cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Ali Rahmat
Contact Email
alirahmat911@gmail.com
Phone
+6282278231661
Journal Mail Official
alirahmat911@gmail.com
Editorial Address
Prenggan, Kotagede, Kota Yogyakarta, Daerah Istimewa Yogyakarta 55172
Location
Kota yogyakarta,
Daerah istimewa yogyakarta
INDONESIA
Applied Research in Science and Technology
Published by Research and Social Study Institute
ISSN : 27767213     EISSN : 27767205     DOI : -
Core Subject : Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Environmental Science
Applied Research in Science and Technology is a peer-reviewed open-access journal which publishes result from scientists and engineers in many fields of science and technology. Every submitted manuscript will be reviewed by at least two peer-reviewers using the double-blind review method. focus and scope: Infrastructures Technology, Remote Sensing and Geospatial Information System, Soil Science, Geology, Marine Science, Technology and Engineering, Electrical, Biomedical Engineering, Renewable Energy, Physics, Chemistry, Materials, Biology, Forestry, Agriculture, Earth & Space Science.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 47 Documents
 1   2   3   4   5 
Effect of Arbuscular Mycorrhyzal Fungi in Improving Soybean Growth in Ultisol Soil Mahmudin; Palupi, Dora; Susianti, Helda; Siahaan, Limartaida; Yanti, Yus Dwi; Barokah, Abi
Applied Research in Science and Technology Vol. 5 No. 1 (2025): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v5i1.75

Abstract

Background: Soybean is one of the most popular agricultural commodities in Indonesia, but its production is still low. Thus, it is necessary to make efforts to expand its agriculture in the form of marginal land development.Aims: This study aims to examine the effect and obtain the best treatment dose of arbuscular mycorrhizal fungi (AMF) in ultisol soil to increase the growth of soybean plants (Glycine max (L.) Merill).Methods: This experimental study employed a complete randomized design (CRD) with the treatment of arbuscular mycorrhizal fungi (AMF). The AMF treatment comprised five levels: no AMF, 4 g/polibag, 8 g/polibag, 12 g/polibag and 16 g/polibag. Each treatment was repeated four times, resulting in 20 experimental units and each experimental unit comprised three polybags so that this study used 60 polybags. The data were analyzed using Analysis of Variance (ANOVA) and continued with Duncan's New Multiple Range Test (DNMRT) at the 5% level.Result: AMF treatment is able to increase the growth of soybean plants in the parameters of plant height, number of productive branches, flowering age, number of flowers, and harvest age. The AMF treatment dose of 12 g/polybag is proven to give the best results in increasing the growth of soybean plants. The use of AMF can be an effective strategy in optimizing soybean production, especially on marginal lands.
Using SoilGrids250m for Overlooking Spatial and Vertical Distribution of Soil Physico-chemical Properties Over Tropical Climate Asia Munawaroh, Umi; Zaki, Muhamad Khoiru
Applied Research in Science and Technology Vol. 5 No. 1 (2025): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v5i1.76

Abstract

Background: Understanding the interaction, spatial and vertical distribution of soil chemical properties over climate type in tropical Asia and various depths of soil is essential for sustainable land management, particularly in regions experiencing dynamic conditions.Aims & Methods: This study investigates the relationships of each parameter such as cation exchange capacity (CEC), soil pH, and soil organic carbon (SOC) tropical Climate Asia. Using stratified random sampling based on Köppen–Geiger climate classifications and a consistent spatial resolution of 0.25° × 0.25°, we analyzed 45 sample points distributed across tropical rainforest, monsoon, and savanna climates. The data were extracted from SoilGrids 250m and reconciled using conservative remapping and bilinear interpolation techniques. Corresponding soil chemical data were obtained from validated regional databases.Result: The results show that a correlation matrix analyzing relationships among key soil physico-chemical properties across multiple depths. Strong positive correlations were found between soil organic carbon (SOC) and total nitrogen (N) (r > 0.8), reflecting their shared origin in organic matter. Bulk density (BD) exhibited moderate to strong negative correlations with SOC and N (r ≈ -0.5 to -0.8), particularly in surface layers, indicating the influence of organic matter on soil structure. Correlations weaken with depth, reflecting reduced nutrient interaction. These patterns highlight the importance of organic matter inputs and minimal soil disturbance in maintaining soil health and guiding sustainable land management strategies.
Projection of Climate Impact on Discharge and Energy Production of Cascade Hydroelectric Power Plant in North Sulawesi Haq, Guntur Ibnu; Hermana, Joni
Applied Research in Science and Technology Vol. 5 No. 1 (2025): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v5i1.77

