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This study investigates the potential of Low-Density Polyethylene (LDPE) plastic waste as a partial substitute for sand in concrete block mixtures, focusing on its effects on compressive strength and water absorption. LDPE is a non-biodegradable plastic waste that poses significant environmental challenges. Its incorporation into construction materials offers a promising solution to reduce pollution while enhancing the performance of building components. The research employed LDPE substitution levels of 10%, 15%, 20%, 25%, and 30% by weight of sand, compared against conventional concrete blocks without LDPE. Experimental results revealed that the highest compressive strength was achieved with a 15% LDPE mixture, reaching 80.762 kg/cm² at 28 days of curing—an increase of approximately 40.8% compared to normal blocks, which recorded 57.359 kg/cm². LDPE additions up to 20% maintained favorable strength characteristics, while higher proportions (25% and 30%) led to a decline in mechanical performance. In terms of water absorption, the inclusion of LDPE demonstrated a decreasing trend, attributed to the hydrophobic nature of plastic, which enhances moisture resistance in the concrete blocks. These findings suggest that a 15% LDPE substitution represents an optimal formulation for producing eco-friendly concrete blocks with improved strength and reduced water absorption. The study highlights the dual benefits of waste management and material innovation, aligning with sustainable development goals. By repurposing plastic waste into construction applications, this approach not only mitigates environmental impact but also contributes to the advancement of green building technologies. Further research is recommended to explore long-term durability, thermal properties, and scalability of LDPE-based concrete products in real-world construction settings.

Dyslipidemia is a lipid metabolism disorder characterized by elevated levels of total cholesterol, triglycerides, and low-density lipoprotein (LDL) accompanied by decreased levels of high-density lipoprotein (HDL). This condition is a major risk factor for atherosclerosis, coronary heart disease, and stroke. One plant with potential as an antidyslipidemic agent is bay leaves (Syzygium polyanthum). These leaves are known to contain active compounds such as flavonoids, saponins, tannins, alkaloids, and polyphenols that have antioxidant and hypolipidemic activities. The potential of natural compounds from medicinal plants to reduce blood cholesterol levels has gained significant attention in recent years. This study aims to evaluate the effectiveness of microencapsulated ethanol extract of bay leaves in reducing total cholesterol levels in white rats (Rattus norvegicus) induced by a high-cholesterol diet. The experimental study design employed was a laboratory-based true experimental method with a post-test control group design. A total of 25 male rats were used and divided into six groups: normal control, negative control (high cholesterol diet without therapy), positive control (simvastatin), and three groups treated with bay leaf extract microencapsulates at doses of 0.25%, 0.5%, and 0.75%. The treatment was given for 14 days, then total cholesterol levels were measured using an enzymatic method. The results showed that the group with a dose of 0.75% experienced the highest decrease in total cholesterol levels, namely -70 mg/dL, greater than the simvastatin group (-49 mg/dL). Statistical analysis using One Way ANOVA showed a significant difference compared to the negative control (p < 0.001). These findings indicate that the 0.75% dose of microencapsulated Syzygium polyanthum extract demonstrated an effect equal to or greater than simvastatin. Thus, it can be concluded that bay leaf ethanol extract microencapsulates are effective in reducing total cholesterol levels in hypercholesterolemic rats. This suggests that Syzygium polyanthum microencapsulation has the potential to be developed as an alternative phytotherapy for cholesterol reduction.

Dyslipidemia is a lipid metabolism disorder characterized by an increase or decrease in blood plasma fat levels. This condition includes high levels of total cholesterol, low-density lipoprotein (LDL), and triglycerides, as well as decreased levels of high-density lipoprotein (HDL). In general, dyslipidemia is divided into two types: primary, which is influenced by genetic factors, and secondary, which is caused by other diseases or an unhealthy lifestyle. Dyslipidemia is one of the major risk factors for cardiovascular disease, making its prevention and treatment very important. In this study, male white mice were used and induced with a high-fat diet to trigger dyslipidemia. The test animals were then divided into six groups: a negative control, a positive control (given simvastatin at a dose of 0.36 mL/day), and three treatment groups with microcapsules of Chinese betel leaf herb ethanol extract (EEHSC) at concentrations of 0.25%, 0.5%, and 0.75%. The treatment was administered orally for 14 days. Cholesterol levels were measured before and after treatment using a digital cholesterol tester and laboratory analysis to ensure more accurate results. The results showed a decrease in cholesterol levels with varying percentages in each group. The negative control decreased by 24.8%, the positive control by 36.1%, the 0.25% EEHSC by 24.1%, the 0.5% EEHSC by 34.7%, and the 0.75% EEHSC by 45.5%. This indicates that the 0.5% EEHSC treatment produced cholesterol reductions almost comparable to simvastatin. Interestingly, the highest effect was observed in the 0.75% group, indicating a dose-dependent response. In contrast, the 0.25% concentration only produced a less than optimal effect. Thus, microcapsules of ethanol extract of the Chinese betel leaf herb have potential as an alternative agent for lowering cholesterol levels, particularly in dyslipidemia. These findings suggest that natural-based therapies could complement conventional treatments in managing lipid disorders.

