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Azwir Anhar
State University of Padang
Education Languange, Linguistic, Communication & Media Other

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POTENSI Aneurinibacillus thermoaerophilus STRAIN N25 DALAM PRODUKSI BIOLISTRIK PADA VARIASI STARTER Echy Dania Putri; Irdawati; Azwir Anhar; Moralita Chatri
Jurnal Biogenerasi Vol. 11 No. 1 (2026): Volume 11, no 1, 2026, (Januari - Maret 2026)
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/ddks4p57

Abstract

The development of renewable energy sources is important due to the increasing demand for electricity. Microbial Fuel Cell (MFC) is a technology that utilizes microorganisms to convert organic substrates into electrical energy. This study aims to determine the potential of Aneurinibacillus thermoaerophilus strain N25 in producing bioelectricity at different starter concentrations. The research was conducted using an experimental method with variations of starter concentrations in an MFC system. Bioelectricity production was measured using a digital multimeter in millivolts (mV). The results are expected to provide information about the optimal starter concentration for bioelectricity production by thermophilic bacteria.
Pengaruh Dosis Pupuk Organik Cair FloraOne® Terhadap Pertumbuhan Tanaman Tomat (Solanum lycopersicum L.)   Hoki Masriono Manik; Azwir Anhar
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/0518rj94

Abstract

Tomato plants (Solanum lycopersicum L.) are horticultural commodities that have high nutritional value and economic value and are widely needed by the community. The increase in demand for tomatoes needs to be balanced with efforts to increase production through proper cultivation techniques, one of which is through fertilization. The continuous use of inorganic fertilizers can reduce soil fertility and negatively impact the environment, so a more environmentally friendly fertilization alternative, such as the use of liquid organic fertilizer (POC), is needed. FloraOne® liquid organic fertilizer contains nutrients and microorganisms that have the potential to support plant growth. This study aims to determine the effect of applying FloraOne® liquid organic fertilizer on the growth of tomato plants. The research was carried out using an experimental method with a Complete Random Design (RAL) consisting of seven FloraOne® concentration treatments, namely P0 (control), P1 (0.1%), P2 (0.2%), P3 (0.3%), P4 (0.4%), P5 (0.5%), and P6 (0.6%) with four replicates. The observed parameters included plant height, stem diameter, wet weight, dry weight, and flowering age. The data was analyzed using the Analysis of Variance (ANOVA) test at a significance level of 5%. The results showed that the application of FloraOne® liquid organic fertilizer did not have a significant effect on the height, diameter, wet and dry weight of tomato plants (p>0.05) while P3 and P6 showed the appearance of flowers in the 8th week. However, descriptively, the 0.3% concentration treatment showed a better growth tendency than the other treatments.
PENGARUH PEMANFAATAN LIMBAH CANGKANG TELUR AYAM SEBAGAI BIOFERTILIZER TERHADAP PERTUMBUHAN KACANG TANAH (Arachis hypogaea L.) Febi Permata Jingga; Azwir Anhar
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/gpmp8k78

Abstract

This research explores the potential of chicken eggshell waste as an alternative biofertilizer to reduce dependence on synthetic chemical fertilizers, which often trigger land degradation. The main focus of this study was to analyze the extent to which eggshell powder application affects the vegetative phase of peanut (Arachis hypogaea L.) plants, while also determining the most responsive application dose. The experiment was conducted with a four-stage treatment design: P0 (control), P1 (133.3 g/polybag), P2 (200 g/polybag), and P3 (266.6 g/polybag). Parameters observed included plant height dynamics and leaf productivity. The results showed that the integration of eggshell biofertilizer significantly stimulated plant growth compared to the control. The P3 dose (266.6 g/polybag) was identified as the most effective treatment, with an average plant height of 26 cm and 32 leaves at the end of the observation period. Interestingly, at the intermediate dose (P2), there was evidence of inhibition of stem elongation despite the high leaf count. This phenomenon is thought to be related to nutritional imbalances caused by excess calcium (Ca), which inhibits the absorption of other essential micronutrients. Overall, this study confirms that the use of eggshell waste not only serves as a natural source of calcium carbonate (CaCO₃) for soil pH stabilization but is also effective in sustainably improving the agronomic performance of peanuts.
Pengaruh Ekstrak Daun Alang Alang (Imperata cylindrica) terhadap Pertumbuhan Tanaman Cabai Merah (Capsicum annum L.) Alya Putri Alizah; Azwir Anhar
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/qbjndk86

