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All Journal Vegetalika Teknotan: Jurnal Industri Teknologi Pertanian Majalah Komunikasi Massa Jurnal Biologi dan Pembelajarannya (JBP) Eksergi: Chemical Engineering Journal Jurnal Biologi Universitas Andalas Prosiding Semnastek Jurnal Biologi Tropis Tropical Animal Science Journal BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) Bio-Lectura MUHARRIK: JURNAL DAKWAH DAN SOSIAL Jurnal Pembelajaran dan Biologi Nukleus Jurnal Agroplasma Best Journal (Biology Education, Sains and Technology) Jurnal Biogenerasi Spizaetus: Jurnal Biologi dan Pendidikan Biologi Sciscitatio : Journal for Biological Science Jurnal Biosense Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Bioscientist : Jurnal Ilmiah Biologi Jurnal Ilmiah Ilmu Terapan Universitas Jambi (JIMBE) BIO-CONS: Jurnal Biologi dan Konservasi Jurnal Kajian Ekonomi dan Manajemen Indonesia COSMOS Jurnal Biosilampari: Jurnal Biologi
M. Idris
Departemen Biologi, FMIPA, Universitas Andalas
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Effect of Flow Rate Ratio of Air and Waste Cooking Oil on Combustion Temperature and Furnace Efficiency Idris, M.; Setyawan, Martomo; Suharto, Totok Eka
Eksergi Vol 22 No 1 (2025)
Publisher : Prodi Teknik Kimia UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/eksergi.v22i1.13554

Abstract

Using waste cooking oil as an alternative fuel can reduce dependence on fossil fuels and address the problem of waste oil. This study aims to analyze the effect of the flow rate ratio of air and waste cooking oil on combustion characteristics and efficiency of domestic furnace. The experiment started with fuel characterization, including density, viscosity, flash point, and calorific value tests. The combustion process was carried out by varying the fuel and airflow to the furnace. Experiments included flame temperature measurements, water boiling tests, and measurements of heat uptake efficiency by the pot water. The results showed that the highest combustion temperature of 925.55℃ was achieved at an airflow rate of 21.3 m/s with a fuel flow rate of 1.05 L/hour. The flue gas emission temperature and furnace efficiency increased as the airflow rate and fuel discharge increased. The ratio also produces the fastest water boiling time of 2 minutes with the efficiency of heat uptake by water in the pot of 34.12%. The highest heat uptake efficiency by the water in the pot was obtained at the ratio of used cooking oil discharge of 0.6 L/hour with an airflow rate of 12.1 m/s at 43.12%. These results demonstrate the potential of waste cooking oil as an alternative fuel for efficient domestic combustion devices, with proper air supply to achieve optimal combustion.
Dynamics of Physiological Poikilocytosis and Anisocytosis in Cholistani Cattle Blood Rehman, Z. U.; Farooq, U.; Lashari, M. H.; Idris, M.; Asif, M.; Hameed, R.; Chaudhary, M.
Tropical Animal Science Journal Vol. 47 No. 4 (2024): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2024.47.4.493

Abstract

The present study is the first account of physiological poikilocytosis and anisocytosis attained through stained peripheral blood smear in terms of prevalence, types, severity, and association with age, sex, and hemoglobin (Hb) levels in Cholistani cattle blood (n=64). The correlation of these red blood cells (RBC) forms has been made with certain RBC indices attained through a multi-species hematology analyzer. The total poikilocytes (24.7±0.2%) were significantly (p≤0.05) higher than the total anisocytes (8.4±0.1%) with echinocytes being the highest seen cells (5.4±0.5%). There was no statistical difference for poikilocytes and anisocytes between males and females. The spherocytes and schistocytes were significantly (p≤0.05) higher in young cattle as compared to adult cattle. All the animals in the study groups showed slight (13%-20%) to moderate (21%-30%) total poikilocytosis. Young (n=18; 28.1%) and females (n=7; 10.9%) revealed higher marked (˃30%) total poikilocytosis. The severity of total poikilocytosis did not significantly (p≤0.05) affect any of the RBC attributes. Normal cells were significantly higher (p≤0.05) in low Hb group being 68.5±1.5% as compared to 65.09±0.8% for high Hb group. The highest values were attained for the relation between total anisocytes and Hb, and between total anisocytes and Mean Corpuscular Hemoglobin Concentration (r-square=0.159; 15.9% probability). In conclusion, the blood of healthy Cholistani cattle presents physiological peculiarities in terms of the presence of various poikilocytes and anisocytes. Furthermore, the multi-species hematology analyzer failed to predict the level of poikilocytosis and anisocytosis in the present study, whereas the stained PBS provided reliable results.
Assessment of Mixed Cultivation Substrate (Burnt Husk-Sawdust-Bagasse) and NPK Fertilizer on Growth Performance of Oyster Mushroom (Pleurotus ostreatus) Muthmainnah, Muthmainnah; Idris, M.
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.8222