The rapid population growth and urbanization in Jakarta have led to various urban challenges, one of the most significant being traffic congestion, which incurs substantial economic losses. One proposed solution is the development of Transit Oriented Development (TOD) areas, particularly through the expansion of mass transit infrastructure such as the Mass Rapid Transit (MRT) system. This study examines the potential for TOD development in the planned East–West MRT Corridor, with a case study focused on the Grogol MRT Station. This area is considered strategically significant due to its integration with multiple transportation modes, including TransJakarta, microtrans services, and a Type B bus terminal. This research employs a quantitative approach, utilizing both primary and secondary data. The assessment is conducted using a TOD Index method based on three core principles: density, diversity, and design. The analysis reveals that the Grogol MRT Station area has a population density of 19,953 people/km² and a building density of 2,741 units/km², both of which meet the criteria for an urban-scale TOD. The land use entropy index is 0.63, indicating a moderate level of land-use diversity. However, the availability of pedestrian paths (33.96%), bicycle lanes (1.67%), parking facilities (1.84%), and open green space (1.79%) remains significantly below the ideal TOD standards. Overall, the TOD Index score for this area is 0.417, placing it among the bottom five MRT stations in Jakarta. Despite this, the area fulfills the density requirements for urban TOD classification. Nevertheless, challenges remain, including insufficient pedestrian and bicycle infrastructure, limited green spaces, and low land-use diversity. Planning interventions are thus necessary, focusing on the provision of integrated pedestrian and cycling infrastructure, functional public spaces, and mixed-use zoning to promote sustainable urban mobility.

Tropical forests play an important role as carbon sinks and biomass stores, including through the litter produced by vegetation. Litter contributes to nutrient cycling, maintains soil fertility, and is an important component of ecosystem carbon reserves. This study aims to estimate the biomass and carbon content of litter in the Jaboi Hot Spring Flow Area, Sukajaya District, Sabang City. The study was conducted in June 2025 using a 100 m long line transect method with four transects, each consisting of 18 1 x 1 m plots. Leaf litter samples were collected, their wet weight was measured, dried in an oven for 48 hours, and their carbon content was calculated based on the percentage of organic carbon of 0.47. The results showed a total litter biomass of 8,106 kg/m² with an average of 2,027 kg/m², and a total litter carbon of 3,809 kg/m² with an average of 0,952 kg/m². The highest values were found at Station 3 (2,354 kg/m² and 1,106 kg/m²) and the lowest at Station 1 (1,691 kg/m² and 0,795 kg/m²). Variations in values are influenced by soil physical-chemical factors, vegetation density, and climatic conditions, which influence production and decomposition rates. These results emphasize the importance of monitoring biomass and litter carbon to support forest management and conservation.

Pancasila, as Indonesia’s foundational ideology, plays a central role in guiding the nation’s democratic governance and shaping its human rights framework. Despite its normative strength and universal values, the implementation of Pancasila in protecting human rights remains challenged by selective interpretations, legal inconsistencies, and socio-political dynamics that often limit its transformative potential. This study employs a Systematic Literature Review (SLR) following the PRISMA 2020 guidelines, systematically analyzing peer-reviewed Scopus-indexed publications from 2014–2025. The methodology integrates qualitative thematic synthesis and bibliometric mapping using VOSviewer, combining network, overlay, and density visualizations to capture both substantive content and the intellectual structure of the literature. The review identifies four major thematic dimensions: (1) humanity and social justice as core ethical values of Pancasila; (2) legal framework and reforms that seek to harmonize national laws with constitutional and international human rights principles; (3) challenges and critiques highlighting issues such as weak law enforcement, political intervention, and ideological contestation; and (4) educational and societal impacts, particularly the role of civic education and community-based initiatives in fostering rights awareness. Findings highlight that while Pancasila provides a robust ethical and legal foundation for human rights protection, its practical impact remains constrained by structural weaknesses, limited civic engagement, and inconsistent judicial practices. Bibliometric mapping reveals a growing scholarly interest in the areas of legal modernization, democratic governance, and the integration of human rights education within both formal and informal learning systems. This suggests that contemporary discourse is increasingly oriented toward reform and institutional strengthening. The study concludes that a synergistic application of Pancasila principles, comprehensive legal reform, and active civic participation is crucial for advancing human rights in Indonesia. Strengthening judicial independence, promoting inclusive legal frameworks, and enhancing civic education are key strategies to align Indonesia’s human rights practices with both its national values and international standards. Ultimately, this review contributes to scholarly discourse and policy development by providing a comprehensive synthesis of the intersection between ideology, democracy, and human rights in contemporary Indonesia.

