24.046 mg/kg. The gelatinization profile shows that the modified purple sweet potato flour experienced the initial temperature of gelatinization (pasting temperature) at 92.30ºC, peak viscosity at 1,343 cP, hot paste viscosity (hold viscosity) at 362 cP, cold paste viscosity (final viscosity) at 931 cP, breakdown (viscosity stability during heating) at 381 cP, and seatback (changes in viscosity during cooling) at -31 CP.
Agricultural Development Model and Transformation in Gaum Village, Tasikmadu Subdistrict, Karanganyar Regency Sinurat, Epram Natanael; Akbar, Exit Sonia; Savitri, Nurul; Fachrozi, Raziz; Anggara, Rifky Kusuma; Antriyandarti, Ernoiz
Open Global Scientific Journal Vol. 3 No. 1 (2024): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v3i1.27

Abstract

This community services activity aims to determine the potential and problems, structural transformation, institutional transformation, technology application, and suitable model regarding the agricultural development in Gaum Village, Tasikmadu Subdistrict, Karanganyar Regency. The methods used were face-to-face interviews with relevant resource persons, observation, and descriptive analysis for data processing. The results reveal that the potential in this village is its vast agricultural land, while the problems faced are crop pests and limited fertilizer with high prices. Structural transformation in the agriculture sector in this village is characterized by a shift from traditional practices with low productivity and even losses to modern practices with higher productivity, even though the commodity prices often fluctuate every year. Institutional transformation in this village tends not to undergo bureaucratic change despite the change of village head. The application of agricultural technology in this village is also not optimal, as the majority of farmers here still apply traditional methods to cultivate their agricultural land. The diffusion model is considered more appropriate to be applied for the agricultural development in Gaum Village. In this context, this model aims to increase agricultural productivity through dissemination of new technologies and knowledges.
Eating Habits, Lifestyle and Friends Associated with the Incidence of Adolescent Overnutrition at Bengkulu Rizki, Gibrina; Maigoda, Tonny Cortis; Okfrianti, Yenni; Witradharma, Tetes Wahyu; Sari, Ayu Pravita; Hari Hariadi
Open Global Scientific Journal Vol. 3 No. 1 (2024): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v3i1.28

Abstract

Adolescents today are increasingly at risk of becoming overweight, largely due to factors related to food consumption and lifestyle. This study aimed to determine the relationship between night eating habits, sedentary behavior, and peer influence with the incidence of overweight among adolescents at SMA Negeri 07 Bengkulu City in 2024. This research was conducted using an analytic observational design with a cross-sectional approach. The sample consisted of 54 grade XI students, selected through proportional stratified random sampling. Night eating habits were assessed using a 3x24-hour recall form supplemented with food photographs, sedentary behavior was measured using the Adolescent Sedentary Activity Questionnaire (ASAQ), and peer influence was evaluated through a structured questionnaire. Data were analyzed using univariate and bivariate techniques, processed with SPSS software, and assessed with the chi-square test at a significance level of α = 0.05. The findings revealed that a significant proportion of respondents exhibited frequent night eating habits (44.4%, p = 0.002), high levels of sedentary behavior (44.4%, p = 0.006), and were significantly influenced by their peers (61.1%, p = 0.004). The study concludes that there is a significant association between night eating habits, sedentary behavior, and peer influence with the incidence of overweight among adolescents at SMA Negeri 07 Bengkulu City.
Softdrink Habit, Breakfast and Physical Activity Associated with Overweight in SMA Negeri 7 Bengkulu Putri, Frita Aulia Eka; Maigoda, Tonny Cortis; Rizal, Ahmad; Jumiyati, Jumiyati; Kusdalinah, Kusdalinah; Hari Hariadi
Open Global Scientific Journal Vol. 3 No. 1 (2024): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v3i1.29

Abstract

Overweight and obesity can occur in individuals of all age groups, including adolescents, who are experiencing a phase of rapid growth. This study aims to determine the relationship between soft drink consumption, breakfast habits, and physical activity with the incidence of excess body weight among adolescents at SMA Negeri 7 Bengkulu City in 2024. The research is an analytic observational study employing a cross-sectional design. A total of 54 class XI students were selected through simple random sampling. Data on soft drink consumption and breakfast habits were collected using the FFQ form, while physical activity data was gathered using the GPAQ questionnaire. The incidence of excess body weight was determined by measuring height and weight with a microtoise and a weight scale. Univariate and bivariate data analyses were conducted using the chi-square test with a significance level of α = 0.05. The results indicated that the majority of respondents frequently consume soft drinks (75.9%), rarely eat breakfast (80.7%), and engage in sufficient physical activity (71.8%). There is a significant relationship between the habit of consuming soft drinks and the incidence of excess weight in adolescents (p = 0.007), between breakfast habits and the incidence of excess weight (p < 0.001), and between physical activity and the incidence of excess weight (p = 0.002).
Relationship Between Nutrition Knowledge, Diet, Glycaemic Index with Blood Sugar Levels of Diabetes Mellitus Patients Salsabilla, Putri; Maigoda, Tonny Cortis; Rizal, Ahmad; Wahyudi, Anang; Witradharma, Tetes Wahyu; Hari Hariadi
Open Global Scientific Journal Vol. 3 No. 1 (2024): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v3i1.30

