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All Journal Konselor Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Animal Production : Indonesian Journal of Animal Production Sumatra Journal of Disaster, Geography and Geography Education Biosaintifika: Journal of Biology & Biology Education JURNAL PENDIDIKAN TAMBUSAI Jurnal Socius: Journal of Sociology Research and Education Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Ecogen Jurnal Salingka Nagari

Agus Irianto

Fakultas Biologi Universitas Jenderal Soedirman

Author-ID : 288450

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Engineering Environmental Science Social Sciences Veterinary Other

Published : 12 Documents Claim Missing Document

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Immunologic Quality Improvement of Racing Pigeon Squabs through Induction of Cropmilk using Probiotic Lactobacillus sp. Irianto, Agus; Budiyanto, B Heru
ANIMAL PRODUCTION Vol 6, No 2 (2004): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (102.588 KB)

Probiotic is live microbial cells supplementation that has beneficial effect to the host. Feeding adult pigeons (Columba livia) with food supplemented with probiotic, Lactobacillus sp., at concentration 106,108, and 1010 cells g-1 respectively have been done in order to improve the immunologic quality of the squabs. Immunologic response namely the number and activity of kidneyâs macrophage were examined. Also, the pathologic signs which developed following artificial infection by intramuscular injection with Escherichia coli suspension was examined. The result indicated that adult pigeon feed with food containing probiotic have beneficial effect to the squabs (through cropmilk) by improving their immune response namely increasing the number of kidneyâs macrophage and their in vitro phagocytic activity. Also, it reduced the E. coli population in the squabsâ gut. (Animal Production 6(2): 11-124 (2004)Â Key Words: pigeon squab, probiotic, Lactobacillus sp., immune response

Potential of Chemolitotrophic Bacteria From Gold Mining Area in Sulfur Oxidation Process Fitriyani, Nur Lu'lu; Irianto, Agus; Pramono, Hendro
Biosaintifika: Journal of Biology & Biology Education Vol 10, No 3 (2018): December 2018
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Gold in nature is covered by rocks which contain sulfide minerals such as pyrite, chalcopyrite, arsenopyrite, and others sulfide minerals. Chemolithotrophic bacteria have the ability to oxidize the sulfur compounds and can be used in the process of releasing gold from carrier rocks which contain sulfide minerals. This research aimed to explore and identify the chemolithotrophic bacteria from gold mining areas as well as determine their potential for sulfur oxidation. The methods used in this study were exploring the potential of bacteria in sulfur oxidation and describing the variety of bacteria that were isolated from gold mining areas by 16s rRNA identification. The results showed that there were six isolates from isolation with Starkey solid medium, i.e. Bl-1, B1-2, B1-3, B1-4, B1-5 and B1-6 that were similar to Paenibacillus sp., Enterobacter ludwigiis train E8-13, uncultured Burkholderia sp., Uncultured bacterium clone N4.5, Bacillus subtilis strain CICC 10023, and Bacterium enrichment culture clone 02 respectively. The B1-3 isolate showed the highest increase of sulfate compound in the medium (8.04 % at 649.55 ppm). This indigenous bacteria will be able to be used to release gold from rock which contains sulfide minerals and reduce the use of hazardous chemicals commonly used in gold mining.

Bioaugmentasi Benzena Tanah Tercemar Hidrokarbon yang Dibiodegradasi secara in vitro dengan Menggunakan Bacillus Sp. Strain U41 dan U44 Irianto, Agus; Oedjiono, Oedjiono; Riyanto, Agus; Komar, M. Syamsul
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 8, No 3 (2003): October 2003
Publisher : Universitas Atma Jaya Yogyakarta

Soil pollution by substances such as benzene can cause serious problems such as aquifer contamination and reduction of the biodiversity of organisms. A number of microorganisms are capable to degrade such substances naturally. However, introduction of any other microorganisms and or nutrient (bioaugmentation) are necessary in order to improve the biodegradation rate. This study examined the effect of introducing promising local strains of Bacillus namely U41 and U44, and urea addition at concentration 0.25% w/v. The parameter measured was benzene, pH, microbial number, and CO2. The best result was revealed from bioaugmentation of mixture of U41 and U 44. However, that result was not significantly difference with the use of single either strain U41 or U44, respectively.