This study investigates the corrosion inhibition potential of a newly synthesized organic compound, (E)-4-hydroxy-3-(phenylamino)pent-3-en-2-one (LASA3), using computational chemistry approaches. Density Functional Theory (DFT) calculations were performed at the B3LYP/6-31G(d) level of theory with the Gaussian09 software package to evaluate several key quantum chemical parameters. These parameters include total energy, the energies of the highest occupied molecular orbital (EHOMO) and lowest unoccupied molecular orbital (ELUMO), the energy gap (ΔEgap), dipole moment, chemical hardness, softness (σ), and the number of electrons transferred (ΔN). The computational results reveal that LASA3 exhibits a higher EHOMO value and a smaller ΔEgap compared to its precursor molecules, referred to as S.M.1 and S.M.2. A higher EHOMO value suggests that LASA3 has a greater electron-donating ability, which enhances its interaction with the metal surface. Likewise, the reduced ΔEgap indicates greater chemical reactivity and a higher likelihood of forming stable coordination bonds with iron atoms on the carbon steel surface. Electrostatic potential (ESP) map analysis further supports these findings by highlighting the distribution of electron density within the LASA3 molecule. The ESP maps show significant electron-rich regions localized around nitrogen and oxygen atoms, which are potential active sites for adsorption onto the steel surface. This adsorption process plays a crucial role in blocking active corrosion sites and reducing the rate of metal degradation. In conclusion, the theoretical analysis confirms that LASA3 has superior electronic properties for corrosion inhibition compared to its starting materials, S.M.1 and S.M.2. Its ability to donate electrons, favorable dipole characteristics, and strategically located electron-rich sites make it a promising candidate for further experimental evaluation as an efficient corrosion inhibitor for carbon steel applications.  

This study aimed to evaluate the effect of post-larvae (PL) 12 density of whiteleg shrimp (Litopenaeus vannamei) on survival during transportation using a closed wet system. The study was conducted experimentally using four different density treatments: 500, 750, 1000, and 1250 shrimp per liter of water. The purpose of these density variations was to identify the optimal density level that still ensured a high survival rate during transportation. The results showed that shrimp seed density significantly influenced survival. A density of 500 shrimp/liter resulted in the highest survival rate of 99.6%, while a density of 1250 shrimp/liter showed the lowest survival rate of 99.30%. Although the differences in numbers appear small, the ANOVA statistical test showed that the differences between the treatments were significant. These results were reinforced by a further LSD (Least Significant Difference) test, which confirmed significant differences between treatment groups. In addition, water quality parameters such as dissolved oxygen, temperature, and pH were also observed during transportation. Measurement results showed that dissolved oxygen and temperature changed significantly with increasing seed density. However, pH did not show any significant differences between treatments. Overall, the results of this study indicate that shrimp seed density and water quality parameters are important factors to consider in the shrimp fry transportation system. Appropriate density management can minimize stress and mortality, and ensure seed survival during the distribution process.  

