ABSTRACT Orchid (Dendrobium sp.) is one of the largest orchid genera, boasting over 2,000 species. The beauty of the orchid flower makes this a valuable economic commodity. One of the challenges in orchid cultivation is the acclimatization process following in vitro culture. Unsuccessful propagation attempts are often due to the orchid's lack of adjustment or inability to adapt to the exte…
ABSTRACT This study aims to determine an effective concentration of areca nut seed flour extract on the mortality of pod borer (Maruca vitrata Fabricius) in the laboratory. The research was conducted experimentally using a completely randomized design (CRD) consisting of five treatments and four replications, resulting in a total of 20 experimental units. The treatments included the applic…
ABSTRACT Upland rice (Oryza sativa L.) is a staple food crop that produces rice, which serves as the primary food for 95% of Indonesia's population. Its rich nutritional content makes it crucial for fulfilling the food needs in Indonesia; however, rice production has been declining. One solution to increase the production of upland rice is to utilize marginal lands for cultivation. Yet, these …
ABSTRACT Soybean (Glycine max L.) is a source of plant based protein that is affordable for the community. Soybeans are consumed in various forms, such as being processed into soy sauce, soy milk, tempeh, and tofu. The demand for soybeans in Indonesia is still unmet and is supplemented through imports. Based on this, one of the efforts to increase soybean production and productivity is by util…
ABSTRACT Coptotermes curvignathus is a major pest that attacks oil palms in peat soils. The origin of the isolate affects the pathogenicity of the entomopathogenic fungus Metarhizium anisopliae. This study aims to obtain the concentration of entomopathogenic fungus Metarhizium anisopliae local isolate as a bioinsecticide against termites Coptotermes curvignathus, a pest of oil palm. The resear…
ABSTRACT Kenaf (Hibiscus cannabinus L.) is a fiber-producing plant from the bark of its stems, which is used as a substitute for hemp and an alternative for the wood, pulp, paper, and textile manufacturing industries. Kenaf production declined by approximately 13% from 245.5 thousand tons in 2015 to 212.1 thousand tons in 2018. The low production of kenaf is influenced by the limited availabil…
ABSTRACT This study aims to assess the quality of oil palm fruit produced both physically and chemically from different plant ages in Kubu District, Rokan Hilir Regency. The problem faced by farmers in Kubu Sub district is the low price of fresh fruit bunches (FFB) caused by poor quality of oil palm fruit such as FFB size and small fruit weight. The research was conducted using survey method, …
ABSTRACT This research aims to determine the interaction of rice husk biochar and NPKMg fertilizer, and to obtain the best dose for the growth of oil palm seedlings (Elaeis guineensis Jacq.) at the pre nursery stage on top soil media. This research was conducted using a completely randomized design (CRD) factorial consisting of two factors. The first factor of rice husk biochar consists of…
ABSTRACT Ghimbo Bonca Lida Customary Forest is a customary forest located in Riau Province, featuring secondary dryland forest cover spanning approximately 100,8 hectares. This forest plays a crucial role as a habitat for various wildlife, particularly mammals, amidst a landscape dominated by oil palm plantations. This study aims to analyze the diversity and dominance of mammals and record…
ABSTRACT Acacia is one of the forest tree species widely cultivated in Industrial Forest Plantations (IFPs), but it is susceptible to wilt disease caused by yhe Fusarium pathogen. This disease can reduce productivity and cuse seedling mortality. The use of synthetic fungicides is effective, but it has the potential for resistance and negative environmental impacts, so environmentally frien…
ABSTRACT Indonesia is one of the countries with the largest mangrove forests in the world's mangrove ecosystem, which plays an important ecological role, but continues to experience degradation, including in Teluk Pambang Village, Bengkalis Regency. Rehabilitation activities through a community-based mangrove ecological restoration approach are being carried out to restore the mangrove ec…
ABSTRACT Birds are wildlife species that play essential ecological roles, including seed dispersal, pollination, and acting as natural predators of other animals. The distribution of bird species in different regions varies depending on vegetation structure, habitat size, and environmental conditions that meet the species’ ecological requirements. Mangrove ecosystems serve as important h…
ABSTRACT The Sumatran tiger (Panthera tigris sumatrae) is endangered and faces a high threat of extinction, primarily due to human activities that cause habitat fragmentation and trigger Human-Tiger Conflict (HTC). Pasaman Regency in West Sumatra has been identified as a conflict hotspot with the highest number of incidents in the Conservation Section I (SKW I) of the West Sumatra Natural …
Indonesia is one of the world's largest producers of seaweed, contributing more than 27.86% to global production, with the main export destinations being China, South Korea, Vietnam, and Chile. This study aims to analyze the factors influencing Indonesia's seaweed exports to these countries by examining the impact of Gross Domestic Product (GDP), seaweed prices, exchange rates, and population. …
ABSTRACT Cookies are a type of biscuit made from soft dough with a high fat content, have a relatively crispy texture and are less dense because they have small pores that form during the baking process. Heat moisture treatment (HMT) can modify sinaboi taro flour in making cookies depending on processing conditions like moisture content. This study aimed to determine the effect of variatio…
This research investigates the refusal techniques employed by multicultural English as a Foreign Language (EFL) students at Universitas Lancang Kuning, paying special emphasis to the effects of multicultural, gender and perception. This research was qualitative research by analysing the research problem in more depth and interpreting and describing using relevant theories. Drawing on Beebe et a…
Academic procrastination has become a pervasive challenge in higher education, particularly among postgraduate students facing cognitively demanding tasks like thesis writing. This study was initiated based on preliminary findings that many English Master’s students at FKIP Universitas Riau struggle with delaying academic tasks, often due to internal and external pressures. Students cite…
ABSTRACT Water kefir is a functional beverage that is fermented using kefir grains, water, fruit juice, and sugar. Watermelon fruit can be utilized as an ingredient for making water kefir. This study aimed to determine the sensory and microbiological characteristics of water kefir stored at cold temperatures over varying storage periods. This research was conducted experimentally using a c…
The objective of this study is to empirically examine the influence of Islamic Corporate Governance, Islamic Corporate Social Responsibility, and Financial Leverage on the Financial Performance of Islamic Rural Banks (BPRS). The population of this study consists of 163 BPRS registered with the Financial Services Authority (OJK). The sampling technique employed is purposive sampling, resulting i…
The quality of a sustainability report reflects a company's transparency, efficiency, and governance in meeting stakeholder needs. This study aims to examine the influence of environmental pressure, consumer pressure, investor pressure, employee pressure, and intellectual capital on the quality of sustainability reports (measured using the GRI index and SEOJK guidelines), with financial perform…