Rice (Oryza Sativa L) is one of the most important cultivation plants for human survival. Rice plant diseases often result in the growth of rice plants to be disrupted and can even make rice production fail. Lack of knowledge of information about the causes of rice disease and how to prevent this disease, a system is needed to classify types of rice disease based on their symptom characteristic…
This research is aimed at developing English instructional tools (lesson plan and students’ worksheet) by applying inquiry-based learning as one of the learning model suggested in the 2013 curriculum and to find out the validity level of developing English lesson plan and students’ worksheet by applying inquiry-based learning in teaching recount texts for the first year students of SMA. Thi…
Vitamin C plays important role in maintaining the body's physiological processes, preserving enzymatic activity in collagen biosynthesis, and also plays a role in wound healing. The study was conducted from May to August 2019 in the Laboratory of Parasitic and Fish Disease, Fisheries and Marine Faculty, Riau University. This study aimed to obtain the best dose of vitamin C enriched pellets on r…
This research was conducted to analyze item quality of written test for Senior High School in Biology Olimpiad at Riau dan Kepulauan Riau 2018. This research was carried out in October – November 2018. This research is a descriptive research, the data analyzed by quantitative method composed by difficult level, distinguishing power, fungtion of distractor, validity and reliability item and se…
Armyworm (Spodoptera litura F.) is a major pest that is polyphagaus, where its hosts are crops, vegetables, fruits, and plantations. The safer control toward the environment is using botanical insecticides, namely some of the Annonaceae family plants such as sour-sop leaves, sweet-sop leaves, sugar-apple leaves, and mountain sour-sop leaves. The purpose of this study is to obtain the best leaf …
This study aims to know and analyze about the influence of managerial ownership, institutional ownership, debt policy on firm value moderation dividend policy at companies listed on the Indonesia Stock Exchange 2015-2017. The sampling technique used purposive sampling method. The sample of this study amounted to 228 sample. This research data uses secondary data obtained from the IDX website an…
The background of this study is the lack of student attention to learning material. This study aims to describe the influence and differences in the ability to determine the intrinsic elements of students' short stories using the sociodrama method. This research was conducted in class V SD Negeri 131 Pekanbaru. Based on the results of the study it was found that there is an influence of the abi…
This study aims to analyze the effectiveness of collection, contribution and potential of local tax revenue in the city of Pekanbaru. The population of this study is Bapenda and corporate taxpayers in Pekanbaru City. The study was analyzed using the stepwise mixed-method strategy. The first stage uses quantitative analysis to analyze the effectiveness, contribution, and potential of local tax r…
Mini grafting durian was a vegetative propagation to produce superior durian seedlings. The success of mini grafting is determined by the availability of hormones in the seed. Plants that lacking of phytohormone can inhibit the growth of seedlings. Therefore, an attempt was made to fulfill phytohormone by providing BPT. The purpose of this research was to determine the effect of BAP and ge…
The family is the smallest unit or institution in the midst of the community, the family generally consists of father, mother and child, but there are also families that only have mother and children, of which mothers are Single Parents in a family or more known as Single Parent. This study aims to determine the characteristics of Single Parent families and the implementation of Single Parent f…
The elderly will experience a decrease in body condition and function; a decrease in the quality of sleep characterized by insomnia. Decreasing the quality of sleep can cause a decline in the life expectancy of the elderly. One therapy that can overcome the sleep needs of the elderly is by means of autogenic relaxation therapy. This research aimed to determine the effect of autogenic relaxa…
The increasing number of bridge damage cases in Indonesia means that there are still many bridge structures in Indonesia that have not been able to function optimally. This is also related to the influence of Indonesia which is located on active tectonic and volcanic pathways which cause damage to the bridge structures. The case study for the analysis was the Sungai Siak II Bridge with a 200 m …
One of pollutants that enter the Sail River is heavy metal. Efforts to reduce the level of heavy metal (Pb and Cr) can be conducted by using biocords. In this research the biocord fibers were replaced with raffia fibers (biorafia). To understand the effect of biorafia density toward the decreasing level of heavy metal such as Pb and Cr on the water of the Sail River, a research has been done in…
This study aims to determine the effect of Interest Rates, Inflation and Imports on the Exchange Rate of Rupiah (Exchange Rate) in Indonesia. This research periodically uses time series data during the period 2007-2018. Data is sourced from the Central Statistics Agency (BPS). The analytical method used is multiple linear regression using the SPSS 22 computer program. The results of testing th…
This study aims to examine the effect of leadership and compensation on employee performance through employee job satisfaction in PT. Tunggal Perkasa Plantation Regency Indragiri Hulu, totaling 110 people. Data collection in this study uses questionnaire surveys with sampling techniques for this study using (saturation) that is taking the entire population, then sampled. The questionnaire was…
This study aims to find out the right strategy to develop a creative vegetarian restaurant in the city of Pekanbaru. This study uses secondary data from certain parties and primary data from vegetarian restaurant businesses in the city of Pekanbaru, amounting to 15 business units. Data collection techniques used are interviews, questionnaires and documentation. The analytical method used in thi…
The purpose of this study was to determine relatonship of self concepts with coping strategies on kindergarten teacher at tambang districk, kampar regency. The population in this study were all kindergarten teachers in Tambang District, Kampar Regency, which were as many as 122 teachers consisting of 33 kindergarten. The sample used is a random sampling the meaning samples were taken randomly, …
The purpose of this research is to know The Influence of principal supervision and organizational climate toward discipline teachers of vocational high schools in Tampan districts Pekanbaru city. The research was conducted in vocational high schools Pekanbaru districts Tampan. The population as many as 110 people, and a sample of 52 respondents to the first test instrument against 30 responden…