Transportasi memiliki peran penting dalam mobilitas masyarakat, namun juga memicu berbagai permasalahan, terutama di kawasan urban. Transit Oriented Development (TOD) merupakan pendekatan tata ruang yang mengintegrasikan transportasi dan tata guna lahan untuk meningkatkan efisiensi pergerakan. Penelitian ini bertujuan untuk mengevaluasi kesesuaian penerapan prinsip TOD pada rute BRT Koridor 7 berdasarkan persepsi pengguna dalam radius 800 meter. Penelitian ini merupakan penelitian kuantitatif dengan dasar pemikiran deduktif serta menggunakan metode survei dan kuesioner. Pengambilan sampel menggunakan teknik multistage random sampling dengan jumlah 6 halte BRT dan pengguna BRT sebagai responden. Metode analisis yang digunakan adalah deskriptif kuantitatif dengan teknik analisis spasial buffer, skoring, dan deskriptif. Hasil penelitian menunjukkan bahwa, berdasarkan analisis spasial hanya 14–28% halte Koridor 7 memenuhi prinsip TOD dan tergolong kategori rendah. Sedangkan berdasarkan hasil persepsi pengguna mencatat skor 3,541 (33,09%) yang mengindikasikan tingkat kesesuaian sedang. Perbedaan hasil ini dipengaruhi oleh perbedaan indikator: analisis spasial mengacu pada prinsip 3D (Diversity, Density, Design), sedangkan survei persepsi berdasarkan pada prinsip 8 ITDP (2017). Hasil penelitian menegaskan pentingnya integrasi pendekatan spasial dan persepsi pengguna dalam menilai kesesuaian TOD untuk optimalisasi transportasi massal di Kota Semarang.

Measuring Liquefied Petroleum Gas (LPG) levels and inventory in storage tanks is a critical aspect of terminal operations, directly influencing safety, operational efficiency, and accurate stock management. The Integrated Terminal Palembang – Pulau Layang LPG Site has implemented a servo-type Automatic Tank Gauging (ATG) system, namely the Proservo NMS81, to provide precise and real-time volume measurements. Despite its operational importance, there remains a limited in-depth understanding of how this ATG system functions, particularly regarding the complete process from sensing LPG levels to converting them into accurate inventory data. This study aims to analyze the working mechanism of the Proservo NMS81 in measuring LPG height and generating digital stock data for monitoring purposes. The research method combines a literature review of the Proservo NMS81 technical datasheet and related scientific references with direct field observation (KSM-LP) at the LPG Pulau Layang site. The analysis covers the operating principle of the servo sensor, which relies on displacement measurement via a mechanical float and wire system; the analog-to-digital conversion process utilizing a 12-bit ADC to transform continuous signals into discrete digital values; the communication protocols employed, including HART and Modbus RS-485, for transmitting processed data to the control system; and the algorithmic data processing that converts tank level measurements into standardized inventory figures based on tank calibration tables and product density. The results of this study are expected to improve technical knowledge regarding servo-type ATG systems, enhance the accuracy and reliability of inventory monitoring, and contribute to more informed operational decision-making. Furthermore, the research findings are intended to serve as a valuable academic reference for the application of advanced instrumentation technology in the energy industry, supporting both professional practice and further scholarly exploration in the field.

Osteoporosis is a metabolic bone disorder characterized by decreased bone density, resulting in brittle, porous, and easily broken bones. This condition is more common in the elderly, especially women over 60 years of age, due to hormonal changes, the aging process, and lifestyle factors. Common clinical manifestations experienced by sufferers include back pain that can interfere with daily activities and reduce quality of life. Osteoporosis treatment does not only rely on pharmacological therapy, but can also be done through non-pharmacological therapies such as progressive muscle relaxation techniques that aim to reduce muscle tension and pain perception. This study aims to determine the effect of progressive muscle relaxation techniques on pain reduction in elderly osteoporosis sufferers in Bangun Rejo Village, Tanjung Morawa District, North Sumatra Province. The research method used a quasi-experimental design with a pre-test post-test control group design. The study involved 28 elderly respondents who met the inclusion criteria, divided into two groups: an experimental group that received progressive muscle relaxation intervention and a control group that did not receive intervention. The intervention was carried out in a structured manner according to standard procedures throughout the study period. Pain levels were measured using a numeric pain scale before and after treatment. Data analysis showed a significant reduction in pain levels in the experimental group compared to the control group, with a p-value of 0.040. These results indicate that progressive muscle relaxation techniques are effective as a non-pharmacological method for reducing pain in elderly people with osteoporosis. The findings of this study are expected to provide input for healthcare professionals, particularly nurses, in developing simple, safe, and affordable interventions to improve the quality of life of elderly people with osteoporosis, as well as encourage the routine implementation of this therapy in primary and community healthcare settings.

Osteoporosis is a metabolic bone disorder characterized by a decrease in bone density and strength, making bones more fragile and susceptible to fractures. People with osteoporosis often complain of pain. One of the pain management methods for osteoporosis patients is progressive muscle relaxation. This community service activity empowers the public to practice progressive muscle relaxation techniques. The pre-test results showed that the majority of the community’s knowledge about osteoporosis and pain management was in the poor category, at 79.5%. After education and simulation of the progressive muscle relaxation technique were conducted, there was an increase in the community’s knowledge about osteoporosis and pain management, with 61.4% in the good category. The conclusion of this community service activity is that empowering the community to independently perform progressive muscle relaxation techniques is very beneficial in reducing pain in people with osteoporosis.

