Universitas Islam Kuantan Singingi: E-Journals
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A Mobile Application for Early Skin Cancer Screening and Skin Health Awareness: A Case Study of Muara Angke
Get PDFThis study aimed to develop a mobile application for early skin cancer screening while simultaneously enhancing public awareness of skin health, with a case study conducted in the coastal area of Muara Angke, North Jakarta. The research was motivated by high levels of ultraviolet radiation exposure and limited access to healthcare services, which often lead to delayed skin cancer detection. An empirical quantitative approach was employed by utilizing a Convolutional Neural Network (CNN) based on the ResNet50 architecture, deployed through a cloud based infrastructure and integrated into a Flutter based mobile application. The system was designed using an edge cloud computing approach to address the computational limitations of mobile devices. The results indicated that the application effectively performed preliminary skin lesion screening, provided classification outcomes with confidence scores, and delivered accessible skin health education content. Although the application was not intended to serve as a medical diagnostic tool, it demonstrated significant potential to support early detection efforts and improve community level awareness of skin health. This study contributes to the advancement of mobile health (m-health) by emphasizing the practical implementation of AI based applications tailored to community needs
Analysis of Several Chemical Properties during The Incubation Period in the Agrotechnology Cultivation Land of Rantau Selatan District
Get PDFLand management practices primarily influence soil fertility. The utilization of farmer group land at Agrowisata Beken Jaya in Kuantan Senggigi Regency has been ongoing for seven years, employing both inorganic and organic fertilization techniques that are inconsistent or tailored to specific conditions. Therefore, it is essential to assess the soil's current state and chemical properties to promote sustainable agriculture. This study employed a purposive random sampling method for soil collection at 15 drilling points, each at a depth of 20 cm. The parameters analyzed included pH, organic carbon (C-organic), total nitrogen (N-total), and the carbon-to-nitrogen (C/N) ratio. The research findings indicate that oil palm soil exhibits lower pH, organic carbon, and total nitrogen levels than shrub soil, with an average pH of 4.44 versus 4.63, C-organic 0.96% versus 1.19%, and N-total 1.05% versus 1.18%. The low C/N ratio (<10) observed in both soil types suggests rapid decomposition but indicates a low carbon content. This study aimed to determine the chemical characteristics of the soil in cultivated land, providing a foundation for future fertilization recommendations. The findings are particularly beneficial for the community and students, as they enhance understanding of the current state of soil fertility—reason: Improved clarity, vocabulary, and technical accuracy while maintaining the original meaning
Exploration of Citrus Germplasm in Mount Leuser National Park Region
Get PDFCitrus holds significant economic value and nutritional benefits in Indonesia, with varieties like lemon, mandarin orange, and grapefruit being extensively grown for consumption and industrial purposes. The diversity of citrus germplasm plays a crucial role in developing superior varieties that can withstand diseases and environmental changes. This study aimed to assess the diversity of citrus plant germplasm in Gunung Leuser National Park (TNGL), North Sumatra, known for its rich biodiversity. The research involved administrative preparations, field surveys to collect citrus samples from various locations in TNGL, morphological and genetic analysis, and the development of improved varieties through plant breeding. The observations revealed that citrus in TNGL belongs to the Rutaceae family, characterized by compound leaves, thorny stems, strong taproots, and fruits resembling Citrus sinensis. These traits indicate adaptation to local conditions and potential for enhancing citrus varieties' adaptability and productivity. This research is anticipated to support the sustainable management of citrus germplasm and will be published in a reputable national journal
The Impact of Implementing Agarwood Agroforestry System (Aquilaria malacensis Lamk.) on Soil Texture, Topsoil Depth, and Water Retention Capacity in Oil Palm Lands (Elaeis guineensis Jacq.)
