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EROSION HAZARD ANALYSIS USING SPATIAL MODELING: A CASE STUDY OF THE TEMBESI WATERSHED, SAROLANGUN REGENCY, JAMBI PROVINCE
No full textThe formulation of the problem in this study is the characteristics of erosion, the level of erosion hazard, and the spatial model of erosion hazard in the Tembesi watershed, Sarolangun Regency, Jambi Province. Then the main purpose of this study is to determine the level of erosion hazard at the research location points, which will then be spatialized using ArcGIS 10.4. In this study, the research method used is the descriptive qualitative method. Because seeing the information and description of the level of erosion hazard in the Tembesi watershed, Sarolangun Regency, Jambi Province. The data of this study include primary data, namely direct measurements and observations in the field and secondary data, namely data obtained through the relevant agencies. The results obtained in this study are: First, the erosion characteristics at the research location points have two dimensions, namely V and U-shaped dimensions with a depth of 30 cm and some 30cm. Second, the erosion hazard level was calculated using the USLE method, with the results at the research site points 2.00 tons/ha/year. Third, the spatial model used in this research is Arc GIS 10.4. With each level of erosion, hazards are 5.87 (very mild), 29.36 (mild), 2.94 (very light), 2.94 (very mild), 5.87 (very mild), 29, 36 (light), and 205.52 (heavy)
Preliminary Study on Antifungal Activity of Soursop Leaf Crude Extract (Annona muricata L.) towards Fungi Isolated from Bolu Paranggi Cake
Get PDFSoursop leaf extract (Annona muricata L.) contains a many potential active compounds, one of which is antifungal. Bolu Paranggi is a traditional cake from Mandar (West Sulawesi), made from wheat flour and brown sugar so it is at risk of being damaged and overgrown with fungus. This study aimed to extract soursop leaves using double RO (Reverse Osmosis) water solvent with variations in extraction time and the ratio of soursop leaf mass and water volume, identify groups of secondary metabolites compounds from soursop leaf water extract, isolate and identify fungi in Paranggi Bolu cake, and perform antifungal activity test of soursop leaf extract against fungi isolated from Paranggi Bolu cake. Extraction of soursop leaves using double RO water as a solvent with maceration for 24 hours and heating for 15 minutes with a variation of the ratio of soursop leaf mass and water volume of 1:1; 1:1.5; 1:2; 1:2.5; and 1:3. The analysis of the secondary metabolite compound was analyzed using the phytochemical test method and antifungal activity using the agar diffusion method on PDA (Potato Dextrose Agar) media and then measuring the inhibition zone using 6 mm diameter paper discs. The results showed that extraction with the heating method for 15 minutes produced more extract than the 24-hour maceration method at room temperature (RT), where the highest amount of extract was obtained from the ratio of soursop leaf mass and water volume of 1:3. The results of the phytochemical analysis of soursop leaf water extract, both heating and maceration methods, contained flavonoids, alkaloids, terpenoids, steroids and saponins, and antifungal activity tests against Aspergillus isolated from Bolu Paranggi showed weak antifungal activity at extract concentrations of 5,000 ppm - 50,000 ppm. with an inhibition zone diameter of 2 mm. Keywords: soursop leaf extract, antifungal, Bolu Paranggi cak
The Effectiveness of Addition of Tapioca Flour in Artificial Feed on The Growth of Koi Carp (Cyprinus rubrofuscus)
No full textGrowth is the process of increasing the number of cell protoplasm in an organism accompanied by an increase in size, weight and number of cells that cannot return to their previous state. One of the factors that influence the growth of koi carp is feed. Good feed is feed that can meet the nutritional needs of the koi carp. The addition of tapioca flour in the feed formula, which contains artificial feed, tapioca flour, and water in the koi carp feed, is one of the proper steps because of the increase in carbohydrate doses that can support the growth of the koi carp. This study aims to determine the benefits of adding tapioca flour to the artificial feed of the koi carp (Cyprinus rubrofuscus) and to determine the effect and the most appropriate dose of adding tapioca flour to the artificial diet of the koi carp (Cyprinus rubrofuscus). The research method used is a quantitative research method accompanied by direct observation and analysis of research data, which is also accompanied by a literature study method from previous studies to support the findings in the research results. The results showed that the more feed formula was given, the faster the growth of the koi carp produced. But must be accompanied by the right dose, which is 8 grams of feed formula once a day. While the benefits of adding tapioca flour in carp feed are increasing carp production, prolonging goldfish life expectancy, increasing efficiency and nutritional content in carp feed, increasing carp appetite accompanied by increased growth. Keywords: Goldfish Koi, Growth, Feed, Carbohydrates, Tapioca Starc
The Effect of Chicken and Cow Manure Dose Combination on The Growth and Production of Red Chili (Capsicum annum L.)