Abstract

Background: Oyster mushroom cultivation generally uses sawdust as the primary rowin medium. Limited availability and fluctuating prices require innovation for mushroom planting media. The use of bagasse and burnt husk waste as an alternative medium in an effort to maximize abundant but underutilized agroindustrial resources has the potential to become a medium for growing oyster mushrooms, as the cellulose and lignocellulose content can support optimal mycelium growth. Therefore, this study aims to analyze the effect of using burnt husk as planting media, bagasse, and NPK fertilizer on the growth of oyster mushrooms (Pleurotus ostreatus). Methodology: This study employed a factorial Group Random Design method, consisting of two factors: the combination factor of substrate media (M) and NPK fertilizer dosage (N). The observed parameters included mycelial growth, cap dimeter and fresh weight of the mushroom. Data were analyzed by using Analisys of Variance (ANOVA) with SPSS v.25. Findings: The results of the data analysis showed the optimization of fungal growth in a combination of 1000 gr of sawdust and 80 gr burnt husk without the addition of NPK fertilizer with f calculated > f table (7.08>3.63). The ANOVA test confirmed that NPK fertilizer did not have a significant effect on the quality of mushrooms, possibly even negatively, because NPK creates nutrient-rich conditions that favor competing microorganisms that develop faster than oyster mushrooms. The combination of burnt husk and sawdust without NPK (M1N0) resulted in the highest mycelial growth, reaching 21.3 cm, while the lowest growth was observed in the sawdust and bagasse media with the addition of NPK (15 g) (M2N1), which was 16 cm. Meanwhile, the highest cap diameter was obtained in the Sugarcane bagasse and sawdust media without NPK (M2N0), with an average value of 8 cm. In contrast, the lowest diameter was observed in the bagasse media with an NPK of 20 g (M2N2), which was 5 cm. Contribution: This research confirms that burnt husk and sugarcane bagasse substrates, without NPK fertilizer, can serve as an effective and environmentally friendly alternative medium for oyster mushroom cultivation.
THE EFFECT OF PROVIDING GOAT MANURE AND ADDITIN WATER WITH THE PARTIAL ROOT ZONE (PRD) METHOD IN INCREASING THE GROWTH AND PRODUCTION OF TOMATO PLANTS (LYCOPERSICUM ESCULENTUM MILL) USING A DIGITAL SOIL MOISTURE METER IN NORTH SUMATERA Idris, M.; Selvia, Irda Nila; Ong, Russell; Armansyah, Armansyah; Kamarudin, Mohd Khairul Amri
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 2 (2025): Volume 9, Nomor 2, June 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i2.41934

Abstract

This study aims to investigate the effectiveness of the Partial Rootzone Drying (PRD) irrigation method, the application of goat manure as organic fertilizer, and the interaction of both treatments on the growth and yield of tomato plants (Lycopersicum esculentum Mill) in North Sumatra. The research responds to the urgent need for sustainable agricultural practices that conserve water and enhance soil fertility, especially in tropical regions facing irregular rainfall and declining soil quality. A field experiment was conducted using a factorial randomized block design to test various levels of goat manure combined with the PRD technique. Observations focused on vegetative growth parameters (plant height, number of leaves, dry weight, chlorophyll content, Relative Growth Rate), nutrient uptake (N, P, and K), and production indicators (fruit number and sugar content). Data were analyzed statistically to determine the significance and interaction effects of treatments. The results show that goat manure significantly improves vegetative growth and fruit production, with higher doses correlating positively to increases in biomass and nutrient uptake. The PRD method led to a 25% reduction in water use without compromising plant productivity. Importantly, the combination of PRD and organic manure application produced synergistic effects, enhancing both growth and yield while optimizing water and nutrient efficiency. This study introduces a novel integrated approach to tomato cultivation that combines precision irrigation (PRD) and organic soil enrichment, offering a replicable model for sustainable, water-efficient horticulture in resource-constrained agricultural regions.
The Effect of Liquid Organic Fertilizer Derived from Goat Manure and Banana Peel on the Growth of Pakcoy (Brassica rapa L.) Cultivated Using a Hydroponic System Nabila, Sania; Idris, M.
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19642

