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Nur Edy
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Pascasarjana Universitas Tadulako Jl. Soekarno Hatta Km. 9 Palu, Sulawesi Tengah, 94118
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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 203 Documents
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Efektivitas Dan Adaptasi Tumbuhan Eceng Gondok Dalam Menurunkan Kadar BOD Dan COD Dalam Limbah Cair Pabrik Kelapa Sawit Mutmainah Mutmainah; Zainudin Basri; Syamsuddin Laude
Mitra Sains Vol 7 No 1 (2019): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i1.220

Abstract

This research was conducted to determine the effectivity of water hyacinth (Eichhornia crassipes (Mart.) Solms,) on reducing Biohemical Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) content in Palm Oil Mill Effluent (POME) and find out water hyacinth’s adaptation after contact to POME for 21 days. This research was conducted in September to November 2017 at PT. Manakarra Unggul Lestari, Mamuju, West Sulawesi. This research was arranged on Block Randomized Design, consist of four treatments: P0=0 clumps of water hyacinth, P1=5 clumps of water hyacinth, P2=10 clumps of water hyacinth and P3=15 clumps water hyacinth in strerofoam box contains 105,000 cm3 POME/box treatment and repeated 3 times, resulting 12 experimental units. Wet weight, dry weight, root volume, stomata index and chlorophyll content of water hyacinth were measured to determine the adaptation of water hyacinth after contact with liquid waste. The research results showed that water hyacinth is effective on reducing BOD and COD content in POME. P3 was the largest BOD and COD decrease level, BOD was decreases to 97.36% and COD decreases to 97.50%. From the research can be concluded that water hyacinth plants were able to adapt when placed in the POME and did not show significant signs of stress
Pertumbuhan Dan Hasil Tanaman Padi Sawah (Oryza Sativa L.) Pada Duavarietas Dan Jarak Tanam Di Kecamatan Palolo Kabupaten Sigi Simson Simson; Mahfudz Mahfudz; Sakka Samudin
Mitra Sains Vol 7 No 1 (2019): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i1.221

Abstract

The research aims to examine the interaction between varieties and plant spacing of rice and the growth and yield of rice crops with different varieties and different plant spacing. This research arranged in two factors of randomized block design. The first factor was the treatment of two varieties (V) consist of: V1 = Cisantana Varieties,V2 = Ciherang Varieties. The second factor was treatment of plant spacing (J), consist of : J1 = 20x20 cm, J2 = 20x25 cm, J3 = 20x30 cm and J4 = 20x35 cm. The result of this research shows that the interaction between ciherang varieties with plant spacing of 20 x 35 cm given the highest number of rice plants tillers 24.33 stems/clumps, and cisantana varieties with plant spacing of 20 x 25 cm given the highest number of rice plants tillers 22,67 stems/clumps at 75 Days After Planting (DAP). The interaction between ciherang varieties with plant spacing 20x25 cm produce dry grain weight 6.37 tons/ha. While cisantana varieties with plant spacing of 20 x 35 cm produce dry grain weight 6.22 tons/ha. Ciherang varieties provide growth (plant height, number of leaves at 30, 45, 60 and 75 DAP, and number of productive tillers) better than cisantana varieties, and 20 x 25 cm plant spacing gave better growth and yield of rice than other plant spacing.
Performa Produksi Domba yang Diberi Silase Komplit Jama'Ahni Jama'Ahni; Padang Hamid; Sirajuddin Abdullah
Mitra Sains Vol 7 No 1 (2019): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i1.222

Abstract

This study conducted to determine the influence of completed ration silage on production, performance and sheep physiological status. This study was conducted from March until June 2017. The was study arranged on Block Randomized Design with 4 treatments and repeated 6 times. The treatments are: 1. Maize forage fermented with EM4 2.maize forage silage. 3.grass king fermented with EM4 4. grass king silage. Silage composition was a analyzed for crude protein and crude fiber. Sheep performance (weight gain, dry matter consumption and ransum efficacy) and sheep physiological status (body temperature, respiration frequency and pulsus frequency) were measured. The results showed an increase in crude protein content and decrease of crude fiber content in fermented feed for all treatments. Complete of ration silage feeding gave significant effect on dry matter consumption (P <0,05), weight gain, and feed efficiency (P <0,01) but no significant effect on sheep physiological status (body temperature, respiration frequency and pulsus frequency).
Karakteristik Kimia Dan Organoleptik Biskuit Fungsional Dari Tepung Rumput Laut Dan Wortel Sebagai Pensubtitusi 30% Tepung Terigu Nur Fadilah; Asriani Hasanudin; Minarny Gobel
Mitra Sains Vol 7 No 1 (2019): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i1.223

Abstract

Biscuits are one of the most common snacks consumed by the community. The raw material for making biscuits is wheat flour. Efforts to reduce wheat imports and the use of wheat flour can be done by developing local products. Other ingredients that are often added in processed food products include seaweed and carrots. This study aims to determine the ratio of seaweed and carrot powder as a substance of substance 30% flour which produces good quality for consumption. Know the acceptance of panelists on the addition of seaweed and carrot starch as a substance 30% flour substitute on biscuits. This study used Completely Randomized Design (RAL) with 5 ratios (R: W) as treatment for substituting 30% wheat flour. The treatments were RW-1 (0: 0)%, RW-2 (4:26)%, RW-3 (6:24)%, RW-4 (8:22)%, RW-5 (10:20 )%. Each treatment was repeated 4 (four) times so that there were 4 x 5 = 20 experimental units. For organoleptic test using randomized block design (RAK) with 25 panelists as group. Chemical test parameters include carotene, fiber content, moisture content and organoleptic quality of color, aroma, taste, texture and overall fondness. The results showed that the ratio of seaweed flour and carrot starch produced the best quality was found in the RW-5 treatment because it has the highest fiber value of 14.176mg and the value of the proper water content based on the SNI that amounted to 4.56%, although having a low carotene amounted to 0.732mg. The best addition of seaweed flour and carrot flour was found in the RW-5 treatment where the values ​​of color, aroma and texture were acceptable to the panelists.
Pengaruh Bokashi Limbah Sayuran Pasar Terhadap Serapan N Dan Hasil Tanaman Buah Tomat Serli Jayanti; Saiful Darman; Uswah Hasanah
Mitra Sains Vol 7 No 1 (2019): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i1.225

