ABSTRACT This study aims to determine the influence of village-owned enterprises (BUMDes) management competencies in improving the welfare of the people of Teluk Papal Village, Bantan District, Bengkalis Regency. The population in this study included all the people of Teluk Papal Village, Bantan District, totaling 655 people. Primary data was collected using a questionnaire as an instrumen…
ABSTRACK This study aims to determine the effect of wages, economic growth and unemployment on employment in the manufacturing sector in Pelalawan Regency. This study uses multiple linear regression analysis using the SPSS version 23 application. The data used in this study is secondary data in the form of time series for the period 2010-2021 obtained from the Central Statistics Agency of Pela…
ABSTRACT Moringa leaves contain phytochemicals such as flavonoids, tannins and terpenoids which are natural sources of antioxidants. This content is commonly found in tea leaves, so that moringa leaves can be used as a substitute for tea. Kombucha tea is a traditional-healthy drink from black tea which is fermented by symbiotic culture of bacteria and yeast/scoby. Kombucha drinks have high anti…
ABSTRACT This study aims to obtain antioxidant activity and the best quality of mango leaf herbal tea based on the location of the leaves on branches. The research has been experimentally using a completely randomized design (CRD) with 4 treatments and 4 replications, so that 16 experimental units obtained. The treatments used were P1: Leaf shoots, P2: Young mango leaves (numbers 1-3 after the…
ABSTRACT Briquettes is solid fuels made from waste biomass by the carbonization method. Coconut coir and palm shell are biomass wastes that are not used optimally. Coconut coir and palm shell contain a lot of lignin and cellulose which can be used as an energy source in the form of charcoal briquettes. The aims of this research were to get the best ratio of charcoal from a mixture of coconut c…
ABSTRACT Onions that are cultivated on inceptisol soils have the main constraints, namely low soil fertility and low organic matter content. The efforts to overcome these problems can be done by giving liquid organic fertilizer and rock phosphate. This reserach aims to determine the interaction of Gamal leaf LOF and RP fertilizer and to determine the best concentration of Gamal leaf LOF an…
ABSTRACT The aims of this study were (1) to identify the potential and challenges faced by agricultural extension workers in Kuantan Singingi Regency. (2) Identify the potential and challenges faced by farmers in Kuantan Singingi Regency. (3) Analyze the level of food security of farmers in Kuantan Singingi Regency. The research method used was a survey method, extension samples were taken usi…
ABSTRACT Rice is one of the foodstuffs that plays an important role in the economy, namely as a material to meet daily needs and as a livelihood. This study aims to determine the effect of production, production costs, and prices on the income of lowland rice farmers in Muara Uwai Village. Income analysis is needed to describe the current state of farming activities, to describe the status of …
ABSTRACT This study aims to determine of service quality, determine the satisfaction of members of the Rejosari multi-purpose cooperative (KSU), analyze the effect of service quality on the satisfaction of members of the Rejosari multi-purpose cooperative (KSU) in Tenayan Raya District, Pekanbaru City. The number of samples in this study were 76 respondents,the sampling method used was purposi…
ABSTRACT The Tapung Kanan Watershed is part of the Siak Watershed which is located in the Siak River Basin, which is one of the watersheds with critical conditions and requires priority handling. This is due to the uncontrolled use of water resources, causing the availability of water to tend to decrease and decreased water quality. As the effect of this problem, it is necessary to manage and …
ABSTRACT Water is the source of life for humans. Along with the increase in population, human activities have also increased and will require more water. This resulted in the use of water required costs in its management. The Pamsimas (Community-Based Drinking Water and Sanitation Provision) program is one of the water supply programs for drinking water customers in Talang Bersemi Village. KP-…
ABSTRACT The reservoir has a function as a place to accommodate excess water during the rainy season and will be used to meet water needs during the dry season. The water needs in question include raw water and irrigation water. The Kelarik Reservoir is located in North Kelarik Village, North Bunguran District, Natuna Regency, Riau Archipelago Province. The Kelarik Reservoir is used as an irri…
ABSTRACT Asphalt modification is one way to improve the performance of asphalt mixtures.The material for asphalt modification used can be natural substance such as concentrated latex. Concentrated latex is fresh latex that has been processed and its rubber content concentrated. This study uses concentrated latex as a modified material with the aim of knowing the effect of adding concentrated l…
ABSTRACT The availability of water is very influential for fulfill the basic needs of living things, which is water needs. The water needs of Rokan Kiri Watershed have continuesly increase along with the increase of population, meanwhile the water availability is relatively constant, moreover the quantity and the quality of water getting decrease, and causing various problems. The problems tha…
ABSTRACT Reservoir is a place on the ground surface that is used to store water when excess water occurs or during the rainy season so that the water can be used during the dry season. One of the reservoirs intended to accommodate or store excess water is the Selayar Reservoir located in Lingga District, Lingga Regency, Riau Islands, Indonesia. Utilization of the Selayar Reservoir is intended …
ABSTRACT The load flow study aims to determine, discover and expand the condition of an electrical system. This study conducted in West Area Kasikan for a new powerplant system in a form of gas engine powerplant (PLTMG) 1100 kW for total of 3 units, and additional 500 kW workload in Langgak’s Region which was executed through the Electrical Transient Analysis Program (ETAP) Power Stations 12…
ABSTRACT Currently the use of macro cells with relatively long wireless channels cannot support high bitrates. To overcome these weaknesses multiplying radio access points can be done using transmission media such as Fiber Optic or Free Space Optic. In this research, we analyse the performance of optical communication systems with QAM modulated RF signal input on Fiber Optic and Free Space Opt…
ABSTRACT NAS is a server that uses a special operating system. Raspberry Pi 4 Model B was chosen as the NAS server because it has functions similar to computers in general. The operating system installed on the Raspberry Pi 4 Model B is Openmediavault, which is a system based on Linux and uses the Debian distro. This system can be used for simple solutions that make it easy for people to insta…
ABSTRACT Butanol is one of the chemicals whose needs continue to increase for industry. Butanol with the chemical formula C4H10O is required for industrial needs as a solvent or organic synthesis. Butanol is an intermediate material used as raw material for downstream industries in the textile, polymer, plastic, paint, surface coating and pharmaceutical industries. The level of butanol consump…
ABSTRACT Aluminum sulfate (Al2(SO4)3) is one of the chemicals that is needed in various industries, especially in water treatment processes. The establishment of an aluminum sulfate factory with a capacity of 12,500 tons/year in Pontianak, West Kalimantan is one of the efforts to meet the needs of chemical factories for aluminum sulfate and also to meet the export needs of aluminum sulfate in …