Abstract

Background: Climate change is a major challenge for the sustainability of hydropower plants (PLTA) in tropical areas such as North Sulawesi, which are highly dependent on water availability from seasonal rainfall.Aims & Methods: This study aims to project the water discharge and electricity production of the Tonsealama, Tanggari I, and Tanggari II hydropower plants based on the SSP2-4.5 and SSP5-8.5 climate change scenarios. Historical climate data (2014–2024) from BMKG and hydropower plant operation data (2019–2024) are used to train the prediction model using the Random Forest algorithm, with bias correction performed on the CMIP6 GCM output through a hybrid approach combining Random Forest and Delta Change.Result: The results show a consistent decrease in discharge and energy at the three hydropower plants, especially in May, which has been the peak of the rainy season. The average annual discharge decrease reached 9%, while the decrease in electricity was recorded at 5,528.77 MWh (SSP2-4.5) and 3,053.42 MWh (SSP5-8.5) for the Tonsealama hydropower plant; 8,085.37 MWh and 12,625.98 MWh for PLTA Tanggari I; and the highest decline was experienced by PLTA Tanggari II of 18,160.42 MWh and 9,255.40 MWh. Although higher warming occurs in the SSP5-8.5 scenario, occasional extreme rainfall events partially offset the decline in energy production. These findings emphasize the importance of adaptation strategies through more flexible reservoir management, turbine operations, and integrated water resource planning to increase system resilience to future climate uncertainty.
The Effect of Coal and Biomass on the Generation of Fly Ash and Bottom Ash at the Coal-Fired Power Plant Asam Asam Unit 1-4, South Kalimantan Abidin, Khoirul; Chaerul, Mochammad
Applied Research in Science and Technology Vol. 5 No. 1 (2025): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v5i1.78

Abstract

Background: One of the main environmental challenges in Coal-Fired Power Plant (CFPP) operations is the large amount of Fly Ash and Bottom Ash (FABA) produced, which creates significant waste management issues. Reducing FABA production through biomass co-firing has become a potential solution, yet its effectiveness in actual operations remains underexplored. Asam Asam Power Plant Unit 1–4, with a capacity of 4 × 65 MW in South Kalimantan, is one of the power plants that utilize sawdust biomass in its operations.Aims: This study aims to analyze the effect of coal and biomass consumption on FABA generation during 2022, 2023, and 2024.Methods: The method employed is multiple linear regression using Minitab version 21.4.1 software, with coal consumption (X1) and biomass consumption (X2) as independent variables and FABA generation (Y) as the dependent variable.Result: The results show that coal consumption has a positive relationship with FABA generation, while biomass consumption shows a negative relationship. ANOVA test results indicate that only coal consumption significantly affects FABA generation. A notable decrease in FABA production in 2024 signifies an increase in biomass utilization in the fuel mixture, highlighting its potential in reducing solid waste generation from CFPP operations. A simulation involving three biomass-coal blending scenarios demonstrated that incorporating 20% biomass into the fuel mix can reduce FABA generation by up to 27.79%.
Effectiveness of Bacillus subtilis (Ehrenberg) Cohn. to Suppress the Intensity of Dry Spot Disease (Alternaria solani sor.) on Potato Plant (Solanum tuberosum L.) Irmawatie, Lilis; Nasrullah, Rizki; Suswana, Suli; Nurdin, Rosyad; Adviany, Ida
Applied Research in Science and Technology Vol. 5 No. 1 (2025): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v5i1.83