Assessment of Land Support as Direction of Land Development Central Pariaman District Haryani, Haryani; Irianto, Agus; Syah, Nuhasan
Sumatra Journal of Disaster, Geography and Geography Education Vol 3 No 2 (2019): Sumatra Journal of Disaster, Geography and Geography Education (SJDGGE)
Publisher : Sumatra Journal of Disaster, Geography and Geography Education

ABSTRACT: Changes in the development of the built area of Kota Pariaman can be seen in 1982 covering an area of 269.42 Ha, continuing to grow to 493.71 Ha in 2003. According to the developer, the growth of the built area in Kota Pariaman is influenced by economic factors (profit) and safety and comfort factors, namely considering safe areas from the tsunami disaster and free from flooding. While the community believes that the influencing factor is the proximity factor to public facilities and social facilities because of the completeness of the types of facilities many are located in the city center as well as the accessibility factor of the downtown area which has infrastructure conditions the good one. The problems in this study are; a) how is the carrying capacity of the North Pariaman District and b) how the direction of land development plan is in accordance with the carrying capacity of the land. The research objectives are a) analyzing land capability and b) formulating direction for land development plan in accordance with land capability in the District of North Pariaman. This type of research is descriptive research, GIS analysis methods and map overlays and analysis of land capability and land carrying capacity. Based on the physical condition of North Pariaman Subdistrict, Pariaman City, Land capability class 3 is a medium development capability class (C) and a maximum land cover ratio of 20%, the development direction is to limit the area built up and directed for non-settlement cultivation

Efektivitas Layanan Bimbingan Kelompok untuk Meningkatkan Motivasi Belajar dan Mengurangi Perilaku Membolos Siswa Safitri, Nurâ€™aini; Neviyarni, Neviyarni; Irianto, Agus
Konselor Vol 3, No 4 (2014): KONSELOR
Publisher : Universitas Negeri Padang

The low learning motivation and behavior of truant one of the problems in education that requires actions to sustainable reduction in the future. Group guidance services by leveraging dynamics group of students will obtain variety information that can help to overcome the various problems that life can be effective (KES) back. This research is a quantitative experiment design using form of quasi-experiment with the design of the non equivalent control group. The purpose of this study to increase the learning motivation and reduce behavior of truant students by implementing group guidance services. The subjects were students of grade IX from two schools, namely SMP Negeri 26 Padang (control group) and SMP Negeri 29 Padang (experimental group). Samples were taken by using purposive sampling with criteria that students who have low learning motivation and behaving truant more than three days in a month. The data collect using learning motivation scale with Likert model and student attendance recapitulation which then analyzed using the Wilcoxon Signed Ranks Test and Mann-Whitney 2 Independent Samples. TheÂ studyÂ revealedÂ that: (1) there was a significant differences between the learning motivation and behavior of truant students experimental group before and after group guidance services, where the average score of students motivation to increase and frequency behavior of truant s students decreased after treatment, (2) there was a significant differences between the learning motivation and behavior of truant students control group before and after information services, where the average score of students motivation to increase and frequency behavior of truant students decreased after treatment, (3) thereÂ wasÂ notÂ a significant difference between the learning motivation and behavior of ditching the control group students with student the experimental group after a given treatment, and (4) the application group guidance service is more effective to improve learning motivation and reduce the frequency behavior of truant students compared with information services, where the average score of motivation to learn the experimental group is higher and the frequency behavior of truant the experimental group was lower than with the control group after treatment.