Abstract

Diabetes Mellitus (DM) is one type of degenerative disease that has increased every year in countries around the world, including Indonesia. The purpose of this study was to determine the relationship between nutritional knowledge, diet and glycemic index status with blood sugar levels during type II DM patients at Pasar Ikan City Health Center. Bengkulu in 2024. Methods Analytic observation research with cross sectional design. 55 people with type II DM as a sample taken with simple random sampling technique. Nutritional knowledge was measured using a questionnaire, while diet and glycemic index status were measured using the Semi Quantitative Food Frequency Questionnaire (SQ-FFQ) form. Intermittent blood sugar levels were measured using the Nesco Multicheck tool. Univariate and bivariate data analysis was processed using SPSS software with chi square test with a significance value of α=0.05. Results: There were 80% of respondents with poor knowledge, 89.5% with poor diet, and 82.1% with high glycemic index status. Conclusion: There is a relationship between nutritional knowledge, diet, glycemic index status, and the biggest influence is diet.
The Influence of Domestic Soybean Production, Consumption, Prices, and Exchange Rates on Soybean Imports in Indonesia Pratiwi, Indah; Sutrisno, Joko; Antriyandarti, Ernoiz
Open Global Scientific Journal Vol. 4 No. 1 (2025): Open Global Scientific Journal (OGSJ)
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v4i1.36

Abstract

Background: Domestic soybean production that has not been able to meet national soybean needs is an implication of the decline in soybean harvested area in Indonesia. The opposite condition occurs at the level of demand for soybeans, which increases every year. The soybean import policy is an alternative step for government to overcome the gap between soybean production and consumption in Indonesia. Soybeans in this study are not separated from the type, namely with HS code 1201 (Soya beans, whether or not broken).Aims: This study aims to analyze the factors that influence soybean imports in Indonesia by using secondary data from 2001 to 2021. The research method used is descriptive quantitative.Methods: The analysis method used is OLS which is used to determine the regression equation so that the actual value can be know from each independent variable to the dependent variable.Results: The result of the study found that partially soybean production had no significant effect on soybean imports in Indonesia, soybean consumption had no significant effect on soybean imports in Indonesia, domestic soybeans prices had a significant effect on soybeans imports in Indonesia, the exchange rate had no significant effect on soybean imports in Indonesia, and simultaneously all free variable had a significant effect on soybean imports in Indonesia.
The Role of Vitamin C, Vitamin E and Zinc Supplementation in Enhancing the Resilience of Cultured Fish to Environmental Stress: A Systematic Literature Review Permatasari, Sheny
Open Global Scientific Journal Vol. 4 No. 1 (2025): Open Global Scientific Journal (OGSJ)
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v4i1.46

Abstract

Background: The modern aquaculture industry faces serious challenges from environmental stressors such as temperature fluctuations, deteriorating water quality, and high stocking densities, all of which negatively affect cultured fish's growth and immune competence. Micronutrient supplementation—particularly vitamin C, vitamin E and zinc—has enhanced fish resilience to these stressors.Aims & Methods: This article was prepared using a systematic literature-review approach on the effectiveness of vitamin C, vitamin E and zinc in strengthening the antioxidant and immune systems of fish. A systematic literature search was conducted for articles published within the last ten years in Scopus‐or SINTA‐indexed journals that examined the effects of these micronutrients on the physiological and immunological performance of cultured fish.Results: The evidence indicates that vitamin C at 200–400 mg kg⁻¹ feed, vitamin E at 50-100 mg kg⁻¹ feed and zinc at 30–80 mg kg⁻¹ feed elevate antioxidant-enzyme activity, improve tissue histology, and boost non-specific immune responses. Several species have documented positive outcomes, including Oreochromis niloticus, Clarias batrachus, and Rachycentron canadum. Nevertheless, inter-species variability, interactions with other nutrients, and limited molecular-level studies remain challenges. Further research is required to establish optimal dosages, clarify specific mechanisms of action, and design practical supplementation strategies for sustainable intensive aquaculture.
The Effect of Turmeric Powder Supplementation in Feed on Broiler Chicken Performance Prastiyo, Dwi Subakti; Anwar, Rohmatul; Asih, Diah Reni; Ahmad, Miftahudin
Open Global Scientific Journal Vol. 4 No. 1 (2025): Open Global Scientific Journal (OGSJ)
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v4i1.42

Abstract

Aims: This study aimed to evaluate the effect of turmeric (Curcuma longa) powder supplementation in the diet on the production performance of broiler chickens, including feed intake, body weight gain, and feed conversion ratio (FCR).Methods: The experiment was arranged in a Completely Randomized Design (CRD) with four treatments: P0 (no turmeric powder), P1 (1% turmeric powder), P2 (2% turmeric powder), and P3 (3% turmeric powder), each with three replications.Results: Statistical analysis showed that turmeric powder supplementation had no significant effect on feed intake (P > 0.05), with average intake ranging from 1262.67 to 1266.33 g/bird. However, turmeric supplementation had a significant effect (P < 0.05) on body weight gain and FCR. The P1 treatment (1% turmeric powder) resulted in the highest final body weight (1172.33 ± 2.01 g/bird) and the lowest FCR (1.0777 ± 0.02), indicating improved growth efficiency and feed utilization. Based on these findings, it can be concluded that turmeric powder supplementation up to 3% in the diet can enhance the growth performance of broiler chickens, with 1% being the most optimal level of supplementation, as there were no significant differences observed among the 1%, 2%, and 3% treatments.

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