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All Journal Biotropika Jurnal AGROSAINS dan TEKNOLOGI Jurnal Penelitian Pendidikan IPA (JPPIPA) Jerami Jurnal Agronomi Tanaman Tropika (JUATIKA) Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Dinamika Sosial Ekonomi Journal of Agriculture (JoA) Jurnal Abdimas Indonesia ROCE : Jurnal Pertanian Terapan WISDOM : Jurnal Pengabdian Kepada Masyarakat Wisdom
Umar Husein Abdullah
Program Studi Pengelolaan Perkebunan, Politeknik Indonesia Venezuela
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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Modification of Additional Check Valves and Tube Pressure to Enhance Hydram Pump Capacity and Performance for Agricultural Applications Umar Husein Abdullah; Yusran Akbar; Lukman Martunis; Irhami Irhami; Sri Agustina; Muhammad Afdhal; Andriy Anta Kacaribu; Khairun Nisa
Jurnal Penelitian Pendidikan IPA Vol 10 No 10 (2024): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i10.8478

Abstract

Pump that operates automatically by relying on natural power from water without using great cost and trouble by pumping hydram. Hydram pumps are one of the types of pumps that are driven by kinetic power, it was discovered by a 1796 Montgolfier in Italy. The purpose is to determine the most optimal water speed of the hydram pump by using different numbers of pressure tubes and several check valves. This research uses a factorial Randomised Group Design (RGD) method. The first treatment is valve variation and the second is variation in the number of tubes. The results showed that the average river water flow velocity was 0.154 meters/second with an average water discharge of 2.61 m3/second under normal flow conditions. The average water flow in the intake pipe is 0.717 meters / second and the volume of water in the pipe is 15.19 liters with an average water discharge entering the intake pipe is 10.804 m3 / second. A combination of three valves and three tube treatments consistently produces greater water discharge than other combinations. The highest efficiency of the hydram pump is found in the combination of three checks.
Correlation of Aloe Vera-Based Liquid Organic Fertilizer with Growth Traits of Oil Palm (Elaeis guineensis Jacq.) Umar Husein Abdullah; Ruhalena Wilis; Elviani; Nurlia Farida; Khairun Nisa
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 3 (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 7 No. 3 September 2025
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i3.4837

Abstract

Aloe vera gel contains various secondary metabolites that contribute to the plant’s beneficial properties. This study employed a correlation analysis test to investigate the relationship between Aloe vera LOF dosage and S.H, S.D, and NL in Oil Palm Seedlings (Elaeis guineensis Jacq.). This study was conducted in a controlled experimental garden managed by the Plantation Management Study Program at the Politeknik Indonesia Venezuela, located in Cot Suruy Village, Ingin Jaya District, Aceh Besar Regency. The study was conducted from March to July 2025. The garden temperature was maintained between 25°C and 28°C. Data analysis was carried out using SPSS 25 software. To see the correlation analysis between LOF, SH, SD, and NL in Oil Palm Seedlings (Elaeis guineensis Jacq.), a bivariate CA was used. The use of Aloe vera LOF at various doses (100–400 ml) was proven to have a significant effect on the vegetative growth of oil palm seedlings, especially on PH, SD, and NL. Aloe vera LOF, as a natural leaf fertiliser, can provide a significant positive effect on the vegetative growth of oil palm seedlings by increasing the height, diameter, and NL simultaneously.
Pengaruh Media Tanam Terhadap Pertumbuhan Stek Batang Buah Naga Merah (Hylocereus Polyrhizus) Umar Husein Abdullah; Intan Riski; Lukman Martunis; Endiyani; Ika Rezvani Aprita; Sri Agustina; Ruhalena Wilis
Jurnal Agrosains dan Teknologi Vol 11 No 1 (2026)
Publisher : Fakultas Pertanian - UMJ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jat.v11i1.31726

Abstract

Red dragon fruit (Hylocereus polyrhizus) is a horticultural commodity with high economic value that is generally propagated through stem cuttings. The success of the nursery is greatly influenced by the composition of the planting medium and the balance of growth regulators. This study aims to analyze the effect of various planting medium compositions and the application of bean sprout extract on the growth of red dragon fruit stem cuttings. The study was conducted in Panton Krueng Village, Aceh Jaya, from May to August 2025 using an RBD with four media treatments and six replications. The parameters observed included shoot emergence time, shoot number, and shoot height at 60 dap. The results showed that the soil + sand + compost (1:1:1) medium provided the best response with accelerated shoot emergence (30.2 days), the highest number of shoots, and the highest shoot height (18.6 cm). This combination improves aeration, drainage, and nutrient availability, thus supporting optimal vegetative growth. Shoot growth was strongly positively correlated with the number of shoots, while shoot height was strongly negatively correlated with the time of shoot emergence. These findings indicate that a balanced mixed medium based on organic and mineral materials, along with the application of natural PGRs, has the potential to increase the efficiency and sustainability of the dragon fruit nursery system.
Soil Quality Index and Its Determining Factors in Shrub Vegetation: Implications for Sustainable Land Management in Aceh Besar, Indonesia Ruhalena Wilis; Umar Husein Abdullah
Jurnal Penelitian Pendidikan IPA Vol 12 No 7 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i7.15250