Efektivitas Layanan Informasi dengan Pendekatan Contextual Teaching And Learning dalam Meningkatkan Arah Perencanaan Karier Siswa SMK Putri, Ramtia Darma; S, Neviyarni; Irianto, Agus
Konselor Vol 4, No 3 (2015): KONSELOR
Publisher : Universitas Negeri Padang

Direction of career planning become very important because it can guidelines students in decisions making of his career in the future.Â Direction of career planning should be prepared and improved considering that not all students have a mature direction of career planning. Central Statistics Agency (BPS) of West Sumatera in August 2014 recorded the open unemployment of about 6.99%Â or reach 150 thousand people are more dominated by graduates SMK as much as 11.15%. In addition, the results of AUM umum in one of the SMK was indicated problems in careers and jobs as much to 33.56%. This demonstrates that students do not have a clear understanding about direction of career planning that will be chosen. One of the efforts to improve the students direction of career planning is the information service.Â This research was intended to find out the effectiveness of information service with contextual teaching and learning approach to improve the direction of career planning student of SMK.This study uses quantitative methods. This type of research is Quasi Experiment with Nonrandomized Control Group Pretest-posttest Design. The subjects were students of SMK Padang Nusatama as an experimental group and the SMK Nasional Padang as a control group. The research instrument used Likert Scale models, and then analyzed using Paired Samples t-test and Independent Sample t-test with SPSS version 17.00.In general the study's findings that information service with contextual teaching and learning approach is effective in improving direction of career planning student of SMK. Specifically: (1) there was a significant differences between direction of career planning in the experimental group before and after the given information service with contextual teaching and learning approach, (2) there was a significant differences between direction of career planning in the control group before and after the given conventional information service, and (3) there was a significant differences between direction of career planning in the experimental group who were information service with contextual teaching and learning approach and those in the control group who were conventional information service.

Hubungan Pelaksanaan Disiplin Kerja Karyawan dengan Kinerja Karyawan Koperasi Perkebunan Sawit Perintis Pir Bun Ophir Kabupaten Pasaman Barat Rosinta, Rosinta; Irianto, Agus
Jurnal Pendidikan Tambusai Vol. 7 No. 3 (2023): Desember 2023
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v7i3.10588

Tujuan penelitian ini untuk pengetahui pelaksanaan disiplin, kendala pelaksanaan disiplin dan upaya mengatasi kendala pelaksanaan disiplin kerja karyawan di KPS Ophir Kabupaten Pasaman Barat. Penelitian ini merupakan kualitatif bersifat desktiptif. Informan berjumlah 5 orang. Teknik analisis data berupa reduksi, penyajian dan menarik kesimpulan. Hasil penelitian diperoleh 1) Pelaksanaan disiplin kerja karyawan belum efektif sehingga masih terdapat karyawan yang melanggar peraturan kerja karena keadilan belum diterapkan secara adil, pengawasan melekat dan penerapan sanksi hukuman masih jarang dilakukan dan masih rendahnya ketegasan pimpinan. 2) Kendala dalam pelaksanaan disiplin kerja karyawan berasal dari pimpinan (minimnya pengawasan dan masih lemahnya dalam pemberian sanksi) kedala dari karyawan (rendahnya kemauan karyawan untuk mematuhi peraturan yang belaku). Upaya mengatasi kendala pelaksanaan disiplin kerja karyawan yaitu meningkatkan ketegasan pimpinan dalam menjalan aturan dan penerapan sanksi hukuman kepada karyawan melanggar peraturan.

