ABSTRACT Pakcoy mustard is one of the most popular vegetables in Indonesia because it tastes good, is nutritious and is rich in vitamin A and vitamin C. Conventional pakcoy cultivation practices that use agrochemicals such as chemical fertilisers and synthetic pesticides can leave residues in the soil and on crops that have the potential to pollute the environment and endanger consumer health.…
ABSTRACT Shallots (Allium ascalonicum L.) is one of the important vegetable commodities in Indonesia and is widely used as a spice and herbal medicine. The many benefits of shallots are the main factors so that plant growth and yield can be increased with the right fertilization strategy. This research was conducted experimentally using a factorial Completely Randomized Design (CRD) consi…
Drying is a crucial stage inthe processing of Chlorella vulgaris powder. C. vulgaris is a microalgae that is rich in high nutrients. In addition to having high nutrients, this microalgae has good chlorophyll and antioxidant content. This can make the processing of C. vulgaris powder very important. The purpose of this study was to determine the chemical content of C. vulgaris powder using oven …
ABSTRACT Forest and land fires frequently occur in Pelalawan Regency, an area characterized by extensive land use for agriculture, plantations, and industrial forest plantations. This condition renders the region particularly vulnerable to forest and land fires, especially during the dry season, with such disasters recurring annually. The forest fire incident on customary (ulayat) land in Soto…
ABSTRACT Employment remains a critical issue in Indonesia, including in Rokan Hulu Regency, where the absorption rate of local labor remains relatively low despite the existence of regional regulations intended to address the problem. Regional Regulation Number 9 of 2017 was enacted as an initiative by the Rokan Hulu Regency Government to promote the empowerment and optimal placement of l…
ABSTRACT The distribution of Malay inheritance in Sungai Tohor Village follows a patrilineal system, or lineage through the father. Therefore, the inheritance law here dictates that males are indeed entitled to receive half of the inheritance, or a larger share compared to females. In fact, this aligns with both customary law and Islamic law, where inheritance distribution has been regulat…
ABSTRACT In recent times, the utilization of residential streets as parking spaces has become increasingly prevalent within the community. This practice has resulted in various negative impacts affecting the daily lives of residents. Streets intended for shared use are instead utilized for the personal convenience of specific individuals, causing discomfort among local residents. This issue is…
ABSTRACT The development of information technology has driven changes in the patterns of public participation in the legislative process in Indonesia. One form of participation that has emerged is online petitions, which serve as a means for citizens to collectively and openly voice their aspirations. The research question in this study is how strong the legal force of online petitions is …
ABSTRACT This thesis examines the resolution of a dispute between the community of Bengkalis Subdistrict, Bengkalis Regency, and PT Rimba Rokan Lestari (RRL) that arose due to overlapping claims between the customary rights of the Bengkalis Malay tribe and the industrial forest concession (HTI) permit granted to the company. This dispute reflects a structural agrarian conflict involving differ…
ABSTRACT Amid growing energy demands and the depletion of fossil fuel sources, the use of alternative energy such as charcoal briquettes presents a sustainable and environmentally friendly solution. This reasearch aimed to determine the best ratio from the combination of teak leaves and coconut shells charcoal with sago starch adhesive based on SNI No. 01-6235-2000. The research was conducted …
ABSTRACT This research aims to obtain the best concentration of Sodium Hydroxide (NaOH) in relation to the characteristics of activated carbon from rubber seed shells. This research was conducted experimentally using a Completely Randomized Design (CRD) consisting of 5 treatment levels in the form of NaOH activator concentrations and 3 replications. The treatment in this study consisted of in …
ABSTRACT This study aims to obtain selected characteristics of activated charcoal made from sago bark waste with several concentrations of sodium hydroxide as an activator. This study was conducted using a complete randomized design with four treatments and four replications. The research was conducted experimentally using a completely randomized design (CRD) with one treatment and four re…
ABSTRACT The purpose of this study is to determine the feasibility of Semut Island as a tourist attraction and to understand visitors' perceptions of its potential. This study uses a mixed-method approach. Data will be collected through observation, interviews, and literature review. Interviews will be conducted with both management and visitors. Management will be selected using purposive sam…
ABSTRACT This study aims to determine the interaction between the application of liquid organic fertilizer and NPK fertilizer, as well as to identify the single-factor effects of each treatment on the growth of oil palm seedlings (Elaeis guineensis Jacq.) in the Main Nursery. The experimental design used two factors: the first was liquid organic fertilizer (O) at three levels (O1 = 6 ml/plant,…
ABSTRACT Dry land in Riau Province is dominated by the Red Yellow Podsolic soil type which is characterized by soil color that tends to be yellow to reddish brown with characteristics of having a high degree of acidity, low organic matter content, Fe deficiency, and poor nutrients. One thing that needs to be done to overcome the deficiencies in podzolic soil is to provide coal fertilizer. Podz…
ABSTRACT Eggplant (Solanum melongena L.) is a widely consumed vegetable in Indonesia, either as fresh salad or processed into various dishes. It is rich in nutrients, particularly Vitamin A and phosphorus, making it a potential contributor to improving the nutritional diversity of the population. In Riau Province, the average productivity of eggplant has declined, necessitating improvement…
ABSTRACT Okra is currently gaining popularity among the public. Okra plants are not yet widely cultivated in Riau Province, which results in low okra production. Consequently, okra cultivation has good potential due to increasing market demand. This research aims to determine the interaction effect of Bokashi fertilizer and NPK fertilizer application, as well as the main factors of each treatm…
ABSTRACT Soybeans (Glycine max L. Merrill) are one of the most important food crops, rich in plant-based protein. However, domestic production does not yet meet national demand, due to various factors such as land conversion and low soil fertility. One approach is to incorporate organic materials like biochar, which is the pyrolysis product of agricultural waste such as rice husks, containing …
ABSTRACT The study aims to compare the diversity of soil macrofauna and mesofauna on various land covers on the University of Riau campus. The research location consists of 5 types of land cover including the Arboretum of Riau University, grass land cover, oil palm land cover A (Marihat), experimental garden of the Faculty of Agriculture, Riau University, and oil palm land cover B (Lonsum). Ma…
ABSTRACT Mangosteen plant (Garcinia mangostana L.) is one of fruticulture plants in horticultural plant groups which is mostly rare infected by plant diseases. The data on disease incidence and intensity have been rarely reported so far. This is assumed that the plant has natural resitance systems derived from secondary metabolites compounds such as triterpene, mangostine, tanein, resin, antos…