No full textChili is one of the plants that are needed by the community so that proper cultivation techniques are needed, in this case related to fertilization by utilizing organic animal waste.This study aims to determine the response of the growth and production of red chili (Capsicum annum L.) to chicken and cow manure dose combination. The method used is an experimental method with a factorial completely randomized design which consists of two factors, namely the first factor is the type of animal manure which consists of two levels, namely cow dung and chicken manure, the second factor is the dose of fertilizer there are three levels, namely 200 grams, 300 grams and 400 grams. The total combination of treatments was 9 treatments and 3 replications so that in total there were 27 units. The parameters observed were chili growth (height and number of branches) and chili production (number of fruits and fruit weight). The data were analyzed of variance with 5% and 1% levels, followed by Duncan's 5% further test. The results of the analysis showed that the combination of treatments had a very significant effect on plant height and fruit number (12.77 and 5.00), significantly affected the number of fruits (3.55), but did not affect the wet weight of fruit (2.46).Further test results showed that the best treatment for the parameters of plant height, number of branches, and number of fruit was a combination of 300 grams of chicken manure and 200 grams of cow manure. Keywords: dose, chicken manure, cow manure, growth, productionÂ
Investigating Politeness Maxim Use in the English Textbook for Secondary School in Indonesia Context
Get PDFMaxim was a set of norms which language users adhere to in order to uphold the effectiveness and efficiency of communication. Maxim analysis was one of the studies that had received a lot of attention. Maxim analysis was done not only in direct conversation, but also in written conversation, such as novel and textbooks. This study aimed to analyze the types of politeness maxims that were used in the textbook entitled "Modul Pengayaan Bahasa Inggris untuk SMP/MTs Kelas VIII Semester 1" published by CV GRAHADI. This study was qualitative research using the content analysis method. The object of research in this study was the dialogue that contains the politeness maxim that was used in the textbook entitled "Modul Pengayaan Bahasa Inggris untuk SMP/MTs Kelas VIII Semester 1.†In this study, the instrument was the researcher herself, and the observation sheet was used in conducting this research. The researcher used the documentation method to collect the data, whereby the researcher analyzed a textbook to obtain data or information related to the problem under study. Finding of this study show that politeness maxims used in dialogues in the junior high school textbook entitled "Modul Pengayaan Bahasa Inggris untuk SMP/MTs Kelas VIII Semester 1" were all the types of politeness maxims, such as tact maxim, generosity maxim, approbation maxim, modesty maxim, agreement maxim, and sympathy maxim. The politeness maxim with the most occurrences was the agreement maxim, with 24 occurrences, and the politeness maxim with fewer occurrences was the tact maxim, with one occurrence. It can be concluded that this book perfectly implements Leech’s politeness principle theory. Therefore, it is suggested that the teacher introduce the value of the politeness maxim in the textbook and apply it in the learning process with the aim of developing student behavior
Application of Problem-Based Learning Model for Improving Students Understanding of Human Rights Concepts at Class VII Students of SMP Neg. 29 Rumbia
No full textThis Classroom Action Research (CAR) was designed to examine the application of the "Problem Based Learning" model in improving the ability to understand the concept of human rights in Civics subjects for seventh grade students of SMP Neg. 29 Rumbia Bombana Regency. Human rights material taught in Civics is intended as an effort to increase students' knowledge and awareness of human rights. The aim is to prevent students from taking actions that are contrary to human rights and not discriminatory behavior based on differences so that human rights violations occur. With the problem based learning model, the teacher only directs effective and efficient strategies, namely learning how to learn (learning how to learn) but students can actively discuss solving problems presented by the teacher. As well as the teacher as a guide (provider of directions / instructions) to help students if they find difficulties in learning and solving problems. Based on the results of the study, it can be concluded that the Problem Based Learning model can improve students' ability to understand the concept of Human Rights in Citizenship Education lessons in class VII students in the even semester of the 2021/2022 academic year at SMP Neg. 29 Rumbia
A PORTRAIT OF TEACHING WRITING IN EFL LEARNERS’ CLASSROOM