Get PDFThe impact of implementing an agroforestry system in oil palm plantations by integrating agarwood-producing plants (Aquilaria Malacensis Lamk.) with oil palm plants on the physical properties of the soil needs to be assessed. This study is crucial due to the shared land use by agarwood-producing and oil palm plants. The study aims to evaluate the effects of integrating agarwood-producing plants into oil palm plantations on soil physical properties, including soil texture, topsoil depth, and water retention capacity. The research was conducted from September 2024 to November 2024 in agroforestry land (1 ha) and monoculture land (1 ha) in Bukit Kemuning Village, Tapung Hulu Kampar - Riau. The study utilized survey methods and systematic sampling for soil sample collection. The findings indicated that the agroforestry system positively impacted soil physical properties, with improved soil texture (54.67% sandy clay), increased topsoil depth, and enhanced water retention capacity compared to oil palm monoculture land. This improvement can be attributed to the higher organic matter content resulting from the decomposition of agarwood plant litter. Therefore, the agroforestry system enhances soil fertility and promotes sustainable environmental management
Growth Improvement Corn Plant (Zea mays L.) F1 Local Variety of North Sumatera which has under Light Irradiation Gamma using NPK Mutiara Fertilizer
Get PDFCorn (Zea mays L.) is a vital food ingredient that plays a significant role in food security in Indonesia, particularly in North Sumatra, and it has considerable potential for developing local corn varieties. This study aims to evaluate the effect of NPK Mutiara fertilizer on the growth of gamma-irradiated local corn (Zea mays L.) plants from North Sumatra. The research was conducted in Perbaungan Village, Bilah Hulu District, Labuhanbatu Regency, North Sumatra Province, from December to February. A completely randomized design (CRD) was employed, featuring one factor and five fertilizer dose treatments: control, 3 g/polybag, 6 g/polybag, 9 g/polybag, and 12 g/polybag, with four replications. The parameters observed included plant height, number of leaves, and stem diameter at 2, 4, 6, and 8 weeks after planting (WAP). The results showed that the application of NPK Mutiara fertilizer significantly affected plant height and the number of leaves at all ages of the plants. The treatment with the highest dose, 12 gr/polybag, produced the best results, with plant height reaching 160.70 cm at 8 WAP, leaves reaching 11.50 leaves, and stem diameter reaching 2.24 cm. NPK Mutiara fertilizer improved the growth of gamma-irradiated corn plants, with higher doses resulting in optimal growth. However, it is essential to apply the correct dosage to avoid harming the plants. This study recommends fertilization with the appropriate dose to optimize corn plant growth in North Sumatra
Biodiversity and Carbon Storage Potential in the Lambosir Hill Area, Mount Ciremai National Park, Kuningan Regency, West Java Province
Get PDFThe potential for biodiversity, including a variety of tree, shrub, and bush species, is particularly pronounced in ecosystems characterized by high biodiversity, which influences the soil's capacity to retain water—the greater the species diversity within an ecosystem, its ability to sequester CO2 increases. Lambosir Hill is one of the hills located within the protected forest area of Mount Ciremai National Park (TNGC). This study aimed to assess the level of plant vegetation diversity on Lambosir Hill and examine the relationship between biodiversity and carbon stocks. This study was conducted in Lambosir Hill, Mount Ciremai National Park in Kuningan Province, West Java. This study began in November 2022 and ended in March 2023. Activities related to data processing were carried out at the Land Resources Laboratory, Faculty of Agriculture, National Development University “Veteran” East Java. The study results showed low diversity at the shrub level and moderate at the tree level. The highest carbon stock was found in Sonokeling and the weakest in Hamerang. The land use type, slope, and vegetation composition influence these values’ differences. These results show the importance of permanent vegetation in supporting carbon stocks and ecosystem stability. It is recommended that woody tree vegetation such as Sonokeling be preserved to maintain the sustainability of carbon reserves in this conservation area
The Relationship of Soil Types to the Dynamics of Groundwater Availability for Rice (Oryza sativa L.) and Corn (Zea mays L.) Plants in Pohuwato Regency
Get PDFThe model for estimating groundwater availability for plants often overlooks the type of soil and the capacity of plants to absorb water from it. This study employs laboratory soil tests and statistical analyses to examine the relationship between various soil types in Pohuwato Regency and the variations in Groundwater Availability (KAT) levels for rice and corn plants. The results indicate that Andosol and Litosol are the soil types with the highest Field Capacity values in Pohuwato Regency, ranging from 331 mm to 403 mm. Meanwhile, Alluvial and Regosol soil types exhibit the lowest Permanent Wilting Point values in the Pohuwato Regency, ranging from 23 mm to 53 mm. The study results revealed a very high average correlation value of 0.907 between Field Capacity and the Permanent Wilting Point concerning the Groundwater Availability model. The research data, which includes soil characteristics and the Groundwater Availability model for rice and corn cultivation in Pohuwato Regency, can serve as a foundation for strategies that farmers can employ to enhance their future agricultural productivity