Abstract

Red chili peppers (Capsicum annum L.) are an important horticultural commodity with high economic value and play a significant role in meeting people's food needs. However, chili plant productivity often faces constraints due to biotic factors, one of which is interactions with weeds. Cogongrass (Imperata cylindrica) is known as an invasive weed that is generally detrimental, but it contains secondary metabolite compounds that have the potential to be utilized in agriculture. Allelopathic compounds produced by cogongrass can affect the growth of other plants, either inhibitively or stimulatively depending on the concentration and application method. This article aims to examine the potential of cogongrass leaf extract on chili plant growth based on the results of the latest scientific research. The writing method was carried out through a literature review of national and international journals published in 2020 and later. The results of the study indicate that plant extracts, including cogongrass, have the potential to be developed as environmentally friendly natural plant growth regulators, although precise dosage adjustments are required to avoid growth inhibitory effects.
ANALISIS STRUKTUR DAN KOMPOSISI VEGETASI PADA HUTAN KELOLA MASYARAKATAN (HKM) HARAPAN JAYA BATU AMPAR, NAGARI PANTI, KECAMATAN PANTI, KABUPATEN PASAMAN TIMUR, SUMATRA BARAT Tiara Dwi Ananda; Irma Leilani Eka Putri; Reki Kardiman; Filza Yulina Ade; Azwir Anhar; Ryan Thanoesya; Bayu Riangga Hanafi
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/wnjzjz31

Abstract

Vegetation structure refers to the stratification of plant growth stages within an ecosystem, which are generally classified into seedling, sapling, pole, and tree levels. Analysis of plant composition aims to identify plant species present in a forest area. This study aimed to determine the vegetation structure and plant composition in the Community Forest Management (HKM) area of Harapan Jaya Batu Ampar, Nagari Panti, Panti District, East Pasaman Regency, West Sumatra. The research employed a nested quadrat method with plots placed randomly, consisting of 10 plots adjusted to the field conditions at the study site. The results showed that the 2 × 2 m and 5 × 5 m plots were dominated by the family Rubiaceae, with Coffea robusta as the most abundant species. The 10 × 10 m plots were dominated by the family Lauraceae, with Litsea sp. as the dominant species. Meanwhile, the 20 × 20 m plots were dominated by the family Fagaceae, with Lithocarpus elegans recorded as the main species. These findings provide preliminary data for understanding the vegetation structure in the Community Forest Management (HKM) area of Harapan Jaya Batu Ampar, Nagari Panti, Panti District, East Pasaman Regency, West Sumatra
Analisis Produksi Biolistrik oleh Aneurinibacillus thermoaerophilus Strain N25 pada Variasi Konsentrasi Starter dalam Sistem Microbial Fuel Cell (MFC) Echy Dania Putri; Irdawati; Azwir Anhar; Moralita Chatri
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/4102hx98

Abstract

The increasing demand for electrical energy drives the development of renewable energy technologies such as Microbial Fuel Cell (MFC), which converts organic substrates into electricity using microorganisms. This study aims to determine the effect of starter concentration and identify the optimal concentration of Aneurinibacillus thermoaerophilus strain N25 in bioelectricity production. An experimental method was used with a dual-chamber MFC system and starter concentrations of 3%, 6%, 9%, 12%, and 15%. Voltage production was measured using a digital multimeter (V) over 24 hours. The results showed that starter concentration affected bioelectricity production, with voltage increasing over time and reaching a peak at the 20th hour. Higher starter concentrations produced higher voltage due to increased microbial activity and more efficient electron transfer.
Co-Authors Alya Putri Alizah Bayu Riangga Hanafi Echy Dania Putri Febi Permata Jingga Filza Yulina Ade Hoki Masriono Manik Irdawati Irma Leilani Eka Putri Moralita Chatri Reki Kardiman Ryan Thanoesya Tiara Dwi Ananda