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Mitra Sains
Published by Universitas Tadulako
ISSN : 23022027     EISSN : 26866579     DOI : https://doi.org/10.22487/ms26866579
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Mitra Sains (E-ISSN: 2686-6579 ISSN: 2302-2027) is an open-access peer-reviewed scientific journal in agricultural sciences and agricultural economics. The Mitra Sains is published by Tadulako University in March and September. Mitra Sains invites high-quality research/review articles for publication in the coming issues. Focus: Mitra Sains is an interdisciplinary journal in agricultural sciences and economics. Scope: Mitra Sains welcomes original and significant contributions from across the field in plant science, agronomy, plant protection, forestry, animal husbandry, fishery, agribusiness, and agricultural social economics.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 10 Documents
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Search results for , issue "Vol 7 No 3 (2019): September" : 10 Documents clear
Pengaruh Kompetensi Profesional Guru Terhadap Aktivitas Belajar Siswa, Kemudahan Memahami Materi Pembelajaran dan Hasil Belajar Siswa Pada Mata Pelajaran IPA di SMP Rayon II Kabupaten Sigi Gafil Gafil; Samsurizal M. Suleman; Sarjan N. Husain
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.230

Abstract

The objective of this research was to know the influence and the relationship among teachers’ professional competence to students learning activity, the ease of understanding learning material and students learning outcomes on IPA subject at SMP Rayon II Sigi Regency. This research was a formal research which found out the relationship among the influence of students learning activities Y1, the ease of understanding learning materials Y2 and student learning outcomes Y3 in IPA subject. To measure the teachers professional competence (X) is obtained by using the observation sheet that contained the teachers assessment activities, variable Y1 obtained by observations on the implementation process of learning in the classroom, variable Y2 about the ease of understanding the learning materials obtained by questionnaire and variable Y3 on student learning outcomes obtained of the results of tests conducted by each teacher that being a sample in this study. The results indicated that the teachers’ professional competence had very real influence on students' learning activities and ease of understanding learning material but not real on student learning outcomes. In conclusion, teachers’ professional competence is a matter that needs to be developed by teachers with special autonomy so that they had more professional responsibility. Achievement of the average value of the percentage of the activity of 27 teachers with students as much as in 1080 reached 76.85% or in the good criteria according to the size specified by Depdiknas (2004).
Profil Pemecahan Masalah Matematika Siswa Kelas VIII SMP dengan Kecerdasan Intrapersonal dan Interpersonal Agung Wicaksono; Mohammad Rizal; Sukayasa Sukayasa
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.231

Abstract

This study is a qualitative research that aims to get a description of the profile of mathematical problem solving class VIII SMP with intrapersonal and interpersonal intelligence based on Polya phase. The subjects of this study were students at grade eighth of Junior High School who have a intrapersonal and interpersonal intelligence. This study was conducted at the Junior High School in Palu, Central Sulawesi. The results of the study were as follow a) at the time to understand the math problems, subject who have intrapersonal intelligence tend to be cautious and be very confident if it had understood the problem well , while subject who have interpersonal intelligence tend to build up interaction with other people to easily understand the problems; b) during design the problem solving plan, both of the subjects used a same method, subjects with intrapersonal intelligence are relatively more patient and calm in the search for solving ideas than subject with interpersonal intelligence; c) when implemented problem solving plan, both of the subjects used the solving steps according to the plan, subject with intrapersonal intelligence did with relatively more thorough and careful than subject with interpersonal intelligence; d) when look back at the solution obtained, subject with intrapersonal intelligence tend to check repeatedly until feel confident with the answers, while subject with interpersonal intelligence tend to be checked only once and often asked and always said, had been convinced by the answer as to avoid having to prove in writing .
Profil Pemecahan Masalah Sistem Persamaan Linear Dua Variabel Siswa SMAN 1 Sindue Ditinjau Dari Kecerdasan Emosional Tinggi Adryana Smita; Maxinus Jaeng; Sudarman Bennu
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.232