Abstract

Background: Potato (Solanum tuberosum L.) is one of the priority horticultural crops to be developed in Indonesia. One of the factors affecting the decline in potato productivity is Plant Disturbing Organisms (PDO), namely Alternaria solani Sor. a pathogenic fungus that causes dry spot disease in potato plants. Infection by this disease can reach 100%, resulting in yield losses of up to 78%. One of the biological agents utilized is Bacillus subtilis (Ehrenberg) Cohn. the bacteria for controlling Alternaria solani Sor.Aims: This study aims to determine the effectiveness and optimal concentration of Bacillus subtilis (Ehrenberg) Cohn in suppressing the intensity of Alternaria solani Sor—disease on potato plants.Methods: The research was conducted using the Randomized Block Design (RBD) method, consisting of 6 treatments and 5 replications. The treatment applications used were: Bs-8 (Bacillus subtilis (Ehrenberg) Cohn. 8 ml/liter of water), Bs-10 (Bacillus subtilis (Ehrenberg) Cohn. 10 ml/liter of water), Bs-12 (Bacillus subtilis (Ehrenberg) Cohn. 12 ml/liter of water), Bs-14 (Bacillus subtilis (Ehrenberg) Cohn. 14 ml/liter of water), B1 (Positive control 80% mankozeb concentration 2 grams/liter of water), and B0 (Negative control without Bacillus subtilis (Ehrenberg) Cohn.).Result: The results showed that Bacillus subtilis (Ehrenberg) Cohn. treatment suppressed the intensity of dry spot disease (Alternaria solani Sor.), and the concentration of Bacillus subtilis (Ehrenberg) Cohn. 14 ml/liter effectively suppresses the intensity of Alternaria solani Sor. disease by 88.89% in potato plants.
Preparation of Sustainability Instruments for Community-Based on Solid Waste Management Programs: A Case Study of TPS3R in Sleman Regency, Yogyakarta A'fia, Khoiria; Putra, Hijrah Purnama
Applied Research in Science and Technology Vol. 4 No. 2 (2024): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v4i2.86

Abstract

The solid waste management system requires a community component that is directed through Community-Based Solid Waste Management (CBSWM) activities. One of the CBSWM activities in Indonesia is TPS3R (3R Waste Treatment Facility) or MRF (Material Recovery Facility). The fact on the ground was that many TPS3R management systems were not running optimally. This has the potential to hinder the sustainability of the TPS3R program. This sustainability can be assessed through proper instruments that measure program effectiveness. This research aims to develop an instrument for assessing the level of sustainability and experiment with it at TPS3R. The instrument is used to analyze the sustainability of the studied programs to determine which ones are feasible to continue. The instrument consists of 20 indicators, parameters, assessment scales, and weightings that are integrated into five aspects of waste management, including operational, technical, regulatory, community participation, financing, and institutional aspects. The research analysis method applied is the scoring method to assess the level of sustainability in TPS3R. The research was conducted at six TPS3R locations in Sleman Regency Yogyakarta. Experiments with the instrument revealed that each TPS3R received a distinct score and was classified according to the planned level of sustainability. The results of the sustainability level assessment are divided into three statuses: very sustainable, achieved by TPS3R Purwo Berhati with a percentage of 80%. Then, the sustainable status was achieved by TPS3R Brama Muda, TPS3R Mexicana, and TPS3R GIAAAAAT with percentages of 70%, 70%, and 78%, respectively. Finally, the status of fairly sustainable was achieved by TPS3R Ben Resik and TPS3R Randu Alas, at 58% and 57%, respectively. Based on the study's results, this instrument can be utilized in the sustainability assessment of TPS3R.
The Effectiveness of Adding Immunostimulants, Probiotics, and Liming Methods on Water Quality and Productivity of Shrimp Litopenaeus vannamei in Dewi Laut Aquaculture Company, Garut, Indonesia Permatasari, Sheny; Firdausi, Amalia Putri; Pradian, Yassar Ariq; Sopacua, Ivana Oktarina
Applied Research in Science and Technology Vol. 5 No. 1 (2025): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v5i1.89