Tuberculosis (TB) is a contagious illness triggered by Mycobacterium tuberculosis, with transmission influenced by not only personal behaviors but also by the physical condition of the home environment. Environmental risk factors include flooring, wall material, ceiling structure, indoor temperature, humidity levels, air ventilation, habits of opening windows, and housing density. This research aimed to explore the correlation between individual behavior and the quality of home environmental conditions with pulmonary TB incidence in the Sematang Borang Health Center’s coverage area, Palembang, in 2025. A descriptive observational design was employed, involving 91 participants from Lebung Gajah Subdistrict. The sample consisted of both confirmed pulmonary TB patients (PCR positive) and individuals without TB (PCR negative), selected through purposive sampling. Data were processed using univariate analysis to describe frequency distributions and respondent characteristics. The study found that 35.2% of respondents were diagnosed with pulmonary TB, while 64.8% were not. Most participants were between 46 and 65 years old (42.9%), predominantly female (59.3%), and had a senior high school education (40.7%). In terms of TB-related knowledge and behavior, 59.3% had good knowledge, 63.7% held a positive attitude, and 50.5% practiced proper prevention measures. Nevertheless, more than half (56.0%) of the housing conditions failed to meet health standards for a safe home environment. These findings highlight that while the community shows generally good awareness and preventive behavior regarding TB, many still reside in environments that may contribute to TB transmission. Therefore, continuous health education, proactive contact tracing, and targeted health campaigns for at-risk groups—especially among those with lower educational backgrounds—should be prioritized.

Plastic waste, particularly High-Density Polyethylene (HDPE), poses a serious threat to the environment due to its extremely long decomposition time. One effective recycling method is the extrusion process, in which process parameters such as nozzle diameter and heating temperature significantly affect the production rate and the quality of the resulting filament. This study aims to analyze the effect of nozzle diameter and heating temperature on the production rate and diameter uniformity of recycled HDPE plastic filament. The method used is an experimental approach with a quantitative design, utilizing a single-screw type extruder machine. The tested parameter variations include two nozzle diameters (1.75 mm and 2.85 mm) and three temperature levels (200°C, 240°C, and 280°C). The results of the analysis, using factorial ANOVA and control charts, show that both parameters significantly influence production performance. The highest production rate, approximately ±1.0 kg/hour, was achieved with the 2.85 mm nozzle and 280°C temperature combination, while the combination of the 1.75 mm nozzle and 200°C temperature produced the most consistent filament diameter and the best quality, with a resulting diameter of 2.84 mm, which is very close to the target of 2.85 mm. Higher temperatures increase flow rate due to decreased viscosity, but also carry the risk of thermal degradation. This study provides practical guidelines for optimizing the HDPE recycling process through extrusion.

The development of construction materials is currently very rapid, including in the manufacture of fishing boats that still use wood. As an alternative, High Density Polyethylene (HDPE) plastic can replace wood because of its various advantages. The process of making fishing boats uses the plastic welding method, where the material is heated close to the melting temperature with a welding gun. The welding rod melts due to heat and is pressed continuously while the welding gun moves backward. This study aims to determine the effect of variations in the hot gas welding process on mechanical tests, especially bending tests on plastic welding joints. The two independent variables used are the hot gun temperature (250°C, 300°C, and 350°C) and the V bevel angle (60°, 75°, and 90°). The five controlled variables include the anvil temperature of 150°C, 3,2 mm thick HDPE plastic sheet, hot gas speed welding method, 5 mm diameter HDPE plastic additives, 7 liters/minute air flow rate, 1.2 mm/s welding speed, and 2 mm root gap. The research results are expected to obtain the maximum value of the bending test strength from the interaction of hot gun temperature variations and V-beam angles, as well as being a reference in making fishing boat bodies from HDPE using the hot gas welding method.