Get PDFThis paper is designed to assist EFL teachers. It attempts to give insight and share ideas on how four methods of teaching can be implemented in EFL learners’ classrooms, particularly in teaching writing. Audio-lingual, grammar translation, communicative language teaching, and a genre-based approach are among the methods used. Through this study, the teachers can hopefully use the combination of those methods to assist the students in learning writing skills. Audio-Lingual opens the class through drilling activities that are followed by the grammar translation activities. Afterwards, the class continued with the Communicative Language Teaching and the students were eventually assigned to produce a text in the final stage using the Genre Based Approach. To make it clearer, this paper also provides the steps for implementing the combination of the four methods. So, the EFL teachers are able to gain more explicit input.Keywords: audio-lingual, grammar translation, communicative language teaching, and genre based approac
Variation of the Amount of Seeds per Planting Hole to the Response of Lettuce Plant with DFT Hydroponic System
Get PDFLettuce is a vegetable plant whose needs always increase every year according to population growth. Therefore, it is necessary to make efforts to increase the production of lettuce by increasing the number of seeds per planting hole using the DFT hydroponic system. This study aims to determine the effect of the number of seeds per planting hole on the growth and yield of lettuce plants and to determine the number of seeds per planting hole that produces the highest growth and yield of lettuce plants. Implementation This research was conducted from August to September 2021. Located in the Community Food Barn, the Department of Food Security and Fisheries, Banjar Regency. The method used in this study was a completely randomized design (CRD) with treatment S1 (control), S2 (2 seeds per planting hole), S3 (3 seeds per planting hole), and S4 (4 seeds per planting hole). The treatment was repeated 4 times to get 16 experimental unit Based on the results of the research, it can be seen that the number of seeds per planting hole has an effect on the growth and yield of lettuce. The best treatment was found in S4 which had the highest value at an average plant height of 36.25 cm, an increase in plant height at 28 DAP of 11.61 cm, an average number of leaves of 22.06 strands, and an average yield harvest of 153.75 grams. DFT hydroponic cultivation of lettuce resulted in optimal production of 4 seeds per planting hole. Useful research for the efficiency of lettuce production using hydroponics. In addition to production efficiency, it is necessary to consider plant competition to utilize existing resources for optimal growt
Implementation of Reading, Questioning and Answering (RQA) Learning Strategies in Improving Learning Outcomes of Class XI Students of SMA 6 Kerinci
No full textThe RQA (reading, questioning, and answering) learning model is an active learning model that emphasizes reading, asking, and answering. This study aims to determine the application of reading, questioning, and answering (RQA) learning strategies in improving student learning outcomes in class XI SMA N 6 Kerinci. This research is a type of quantitative research with experimental methods. The research population came from class XI SMA N 6 Kerinci, amounting to 44 people. The sample came from class XI MIPA 2, which amounted to 22 people. The sampling technique in this research is the random sampling technique. Data collection techniques in the form of observation and tests. The test is used to see student learning outcomes using reading, questioning, and answering (RQA) learning strategies. The research instrument is a test in the form of objective questions totalling 30 items carried out for validity, reliability, difficulty index and discriminatory power. Data analysis technique using T-test and N-Gain. The results showed that 1) the results of the study before applying the RQA strategy the highest score of students was 70 and the lowest score was 40 with an average pretest score of 51.59, 2) student learning outcomes after implementing the RQA learning strategy obtained the highest score of 90 and the lowest score of 65 with the result the average posttest is 78.18, 3) there is a significant difference in the application of the RQA strategy in improving student learning outcomes in class XI SMA N 6 Kerinci. Keywords:   Strategy of RQA, Learning Outcomes
The Effect of The Covid-19 Pandemic on The Amount of Waste at The Toisapu Final Processing Site (TPA) Ambon City, Maluku Province
Get PDFThe massive Covid-19 pandemic has caused countries to implement policies in the form of social restrictions to limit activities outside and only carry out activities indoors. The risk of contracting the Covid-19 virus causes a reduction in public activities in the form of commercial, institutional, and public service facilities. This has an impact on the amount of waste generated by people in urban areas during the pandemic. Therefore, this study aims to determine the effect of covid-19 on the amount of waste that enters the Toisapu TPS in Ambon city and to see the difference in the average amount of waste before the pandemic and during the COVID-19 pandemic with Paired Sample T Test analysis using IBM SPSS statistics 25 application. The results showed that there was a correlation between the two variables (0.693) which means that the correlation of the amount of waste entering the Toisapu TPS between before and during covid-19 was strong but not significant as indicated by the probability value (sig.) 0.013 0.05. While the calculated t value is 3.16 2.63 (t table value) so it can be concluded that the average amount of waste before and during the Covid-19 period is different.                Keywords: Pandemic, waste, T tes