Abstract

Background: The whitelegs shrimp Litopenaeus vannamei is one of Indonesia's leading commodities. However, Intensive culture of Litopenaeus vannamei faces challenges such as environmental stress and decreased productivity due to fluctuating water quality.Aims & Methods: This study aimed to evaluate the effectiveness of adding immunostimulants (vitamin-mineral mix and garlic extract at 2 ppm), probiotics (2 ppm every two weeks), and lime treatment (CaO at 10 ppm) on water quality and the productivity of L. vannamei in ponds at PT. Dewi Laut Aquaculture, Garut. The observed productivity parameters included Average Body Weight (ABW), population, biomass, Feed Conversion Ratio (FCR), Survival Rate (SR), and size. Meanwhile, the measured water quality parameters included physical parameter such as temperature, chemical parameters such as pH, dissolved oxygen (DO), total ammonia nitrogen (TAN), total alkalinity, and total organic matter (TOM), as well as biological parameters such as total phytoplankton, total bacteria count (TBC), and total vibrio count (TVC).Result: The results showed that the applied treatments produced good culture performance, with ABW reaching 13.37 grams, SR at 91.01%, FCR at 1.7 and productivity of 20.39 tons/ha. Meanwhile, water quality monitoring indicated that some parameters exceeded the ideal ranges for shrimp culture, such as pH (maximum 9.12), TOM (up to 134 ppm), and TAN (up to 2.6 ppm). However, there is synergy between probiotics and immunostimulants, these conditions were still tolerable for the shrimp.
Application of Biosecurity Strategies for the Control of MAS (Motile Aeromonas Septicemia) in Tubifex Worms (Tubifex sp.) for Larval Catfish (Pangasius sp.) Culture Firdausi, Amalia Putri; Indriastuti, Cecilia Eny; Surahman, Nur Prasetyo Ari; Permatasari, Sheny
Applied Research in Science and Technology Vol. 5 No. 1 (2025): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v5i1.90

Abstract

Background: Catfish (Pangasius sp.) is one of the high-value freshwater aquaculture commodities in Indonesia. To ensure sustainable production, hatchery management plays a crucial role, as the larval and juvenile stages are the most vulnerable to environmental stress and disease outbreaks. During the larval phase (7–14 days post-hatch), Tubifex worms (Tubifex sp.) are commonly used as a natural feed due to their high nutritional content and digestibility.Aims & Methods: This study aimed to evaluate the effectiveness of formalin in suppressing Aeromonas hydrophila in Tubifex worms (Tubifex sp.), which are used as natural feed for larval catfish (Pangasius sp.). The research was conducted in two phases: in vitro and in vivo assays. The in vitro assay was carried out to determine the minimum inhibitory concentration (MIC) and inhibition zone of formalin against A. hydrophila. The in vivo assay consisted of two parts: a toxicity test of formalin on Tubifex worms and an evaluation of the effect of treated worms as feed on the survival of catfish larvae. A completely randomized design (RAL) was employed, consisting of four treatments with three replicates each: K (control—untreated Tubifex), A (400 ppm formalin immersion without rinsing), B (400 ppm formalin immersion with one rinse), and C (400 ppm formalin immersion with two rinses).Result: The results demonstrated that a 400 ppm formalin concentration effectively inhibited the growth of A. hydrophila. Treatment C (two rinses following immersion in 400 ppm formalin) significantly reduced the toxic effects of formalin on the Tubifex worms used as natural feed. Consequently, this treatment led to an improvement in the survival rate of catfish larvae, reaching 44.6 ± 11.5% over a 14-day rearing period.
Antihyperuricemia of Lemongrass Extract (Cymbopogon citratus) on Male Mice with Potassium Oxonate and Chicken Liver Juice Induced Fadhila, Rizky; Nainggolan, Hotlina
Applied Research in Science and Technology Vol. 4 No. 2 (2024): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v4i2.91