Abstract

This study aimed to obtain a profile solving linear systems of equations of two variables at SMAN 1 Sindue terms of high emotional intelligence. This research is a qualitative research. The research subject is obtained from tests of emotional equotient. The subjects used in this study wasone studentistaken out of grade X students who have high emotional equotient (SEQT). The results of the study at this stage of understanding the problem, (1) SEQT able to write and mention the known and asked, identify the unknown with the sentence statement and asked the interrogative sentence or order,provide examples of known and asked to use their own words, have confidence high and quiet in understanding the problem; (2) SEQT plan calmly problem solving using elimination and substitution; (3) SEQT implement planned seriously and not in a hurry using of elimination and substitution with a relatively short time; (4) SEQT check all the answers that made carefully. After getting the final results and validate the answers then believe that their results are correct, have high self-confidence, more calm and able to adapt to the social environment.
Pengaruh Pengetahuan Awal, Kecerdasan Emosional dan Perhatian Orang Tua Terhadap Hasil Belajar Matematika Siswa Madrasah Tsanawiyah di Kecamatan Galang Kabupaten Tolitoli Busra Busra; Mustamin Idris; Dasa Ismaimuza
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.233

Abstract

The Research aimed at dinding out describing the direct and indirect effects of Prior Knowledge, Emotional Quotiont, and Parents attention on students Achivement of Mathematics in MTs Galang Subdistrict Tolitoli Regency. The Population of the Research was the students MTs Galang Subdistrict, Tolitoli Regency registered in 2015/2016, consisted of 984 students. These samples are taken with probability sampling technique. The data of prior knowledge and toward the mathematics learning which using achievement test, and the data emotional quotient and parents attention are taken with questionnaire. Istrument test cover validity and reliability. Hypotesis fourth, fifth, sixth, and seventh are using double regression, with significance level α = 0,05. The research findings indicated that there were significant effect between:First prior knowledge toward themathematics learning with contribution 40,7%. Second, emotional quotient toward the mathematics learning with contribution 12,1%. Third, parents attention toward the mathematics learning with contribution 11,9%. Forth, prior knowledge and emotional quotient toward the mathematics learning with contribution 45,2%. Fifth, prior knowledge and parents attention toward the mathematics learning with contribution 43,7%. Sixth, emotional quotient and parents attention toward the mathematics learning with contribution 20,1% and Seventh, prior knowledge, emotional quotient, and parents attention toward the mathematics learning with contribution 47,4%
Profil Berpikir Kritis Siswa SMP Dalam Pemecahan Masalah Matematika Ditinjau dari Gaya Kognitif Elfa Puspita; Sukayasa Sukayasa; Muh. Rizal
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.234

Abstract

The objective of this qualitative research is to find out the description of the critical thinking profile of SMP students in solving mathematic problems in terms of cognitive style. To achieve the objective of this research used Group Embedded Figures Test (GEFT) by dividing students into field dependent and field independent cognitive style, mathematic problem, interview and observation. The result of this research shows that: (1) understanding the problem, SAi and SMd are able to identify, collect and analyse the given facts and information clearly and logicaly, (2) make a plan, SAi dan SMd are able to devine the alternative solution in order to solve the problem (3) carrying out the problem, SAi is able to use the alternative problem solution based on his plan systematically; meanwhile, SMd still finds it difficult to use the alternative problem solution based on his implementation plan not systematically. and (4) in the last step, SAi is able to evaluate the obtained result relevantly. Furthermore, he also can give clear argument in testing the obtained result. Whereas, SMd is not able to evaluate the obtained result relevantly, so he can not the given in testing the obtained result.
Analisis Nilai Tambah Olahan Dodol Salak di Desa Tamarenja Kabupaten Donggala Ni Kade Widiani; Max Nur Alam; Abdul Muis
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.235

Abstract

This research aims to analyzed incomes and value added of Processed Dodol Salak in Tamarenja Village Donggala Regency, as one of the alternatives to reduce production losses thorny palm as a result of damage at the time of the storage period is done. This research is a qualitative descriptive. The population in this research is the home industry of processed dodol salak in the village Tamarenja Donggala Regency that the research sample, so that the method used census methods. Analyzed using analysis of income and value added. Results of this research is that the net income (profit) of processed home industry dodol salak Rp 1,142,575 per four times the production process for a month and added value obtained by Business Group from home industry business is Rp 32 815 per kilograms of raw materials used. Therefore the domestic industry of processed dodol salak in Tamarenja Village Donggala Regency conducted by KUB Jami'tun Khaerat can increase income and add value
Profil Regulasi Kognisi Siswa SMP Negeri 2 Palu Dalam Memecahkan Masalah Matematika Ditinjau Dari Gaya Kognitif Nur Afrianti Rudtin; Maxinus Djaeng; Dasa Ismaimuza
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.273