In Vitro Mutation Induction of Chrysanthemum (Chrysanthemum morifolium) Maruta Variety for Lowlands Using EMS (Ethyl Methane Sulfonate)
Get PDFChrysanthemums (Chrysanthemum morifolium) are among the most popular ornamental plants due to their diverse types, shapes, and colors, making them highly valued in the horticultural market. In Indonesia, chrysanthemums are typically grown in highland regions, where production and flower quality are declining due to global temperature changes. To sustain production, new varieties adapted to lowland conditions are required. This study aimed to induce mutations in the Maruta chrysanthemum variety using Ethyl Methane Sulfonate (EMS) to enhance adaptability and biodiversity. Explants were treated in vitro with EMS concentrations of 1%, 1.5%, and 2%. Quantitative traits—including survival percentage, explant height, number of shoots, leaves, and roots—were analyzed using ANOVA and Tukey's test at the 5% level. Qualitative traits, such as stem and leaf color, were assessed using the Munsell Color Chart. Results showed that more than 50% of Maruta explants survived under all treatments. However, explant height, number of leaves, and number of roots decreased as EMS concentration increased, compared with the control
Exploration of Phytochemical and Morphological Profile of Melastoma malabathricum from Central Kalimantan as a Tropical Plant with Therapeutic Value
Get PDFThis study aimed to explore the morphological characteristics and phytochemical content of Melastoma malabathricum, a tropical plant native to Central Kalimantan, recognized for its therapeutic potential. Sampling was conducted purposively in its natural habitat, followed by morphological description and preliminary phytochemical tests to identify secondary metabolites using standard phytochemical screening methods (tube test). The results revealed that M. malabathricum exhibits distinctive morphological features in both vegetative and reproductive organs, including woody stems with prominent branches, single elliptical leaves with three pinnate veins and a hairy underside, bright purple flowers with prominent petals, small, round fruits that turn purple-black when ripe, and taproots with numerous branches. Phytochemical tests revealed the presence of flavonoids, tannins, saponins, and alkaloids, supporting the plant's pharmacological potential. Traditionally, this species has been used as a wound healer, anti-inflammatory agent, and antimicrobial remedy. M. malabathricum shows promise as a valuable source of natural bioactive compounds, facilitating research into the development of modern herbal medicines. These findings confirm that M. malabathricum not only exhibits unique morphological characteristics typical of tropical habitats but also holds significant potential for advancement in health and pharmacology. Due to its diverse secondary metabolite profile, this plant is an excellent candidate for phytopharmaceutical raw materials, warranting further research focused on isolating active compounds and evaluating their biological activities both in vitro and in vivo
Optimization of Biological Nitrogen Fixation by Rhizobium Bacteria to Enhance Growth and Yield of Soybean (Glycine max L.)
Get PDFRhizobium bacteria play a pivotal role in soybean (Glycine max L.) cultivation through their ability to perform biological nitrogen fixation. The effectiveness of Rhizobium in increasing crop yield is influenced by the soybean variety and the inoculation dose applied. Therefore, the application of Rhizobium inoculants appropriate to soybean varieties has the potential to increase the efficiency of nitrogen utilization in a sustainable and environmentally friendly manner. This study aims to determine the effectiveness of Rhizobium strain doses on the growth and production of two soybean varieties. The study was conducted using a factorial Randomized Block Design (RBD), consisting of two factors: soybean varieties (Anjasmoro and Dega 1) and Rhizobium doses (control/without Rhizobium, 10 g/kg seed, and 15 g/kg seed). Data were analyzed using analysis of variance (ANOVA) and continued with Duncan’s Multiple Range Test (DMRT) at a significance level of 5%. The results showed that the interaction between soybean varieties and Rhizobium doses had a significant effect on leaf area. The best treatment combination was obtained with the Dega 1 variety and a Rhizobium dose of 15 g/kg of seeds. The Dega 1 variety had a significant effect on seed weight per plant and per plot. This variety demonstrates superior physiological capabilities and adaptability in utilizing growing resources for seed biomass accumulation, thereby contributing to increased national soybean yields. A Rhizobium dose of 15 g/kg seed had a significant effect on the number of root nodules and the number of soybean pods. Therefore, this dosage is recommended as the standard in soybean cultivation using inoculation technology