Abstract

This study aimed to examine the effects of liquid organic fertilizer (LOF) derived from goat manure and banana peels, applied either individually or in combination, on the growth and yield of pakcoy (Brassica rapa L.) cultivated in a hydroponic system as an alternative to the conventional AB mix nutrient solution. The experiment was conducted using a Randomized Block Design) with two treatment factors: goat manure LOF concentrations (0 ml, 30 ml, and 60 ml) and banana peel LOF concentrations (0 ml, 20 ml, and 30 ml). The observed parameters included number of leaves, plant height, leaf width, root length, and fresh weight. Data were analyzed using analysis of variance (ANOVA), followed by Duncan’s Multiple Range Test at a 5% significance level to determine differences among treatments. The results showed that the best single treatment was obtained from the application of 30 ml banana peel LOF at 4 weeks after planting (WAP). Moreover, the combined treatment of 60 ml goat manure LOF and 30 ml banana peel LOF (P2K2) produced the highest and significantly superior results across all observed parameters at 4 WAP, particularly in leaf number, plant height, root length, and fresh weight. These findings indicate that the combined application of banana peel and goat manure LOF effectively enhances the growth and yield of hydroponically cultivated pakcoy. Therefore, this organic fertilizer combination has strong potential to serve as a more economical and environmentally friendly alternative nutrient source for hydroponic cultivation systems.
Co-Authors . Mansyurdin Anita Ariani Anwar Fuadi, Anwar Anzharni Fajrina Apriani, Dwi Wahyuni Aprilia, Tiara Aqil, Nazliana Armansyah Armansyah Asif, M. Asman, Auzia Audina, Nida Auliasari, Putry Ayu Auzia Asman Bela, Aldi Okta Chairul Chairul Chairul Chaudhary, M. Cleopatra Deni Sorel Dola Ratna Yulizar Dwi Anggraini Edi Joniarti Eli Ratni Ermalianti, Ermalianti Erna Astuti Erni Febriyanti Eron Swandra Fanadillah, Yurike Farooq, U. Febriani, Annisa Vada Fitriah, Wani Gita Prima Yudha Hafizah, Ummi Hameed, R. Hanif, M. Khairul Hany, Iga Permata Harmailis Harmailis Harmailis, Harmailis Hasibuan, Rahmayani Iga Permata Hany Irda Nila Selvia Jelita Putri Adisti John Nefri Joniarti, Edi Jumiati, Melvy Kamarudin, Mohd Khairul Amri Kurnia, Meri Lashari, M. H. Lendrawati Lubis, Habib Jailani Lubis, Wisuda Pramarta Mardiana Puspasari Marta Linda Martomo Setyawan Mawarni, Devi Mohtar, Ulfa Muhammad Hanafi Murdifin Muthmainnah Muthmainnah Nabila, Sania Natalia, Ferli Nefri, John Nelvia, Repi Netty W Surya Netty W Surya Nisa, Chairul Ong, Russell Pratama, Yuda Rizky Putra, Aidil Jaya Putri, Shintiya Rahmadhani Qalbi, Raihanul Rahmadina Rahmadina, Rahmadina Rahmadini Payla Juarsa Rehman, Z. U. Rhomadoni, Firda Rizki Ridha Permata Sari Rizka Sefmaliza Salivia, Salivia Salvia Salvia Santhyami Santhyami Sari, Leli Mustika Sefmaliza, Rizka Simanjuntak, Putri Dea Firsta Siregar, Nuri Jannah Tussadiyah Siregar, Rivahni Siti Jamilatun Situmorang, Vickasyah Ramadani Solfiyeni Solfiyeni Sorel, Deni Sundari, Lia Suwirmen, Suwirmen Syafira, Haiyu Asy Syafira, Zara Tita Nopiyanti Totok Eka Suharto Ulfa Mohtar Vebianti, Rani Wandini, Dwi Febiyanti Wardhana, Budi Setya Wardhana1, Budi Setya Yamaly, Fadhil Yulianti, Sisi Zahratul Idami Zahro, Adinda Husna Fatia Zahrul Mufrodi, Zahrul Zozy Aneloi Noli