This study analyzes the effect of variations in cooling and extrusion speeds on a single screw extruder plastic machine to produce filaments. The method used is a factorial Design of Experiment (DOE) with a two-way ANOVA test, where the cooling speed (8.7 m/s, 11.8 m/s, 14.3 m/s) is varied using the inlet valve on the blower and extrusion (20, 30, 40 rpm) is varied using a tachometer. The testing process includes measuring the dimensions and weighing the filament after the extrusion process, and the data is processed using Excel and Minitab-21. The results show that increasing the cooling speed decreases the dimensions and density of the filament, while increasing the extrusion speed increases the dimensions and density of the filament. The interaction between the two is also proven to be statistically significant with 0.000 on dimensions and 0.014 on density ≤ 0.05 (p-value ≤ 0.05). The optimizer response determined the optimal combination at a cooling speed of 14.3 m/s and an extrusion speed of 20 rpm for a target dimension of 1.75 mm, while the optimal parameters for density were at a cooling speed of 8.7 m/s and an extrusion speed of 40 rpm, resulting in the highest density of 0.246 g. These recommendations are expected to improve the efficiency and quality of filament production.  

Agroforestry is also a form of sustainable agriculture model. Agroforestry systems are formed of three main components, namely forestry, agriculture, and livestock. The agrosilvopastura system is the combination of woody components (forestry) with agriculture (annuals) as well as livestock on the same land management unit. The priority order of the most important alternative options for sustainable agriculture includes strengthening farmer institutions, developing a cadre of farmers/farmer groups aware of sustainable agriculture, and increasing demonstration activities for sustainable agricultural technology. Financial analysis shows that all agroforestry systems are economically viable, and agrosilvopastura provides the most inputs compared to agrosilnikultur and silvopastura. Erosion that occurs on agroforestry land agroforestry, especially agrosilvoculture in the buffer zone of Southeast Aceh District is not harmful because it is smaller than the allowable erosion (<30.6 tons/ha/yr). The total biomass and carbon of stands in agroforestry systems with agrosilvopastura type of 103.17 and 46.74 tons per hectare, respectively, are similar to the total biomass and carbon of stands in mangrove forests. carbon in Rhizophora apiculata mangrove forest with a density of 463 trees per hectare, which were 169.46 (biomass) and 47.08 (carbon) tons per hectare, respectively. Agrosilvopastura systems can play a role in mitigating floods compared to monoculture farming systems for each hectare of land for every 1 hour of work.

This study aims to evaluate the color of organic ink based on coffee grounds charcoal as an alternative to conventional ink in screen printing. The experimental method was conducted with three variations of pigment formulation and distilled water, namely: 15 gr & 41 ml, 20 gr & 45 ml, 25 gr & 49 ml). Testing of solid content levels and Lab values was carried out to determine color characteristics, as well as delta E calculations to compare with conventional inks. The results showed the highest solid content in the 20 g formulation, but the 15 g ink distribution produced the closest color to the reference ink due to better flow. In conclusion, proper material formulation is essential to achieve optimal color quality.  

This research is motivated by the importance of education as a basic right of the nation's children that continues to experience innovation, including in the school model based on boarding school. The focus of the research is social studies learning at MTs Darul Hikmah Tulungagung which implements the boarding system. The purpose of this study was to determine teacher strategies, implementation, and obstacles in social studies learning in this environment. The study used a qualitative approach with a case study type, and data was collected through observation, interviews, and documentation. The results of the study showed that the effectiveness of social studies learning was influenced by the density of institutional activities, lack of mastery of the material by teachers, and dualism of the curriculum. Efforts made include improving teacher discipline, utilizing audio-visual media, and linking material to current issues. The advantages of the boarding school system are that students become more independent, have high social awareness, and obtain general and religious education in a balanced manner. This finding implies the need for improvements in learning strategies and time management so that the boarding school system can run more optimally in supporting the achievement of social studies learning.

Odot grass (Pennisetum purpureum cv. Mott) is widely recognized as a high-yielding and nutrient-rich forage crop, making it suitable for feeding ruminant animals. This study investigates how varying levels of weed density affect the growth performance and fresh forage yield of odot grass. The experimental design employed was a non-factorial Randomized Block Design (RBD) with four weed density treatments (0%, 35%, 70%, and 100%) and six replications for each treatment. Growth indicators measured included plant height, number of tillers, stem thickness, and total fresh biomass production. The results showed that weed density significantly influenced all measured parameters (p < 0.05). The absence of weeds yielded the highest forage production (19.32 tons per hectare), whereas full weed coverage (100%) led to a substantial reduction in yield by 15.53%. A strong inverse correlation was observed between weed density and forage yield, with a correlation coefficient of r = –0.97. These findings suggest that higher weed densities substantially hinder both the vegetative growth and biomass output of odot grass. Nevertheless, a moderate weed presence (35%) did not cause a statistically significant decrease in productivity, indicating a potential threshold for acceptable weed competition.