Abstract

Soil Quality Index (SQI) is an important indicator for evaluating soil functions and supporting sustainable land management. However, information on the relationships between SQI and soil properties under tropical shrub vegetation remains limited. This study aimed to analyze the correlation between SQI and selected soil physical and chemical properties under shrub vegetation in Aceh Besar Regency, Indonesia. Soil samples were collected using purposive sampling from shrubland sites and analyzed for nine soil variables, including rooting depth, silt and clay fractions, bulk density, porosity, soil pH, total nitrogen, available phosphorus, exchangeable potassium, and soil organic carbon. The SQI was determined using a scoring-based index approach, and Pearson correlation analysis was performed using IBM SPSS Statistics 25. The average SQI was 0.4381, indicating moderate soil quality. Soil physical properties were the primary determinants of SQI, with the silt and clay fractions showing the strongest positive correlation (r = 0.993), followed by porosity (r = 0.934) and rooting depth (r = 0.790). Among the chemical properties, exchangeable potassium exhibited the strongest positive correlation (r = 0.870). These findings indicate that improving soil physical conditions, particularly soil texture and porosity, while maintaining potassium availability, should be prioritized to enhance soil quality and support sustainable management of shrubland ecosystems in Aceh Besar Regency.
Correlation Analysis of Cocopeat Planting Media with Plant Height, Stem Diameter, and Number of Leaves of Oil Palm Plants (Elaeis guineensis Jacq) Abdullah, Umar Husein; Mulyanti; Keumalasari, Sofia; Yana, Dewi; Aufa, Putro Nurun
Biotropika: Journal of Tropical Biology Vol. 14 No. 2 (2026)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2026.014.02.06

Abstract

The increasing demand for high-quality oil palm seedlings requires nursery growing media that are both effective and sustainable. Cocopeat, an abundant agricultural by-product, is widely used as a planting medium, however,  its linear relationship with key seedling growth parameters is not fully understood. This study aimed to analyse the correlation between cocopeat application rates and plant height, stem diameter, and number of leaves of oil palm seedlings (Elaeis guineensis Jacq.). The experiment was conducted under controlled nursery conditions in Aceh Besar, Indonesia, using a randomised block design with cocopeat doses ranging from 0 to 400 g, combined with equal amounts of soil and NPK fertiliser. Pearson bivariate correlation analysis showed that variations in the cocopeat dosage generally did not exhibit significant correlations with plant height, stem diameter, or leaf number, indicating a non-linear growth response. However, the highest cocopeat dose (400 g) showed a significant positive effect on stem diameter. These results suggest that cocopeat does not proportionally enhance all growth variables but may improve specific structural traits once a threshold level is reached. The study concluded that cocopeat acts as a threshold-based modifier of the physical properties of growing media rather than a linear driver of oil palm seedling growth, providing practical guidance for optimising nursery media formulations.
Co-Authors Afrina, Nyak Yusfa Akmal Amir Mukhlis Andriy Anta Kacaribu Aufa, Putro Nurun Aulia, Rian Ayu Maharani Cut Maila Hanum Dewi Yana Dewi Yana, Dewi Dian Rahmita Sari Elvi Zahara Elviani Elviani Elvrida Rosa Endiyani Endiyani Endiyani Endiyani Endiyani Endiyani Endiyani, Endiyani Fitri Handayani Fuady Fuady H.A, Umar Halim Akbar Halim Akbar, Halim Hardiansyah A Ika Rezvani Aprita Ika Rezvani Aprita Intan Riski Irhami Irhami Irhami Irhami Irhami, Irhami Keumalasari, Sofia Khairun Nisa Lukman Martunis MAGHFIRAH Martunis, Lukman Muhammad Afdhal Muhammad Afreza MUHAMMAD YUSUF Mukhlis Mukhlis Mulla Kemalawaty Mulla Kemalawaty Mulyanti Mulyanti Mulyanti Mulyanti Mulyanti N. Nazaruddin Nazahah Nazaruddin Nazaruddin Nisa, Raisatun Nurfaizah Nurfaizah Nurlia Farida Nurul Khalisah Rachmat Hidayat Rafiqah Renita Sri Syafitri Reza Salima Rini Susiani Ruhalena Wilis Ruhalena Wilis Ruhalena Wilis Ruhalena Wilis Said Mulya Ihsan Sakral Hasby Puarada Siti Safura Sri Agustina Sri Agustina, Sri Sufardi Suprihadi Tasliati Djafar Tifani Juliana Sansa Yani Prihatina Eka Furda Yani Prihatina Eka Furda Yusran Akbar Yusran Akbar Yusran Akbar yusran, yusran akbar