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This research is motivated by the fluctuation in income of areca nut farmers in Lagan Tengah Village, Geragai District, East Tanjung Jabung Regency, which has decreased in recent years. This condition is suspected to be caused by high production costs and unstable areca nut selling prices at the farm level. Therefore, this study aims to determine the effect of production costs and selling prices on areca nut farmer income in Lagan Tengah Village. This research used a quantitative approach with multiple linear regression analysis. The study population was all 1,105 areca nut farmers in Lagan Tengah Village, while the sample size was 92 people, selected using simple random sampling based on the Slovin formula with a 10% margin of error. Data were collected through questionnaires, interviews, observations, and documentation. Data analysis was performed using the classical assumption test, the t-test (partial), the F-test (simultaneous), and the coefficient of determination (R²) test. The results showed that production costs had a partial and significant negative effect on areca nut farmer income, while selling prices had a positive and significant effect on areca nut farmer income. Simultaneously, both variables—production costs and selling prices—have a significant impact on the income of areca nut farmers in Lagan Tengah Village. The coefficient of determination (R²) indicates that production costs and selling prices are able to explain variations in areca nut farmer income quite strongly. From these results, it can be concluded that improving production cost efficiency and stabilizing areca nut selling prices are important factors in increasing the income of areca nut farmers in Lagan Tengah Village. The local government and related institutions are expected to support farmers through subsidy policies, increased market access, and fostering farm management to optimize and sustain farmer income.

The betel nut (Areca catechu) is a tropical plant that thrives in Southeast Asia, including Indonesia. This plant has long been known in traditional medicine and local culture for its content of various beneficial active compounds. One form of its utilization that has rarely been scientifically studied is fresh betel nut juice. Therefore, this study aims to conduct a preliminary assessment of the characteristics of fresh betel nut juice, particularly from a physical, chemical, and microbiological perspective. The juice production process is carried out simply by squeezing fresh betel nuts without the addition of chemicals or heating. Based on initial observations, the betel nut juice exhibits a distinctive reddish-brown color and a sharp, pungent aroma. This color and aroma likely originate from the phenolic and alkaloid compounds naturally present in the betel nut. pH measurements indicate that the juice has a fairly high acidity level, which can affect the stability of microorganisms within it. Qualitative tests of the chemical composition of the betel nut juice indicate the presence of bioactive compounds, particularly tannins and alkaloids. Tannins are known to have antimicrobial activity, while alkaloids act as physiologically active compounds that can affect the nervous system. However, the presence of these compounds does not completely inhibit the growth of microorganisms. Through simple isolation of microorganisms from the fresh juice, bacteria from the genus Lactobacillus spp., which are typically associated with natural fermentation processes, were found. The presence of these bacteria indicates that fresh areca nut juice can be a potential growth medium for certain microorganisms, particularly lactic acid bacteria. This finding opens up opportunities for further research into the use of areca nut juice as a natural fermentation agent that may have functional and probiotic value.

Community Service Activities (PEMA) carried out by Mathematics Education students at the North Sumatra State Islamic University in Padang Brahrang Village aim to foster a sense of togetherness through various competitions to commemorate the 78th Indonesian Independence Day. This activity involves the active participation of the local community, including children, teenagers and adults, in various traditional competitions such as tug of war, sack races, pillow hitting and areca nut climbing. The method used is a participatory approach, where students collaborate with the community in planning and implementing activities. The results of this activity show that through competition and social interaction, the sense of togetherness and solidarity among the community is increasing. Apart from that, this activity also strengthens the spirit of nationalism and mutual cooperation. Thus, the celebration of Independence Day is not only an event for entertainment, but also a momentum to strengthen social relations and increase awareness of the importance of unity in social life.

This study aims to describe and analyze the survival and sustainability of the Dua Dua Dance in the community in Tanjung Eran Village. This type of research is qualitative research with a descriptive method. The main instrument of this research is the researcher and is assisted by supporting instruments such as stationery and cameras. Data were collected through literature studies, observations, interviews and documentation. The steps of analyzing data are data collection, data reduction, data modeling, and drawing conclusions. The results of the study show that the survival and sustainability of the Knife Dance in Tanjung Eran Village, Pino District is still ongoing to this day through the Elan Sakti College taught by Datuk Ardin. The survival of the Dua Dua Dance can be seen in terms of the form of movement, costumes and rituals that have not changed from the past to the present. The ritual is to prepare offerings containing (black chicken/beetle chicken and brown rice), then prepare a complete betel nut containing (lime, betel, areca nut), prepare a basket of rice filled (rice, lime, white thread, needles, glasses filled with salt chili) and a bowl of Situngkat Guru White Cloth 1 piece per person and 3 colors of yarn (yellow, black,  white). The offerings that were prepared were used before becoming a member and after mastering the Pisau Dua dance is still carried out without any change at all. In terms of performing the Pisau Dua dance at an event, there is a procedure carried out by the dancer, namely bathing using lime. It is this resilience that makes sustainability in people's lives so that the Pisau Dua dance can be used in traditional ceremonies such as marriage ceremonies.

Indonesia is a country that has extraordinary natural wealth because Indonesia is located in a tropical area which has high rainfall and sunlight almost all the time which makes plants grow fertile then has many mountains which are rich in minerals and has vast waters which are rich in minerals. marine animals and also Indonesia has abundant fertile land. Agriculture is the sector that receives the main attention in the development of food crop commodities. Indonesia is an agricultural country, where the main source of livelihood for the people is agriculture. This is motivated by geographical location. Indonesia is located in a tropical area, so the weather conditions, land and other resources in Indonesia have high potential to develop the agricultural sector. Based on these results, it can be concluded that all variables in this study are reliable. All variables have a normal distribution. This is proven by testing using the normality test. It is known that the Commodity Price, Land Area and Number of Areca Palm variables (X) and the farmer's income variable (Y) have values ​​greater than 0.05, so these variables have a significant effect. Based on the t test, the variables commodity prices, land area and number of areca nut have a significant effect on farmer income. The higher the price of commodities, the area of ​​land and the number of areca nuts owned and managed, the higher the price of commodities and the number of areca nuts and the area of ​​eating land that farmers' income will increase. Meanwhile, the analysis of commodity prices, land area and number of areca palms on farmer income based on test results (R2) has quite a large influence, namely 64.9%. Meanwhile, the remaining 35.1% was influenced by other factors not examined in this research. Thus, commodity prices, land area and number of areca nuts affect farmer income