Abstract

Background: Hyperuricemia is a pathological condition characterized by increased blood uric acid levels exceeding 7 mg/dL. The use of medicinal plants for managing hyperuricemia has garnered significant attention.Aims & Methods: This study aims to evaluate the anti-hyperuricemic effect of lemongrass extract (Cymbopogon citratus) in a hyperuricemia model using 18 Deutsche Denken Yoken (DDY) mice induced with potassium oxonate and chicken liver juice. Lemongrass simplicia was extracted by maceration using 96% ethanol. Test animals were induced with hyperuricemia by administering chicken liver juice at a dose of 0.5 mL/20 g body weight (BW) for seven consecutive days and potassium oxonate at a dose of 250 mg/kg BW on the eighth day. The test animals were divided into six test groups, namely group 1 was the normal; group 2 was the negative control; group 3 was the positive control (allopurinol at 13 mg/kg BW); groups 4 – 6 were treatment lemongrass extract at doses of 350, 700, and 910 mg/kg BW, respectively.Result: The results showed that group 6 mice statistically significantly reduced uric acid levels (p = 0.001, p < 0.05). Cymbopogon citratus extract effectively reduces uric acid levels and holds substantial potential as a uric acid-lowering agent, supporting its empirical use in managing hyperuricemia.
Evaluation of Oil Palm Empty Fruit Bunch Compost Application on Samhong Mustard (Brassica juncea L.) Cultivation in Polybags Kumara, Nur Rizha Adi; Sumiahadi, Ade
Applied Research in Science and Technology Vol. 4 No. 2 (2024): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v4i2.93

Abstract

Background: Samhong is a mustard variety that is becoming increasingly popular in Indonesia. To increase its production, appropriate cultivation technologies are necessary, such as enriching the growing medium with organic matter. One organic material that can be utilized is compost made from oil palm empty fruit bunches (OPEFB). OPEFB is the solid waste remaining after oil has been extracted from the flesh (mesocarp) and kernel (endocarp) of fresh oil palm fruits.Aims & Methods: This study aimed to evaluate the effects of different OPEFB compost dosages on the growth and yield of samhong mustard plants. The research was conducted from March to May 2023 at the Experimental Field of the Faculty of Agriculture, Universitas Muhammadiyah Jakarta. The study utilized a Randomized Complete Block Design (RCBD) with five treatment levels, consisting of a control group using inorganic NPK fertilizer and four different doses of OPEFB compost (25, 50, 75, and 100 g/plant).Result: The results of this study indicate that, in general, all OPEFB compost applications resulted in lower growth and yield compared to the NPK control. However, a positive trend was observed where higher compost doses led to improved plant growth. Furthermore, correlation analysis revealed a strong to very strong positive correlation between OPEFB compost dose and the growth of above-ground parts and yield of the plants. This study indicated that OPEFB compost has potential to be used as organic fertilizer with higher doses.

Page 4 of 5 | Total Record : 47

 1   2   3   4   5 

Filter by Year

2021 2025


Reset
Filter By Issues
All Issue Vol. 5 No. 2 (2025): Applied Research in Science and Technology Vol. 5 No. 1 (2025): Applied Research in Science and Technology Vol. 4 No. 2 (2024): Applied Research in Science and Technology Vol. 4 No. 1 (2024): Applied Research in Science and Technology Vol. 3 No. 2 (2023): Applied Research in Science and Technology Vol. 3 No. 1 (2023): Applied Research in Science and Technology Vol. 2 No. 1 (2022): Applied Research in Science and Technology Vol. 1 No. 2 (2021): Applied Research in Science and Technology Vol. 1 No. 1 (2021): Applied Research in Science and Technology