Perbedaan Penghasilan Nasabah Bank Sampah Induk Panca Daya dan Nasabah Induk Sakinah di Kota Padang Risyafitri, Annisa; Irianto, Agus
Jurnal Salingka Nagari Vol 3 No 2 (2024): Jurnal Salingka Nagari
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jsn.v3i2.205

The purpose of this study was to analyze 1) Differences in waste savings income of Panca daya and Sakinah main waste bank customers to compare the performance of main waste bank in Padang city in increasing customer participation in waste sorting. 2) Differences in customer waste savings income based on the type of plastic and paper waste to compare the effectiveness of waste management in increasing the economic value of plastic and paper waste. This research was conducted using primary data. Type of data is kuantitatif comparative.The sample in this research was 89 respondents who were customers in the Panca daya and Sakinah main waste bank program using the proportional stratified random sampling method. Data collection was carried out by means of documentation and observation.. The data analysis technique used is two-way ANOVA. The findings of this study (1) There are a differences in customer’s waste savings income between Panca daya and Sakinah main waste bank , (2) There are differences in customer’s waste savings income based on the type of plastic and paper waste

Tingkat Psychological Well-Being Keluarga Miskin Kota Padang Ardila, Mutiya; Mudjiran, Mudjiran; Irianto, Agus
SOCIUS Vol 7 No 1 (2020): Jurnal Socius: Journal of Sociology Research and Education, Universitas Negeri Pa
Publisher : Labor Jurusan Sosiologi Fakultas Ilmu Sosial Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/scs.v7i1.170

Tingginya angka kemiskinan akan memberikan dampak kepada kesejahteraan psikologis masyarakat terutama keluarga. Hal ini yang menjadi latar belakang dilakukannya penelitian. Jenis penelitian ini adalah kuantitatif menggunakan pendekatan deskriptif. Adapun populasi penelitian ini keluarga miskin yang tinggal di Kecamatan Nanggalo, Kota Padang, Provinsi Sumatera Barat. Teknik pengambilan sampel menggunakan cluster sampling. Instrumen yang digunakan adalah angket psychological well-being dan skala model Likert dengan tiga alternatif yaitu tinggi, sedang dan rendah. Teknik analisis data menggunakan statistik deskriptif. Berdasarkan hasil analisis data, dapat disimpulkan bahwa psychological well-being keluarga miskin Kota Padang 58,3% berada pada kategori sedang, 35% berada pada kategori rendah dan 6,7% berada pada kategori tinggi.

Analisis Perkembangan Koperasi Mahasiswa Universitas Negeri Padang Putri, Afika; Irianto, Agus
Jurnal Ecogen Vol 7, No 3 (2024): Jurnal Ecogen
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jmpe.v7i3.16642

This research aims to determine the causes of the decline of KOPMA UNP and the factors that influence its development. This research uses a descriptive qualitative approach. Data collection methods include observation, interviews, and documentation. This research involved 12 informants. Data analysis includes reduction, presentation and drawing conclusions as well as using triangulation to validate the data. Results of the study were obtained. 1) The covid-19 epidemic caused a drop in KOPMA UNP development by requiring all business activities to be conducted online, so that the business was not optimally run, which had an impact on the decrease in SHU obtained, namely in 2019 as much as Rp. 50,088,012, decreased in 2020 to Rp. 3,108,204, continued to decrease in 2021 Rp. (2,129,098), decreased again in 2022 Rp. (-6,875,999). In 2023, KOPMA's SHU has increased even though it still has a loss of IDR (-926,907). 2) Factors that affect the development of KOPMA UNP include the covid-19 pandemic, less strategic business locations, lack of business promotion and low professional and responsible human resources.

Co-Authors Agus Riyanto Agusti Efi Ardila, Mutiya B Heru Budiyanto, B Heru Febrina, Suci Fitriyani, Nur Lu'lu Friyatmi Friyatmi Haryani Haryani Hendro Pramono M. Syamsul Komar Marna, Jean Elikal Mudjiran Neviyarni, Neviyarni Oedjiono, Oedjiono Putra, Gilang Oritaliano Putri, Afika Putri, Ramtia Darma Risyafitri, Annisa Rosinta, Rosinta Safitri, Nurâ€™aini Syah, Nuhasan

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