Abstract

The results showed that there was an interaction between bokashi and vegetable waste fertilizer on N-soil parameters of 1.02%, plant height of 47.25 cm, number of fruits per plant by 4 pieces, fruit weight per plant of 84.04 g, and fruit diameter per plant is 19.96 mm. This study is an experimental study of Randomized Block Design (RBD) consisting of 6 repeated treatments. a = 0 g / polybag, b = 25 g / polybag (5 tons ha-1), c = 75 g / polybag (15 tons ha-1, d = 125 g / polybag (25 tons ha-1), e = 175 g / polybag (35 tons ha-1), f = 225 g / polybag (45 tons ha-1), g = 275 g / polybag (55 tons ha-1). The purpose of this study was to determine the effect of vegetable waste bokashi on fertilizer on N uptake and tomato fruit yield. The thinking framework is a decrease in tomato production. To overcome this we need balanced fertilization in both organic and inorganic fertilizers. This research was conducted in Donggala Kodi Village. Then it did not significantly affect the parameters of N Absorption plant, wet weight and dry weight of plants.
The Preparedness Of Kph Dolago Tanggunung In Implementation Of Social Forestry Policy In Bakubakulu Village, Sigi Regency Inggrid Inggrid; Adam Malik; Golar Golar
Mitra Sains Vol 7 No 1 (2019): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i1.226

Abstract

This study aims to determine the preparedness of KPH Dolago Tanggunung in the implementation of social forestry policy, and to know the preparedness of the community toward forest management through social forestry scheme. This research was conducted at Kilo Village, Sigi District, Central Sulawesi Province from September up to November 2016. Data were analyzed using qualitative approach, through scaling 1-3-5 (Modified Likert Scale). The parameters which were measured were the FMU's readiness in the implementation of the boundary structure, forest inventory covering: status, use and land cover, climate, human resources and demography, species of flora distribution, population type and fauna habitat, socioeconomic conditions, block division (biophysical characteristics field, potential of natural resources, the existence of rights or business permits and utilization), the division of the block includes:productivity and potential of the area, the design of the area for utilization while from the preparedness of the community was assessed based on understanding and community involvement itself. The result of the research showed that KPH Dolago Tanggunung was ver ready toward the implementation of Social Forestry policy that can be proved by the fulfillment of several criteria and indicators of KPH readiness. Meanwhile, the community was also well-prepared in the management of Community Forest based on the level of understanding and response to their involvement in the implementation of the program.
Analisis Produksi Dan Pendapatan Usahatani Padi Sawah di Kecamatan Dampelas Kabupaten Donggala Sofhan Sofhan; Max Nur Alam; Rosida P. Adam
Mitra Sains Vol 7 No 1 (2019): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i1.227

Abstract

This research aims to know factor influencing production and to know the income of wet rice field farm operation in Dampelas Subdistrict Donggala Regency. The type of this research is dectriptive. Data collection has been conducted by survey and direct observation in the field. Primary data have been collected from 41 respondents out of 411 population using simple random sampling method. The results show that production factor, land area, seed quantity, Urea and Organic fertilizer quantity have a significant effect on the increase of rice production while the NPK fertilizer and labor has a non-significant effect on increasing production. Farm income analysis results showed that the average farmer’s income once the harvest is Rp. 13.534.891per 0,97 ha or Rp. 13.960.516/ha.
Pengaruh Penggunaan Mulsa Pada Berbagai Jarak Tanam Terhadap Pertumbuhan Dan Hasil Bawang Merah Varietas Lembah Palu Adnan Adnan
Mitra Sains Vol 7 No 1 (2019): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i1.229

Abstract

This study aims to determine the effect of mulch using different plant spacing on growth and yield of shallot Palu valley varieties. This study was conducted in December 2017 to February 2018. The was field experiments using a split plot design with the main plot is a type of mulch consists of : without mulch, mulch rice husk, and mulch sawdust. The subplot is a spacing comprising: a spacing of 10 cm x 20 cm, 15 cm x 20 cm and 20 cm x 20 cm. There are nine combination treatment and combination treatment was repeated three times so that overall there are 27 experimental units. The results showed that: (1) There is no interaction between the use of mulch and different spacing on the growth and yield of shallot. (2) Mulch sawdust generating plant height, longest leaf length on destructive plants and weight of the fresh tubers per hectare eskip. While rice husk mulch produce fresh weight eskip tuber per clumps, tuber water content, diameter and length of the root tuber higher. Lowest growth and yield of shallot was found in without mulch treatment. (3) plant spacing treatment of 10 cm x 20 cm produce the number of leaves, number of tubers per clumps were higher respectively by 7.76 per clump. While the spacing of 15 cm x 20 cm of fresh weight yield per hectare of tubers with a higher leaf 7,12 ton / ha. At a spacing of 20 cm x 20 cm of fresh weight tuber yield per hectare eskip of 4.36 tons / ha.
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 .

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