Abstract

This research is a qualitative research aimed to describe the profile of cognitive regulation of the students of VIII C class of SMP Negeri 2 Palu in solving system of equations in two variables viewed from cognitive style. The research subjects were one student belonged to independent field and another student belonged to dependent field. The grouping for obtaining the desired subjects was done by administering GEFT test. The research results show that: (1) in the planning stage, FI was not easily influenced by his environment so that he could convey the information that he knew and was asked to him and he could also develop the steps for solving problems, (2) in the problem solving stage in order to obtain results, FI executed the solving steps already planned, and checked the correctness of the solving steps by analyzing the conformity to the plan, sometimes the subject asked himself because he felt that probably the problems were not in line with the solving steps to be achieved, (3) in the stage of checking the correctness of the solution, FI firstly asked to himself for he felt that probably there might be something illogical, then he matched them manually in order to confirm the results obtained, and when observing his own ways of work, FI decided that the results he obtained were correct, (4) FD was easily influenced by his environment; thus, in the planning stage, he tried to interact with others first and only then he could convey the information that he knew and was asked to him, and he could develop the problem solving steps, (5) in the problem solving stage, FD executed the solving steps, and checked the correctness of the solving steps by analyzing the conformity to the plan, sometimes the subject asked himself because he felt that probably the solving steps were not in line with the solutions to be achieved, and (6) in the stage of checking the correctness of the solution, FD asked to himself for he felt that the solutions obtained were not in line with the objectives being asked, and when observing his own ways of work, FD remained confident with the results he obtained.
Profil Pemecahan Masalah Persamaan Linear Satu Variabel Siswa Climber Pada Kelas VII SMP Negeri 3 Palu Padliani Padliani; Sudarman Bennu; Muh. Rizal
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.274

Abstract

This research aimed to describe the profil of students’ problem solving of one variable linear equations of the climber students’ in the grade VII of SMP Negeri 3 Palu. The research subject was gained by adversity response profile questionnaire to classify the type of student that type of adversity quotient climber, camper, and a quitter. Subjects used in this research only one student type of climber. The results of this research shows that: (1) understand the problem, students climber unyielding so as to identify and propose things that are known and questioned on the issue, (2) make a plan, students climber motivate yourself and not easily satisfied so as to propose a contingency plan that will be done to solve the problem, (3) carrying out the plan, students climber always trying and not give up so as to implement the plan as planned and the results obtained are correct, and (4) looking back, students climber is not so just believe in the truth of the results obtained, so the retest by linking it known denfan results.
Analisis Produksi Padi Sawah di Desa Kalawara Kecamatan Gumbasa Kabupaten Sigi Reny Reny
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.275

Abstract

The purpose of this study was to analyze the factors that affect the production of paddy rice farming in the village of Kalawara, the District of Gumbasa. The research was conducted in the village of Kalawara, District of Gumbasa, The Regency of Sigi with the consideration that the village is one of the largest rice using Mekongga rice seed. The population in this study are the farmers of paddy in the village numbering 169 people, by the determination of the sample, the number of respondents who were sampled as much as 20% of the total population of 169 farmers, in order to obtain a total sample of 34 farmers, respectively Mekongga seed as many as 18 farmers and other seed for 16 farmers. Based on the analysis using a model Production function Cobb-Douglas then obtained as follows: land area (X1), seeds (X2), urea (X3), fertilizer Phonska (X4), labor (X5),) and dummy use of seeds together (simultaneously) very significant effect on production or variable (Y), partially each variable (land, seed, fertilizer urea, fertilizer Phonska, labor, pesticides and dummy use of seeds effect on very significant effect on farm production of paddy in the village. The coefficient of determination (R2) of 0.960 indicates that the variation (rise and fall) farm production of paddy (Y) in the village can be explained by the independent variables (Xi) by 96%, while 4% were caused by other factors not included in the model, for example climatic factors and others.
Analisis Pemasaran Jagung Di Kecamatan Ulubongka Kabupaten Tojo Una-Una Rahmah I. Lihawa
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.276

Abstract

This research aims to determine the marketing channels, marketing margin, marketing efficiency and prices part. This research was conducted at Ulubongka district with sample of villages at Borneang and Bongka Makmur village. The locations were selected purposively, because these areas have the harvested area and the highest production at Ulubongka district. Each village samples was taken each 22 farmers. Numbers of merchants sampled were 5 people traders and 2 wholesalers. The analysis model used marketing margin analysis, marketing efficiency and prices part. The result showed two corn marketing channel at Ulubongka district. The smallest total marketing margin obtained on the marketing channel II. Corn marketing efficiency obtained on the marketing channel II was smaller than marketing channels I and part of the price obtained channel II greater than marketing channels I. The corn marketing channels at Ulubongka district efficient is a marketing channel II.

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