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All Journal Jurnal Ilmu Pertanian Indonesia Journal of Tropical Soils AGRIVITA, Journal of Agricultural Science AGRISAINTIFIKA Jurnal Ilmu-ilmu Pertanian Abditani : Jurnal Pengabdian Masyarakat Jambura Journal of Animal Science Gorontalo Journal of Equatorial Animals Research Review: Jurnal Ilmiah Multidisiplin Jurnal Pengabdian Masyarakat Teknologi Pertanian Jurnal Abdimas Terapan Jurnal lahan Pertanian Tropis JATIMAS : Jurnal Pertanian dan Pengabdian Masyarakat International Journal of Technology and Education Research
Fauzan Zakaria
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Veterinary Other

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Analyzing the Impact of Land Resource Dimension on Konjac (Amorphophallus onchophyllus) Yield and Land Suitability Criteria Using PLS-SEM and Boundary Line Methods In Gorontalo, Indonesia Nurdin, Nurdin; Pembengo, Wawan; Adam, Echan; Moonti, Agustinus; Rahman, Rival; Suparwata, Dewa Oka; Angelia, Ika Okhtora; Azis, Muhammad Arief; Arsyad, Silviana; Dude, Suyono; Zakaria, Fauzan; Bagu, Fitria S.; Apriliani, Silvana; Mokoginta, Meity M.; Pade, Satriawati; Rajib, Md. Mijanur Rahman; Hakiman, Mansor
AGRIVITA Journal of Agricultural Science Vol 48, No 1 (2026)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i0.4861

Abstract

The current land suitability criteria for konjac are incomplete and fail to consider land dimensions and quality, which influence optimal yield. This research aims to develop criteria for konjac land suitability based on the dimensions, quality, and characteristics of selected land. In Gorontalo Province, Indonesia, 131 land units were surveyed to obtain data on the quality and characteristics. Selection of land dimensions, quality, and characteristics using Structural Equation Modeling (SEM) with Partial Least Squares (PLS). Meanwhile, the optimum yield and distinguished land suitability criteria for konjac plants using the boundary line method. The results indicated that intrinsic and extrinsic dimensions determined the new land suitability criteria. In the intrinsic dimension, land quality was assessed based on root conditions, oxygen availability, nutrient availability, nutrient retention, and sodicity. For the extrinsic dimension, land quality only comprised temperature, water availability, land preparation, and erosion hazard. Land characteristics in the intrinsic dimension consisted of soil drainage, texture, bulk density, particle density, porosity, pH, organic C, CEC, base saturation, total N, available P, and exchangeable K. For the extrinsic dimension, land characteristics included slope, soil erosion, surface rocks, and rock outcrops. The highest optimum yield of konjac was 9.17 t/ha, and the lowest was 6.69 t/ha, respectively.
Respon Pemberian Pupuk Kandang Kambing dan Arang Sekam Terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium ascalonicum L.) Varietas Tajuk Fery Firmansyah; Indriati Husain; Fauzan Zakaria
Research Review: Jurnal Ilmiah Multidisiplin Vol. 4 No. 1 (2025): Research Review: Jurnal Ilmiah Multidisiplin (Februari 2025 - Juli 2025)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v4i1.130

Abstract

Shallots (Allium ascalonicumK.) are vegetable commodities that hold significant importance for society, both in terms of their high economic value and nutritional content. This research aimed to determine the appropriate combination of goat manure and rice husk charcoal doses for the growth and yield of shallot plants. The study was conducted in Bunggalo Village, Telaga Jaya Subdistrict, Gorontalo Regency, from July to September 2024. The research employed a Completely Randomized Design (CRD) with 4 treatmens, each repeated 4 times, resulting in 16 experimental plots. Each plot contained 3 plants, resulting in total of 48 plants. P0 consisted of soil only, P1 consisted of soil, goat manure, and rice husk charcoral in a ratio of (1:2:3), P2 consisted of soil, goat manure and rice husk charcoral in a ratio of (2:1:1) and P3 consisted of soil, goat manure and rice husk charcoral in a ratio of (3:2:1). Each pot contained a total of 6kg of planting media. The observational data ware analyzed using F-test (ANOVA) at a 5% significance level. If significant effect were observed, further analysis was conducted using DMRT at a 5% level. The result indicated that P3 was the best treatment with a (3:2:1) combination for plant height and the nuraber of leaves, while P2 was the best treatment with a (2:1:1) combination for the number of bulbs, fresh weight, and dry weight of shallot plants.
Pengaruh Cekaman Kekeringan terhadap Pertumbuhan dan Hasil Tanaman Sawi (Brassica juncea L.) Varietas Puteri dan Varietas Shinta Muzakir Dukalang; Nikmah Musa; Fauzan Zakaria
Research Review: Jurnal Ilmiah Multidisiplin Vol. 4 No. 2 (2025): Research Review: Jurnal Ilmiah Multidisiplin (Agustus 2025 - Januari 2026)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v4i2.232

Abstract

Mustard greens (Brassica juncea L.) are among the most widely consumed vegetables and play an important role in supporting food and nutritional security. This study aimed to evaluate the tolerance of different mustard green varieties to drought stress and to analyze the interaction between drought stress and variety performance. The experiment was conducted from April to May 2025 at the experimental field of the Faculty of Agriculture, Universitas Negeri Gorontalo (UNG), using a split-plot design with two factors: drought stress and plant variety. Drought stress was designated as the main plot, consisting of three levels: C0 = 100% field capacity (FC), C1 = 50% FC, and C2 = 30% FC. The subplot consisted of two mustard green varieties: V1 = Puteri and V2 = Shinta. These treatments resulted in six treatment combinations (C0V1, C0V2, C1V1, C1V2, C2V1, and C2V2), each replicated three times, producing a total of 18 experimental units. Each unit consisted of four polybags measuring 20 × 20 cm. The results revealed that the two mustard green varieties exhibited different responses in terms of growth and yield under drought stress conditions. The Puteri variety demonstrated greater tolerance to drought stress compared to the Shinta variety. An interaction was observed between drought stress and variety on plant height at two weeks after transplanting. Furthermore, drought stress at 50% field capacity was still able to meet the water requirements of mustard greens, as shown by plant height, number of leaves, leaf area, and fresh weight.
Effect of Organic and Inorganic Fertilizer Combinations on the Growth and Yield of Welsh Onion (Allium fistulosum L.) in Highland Areas Abdul Gilang Komona; Nikmah Musa; Fauzan Zakaria; Fitria S. Bagu; Laode Muhamad Irsan
International Journal of Technology and Education Research Vol. 4 No. 02 (2026): International Journal of Technology and Education Research (IJETER)
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v4i02.4378

Abstract

Welsh onion (Allium fistulosum L.) is an economically valuable horticultural commodity commonly cultivated in the highland regions of Indonesia. Despite suitable environmental conditions, its productivity remains below its potential, partly due to inefficient fertilizer management practices. This study was conducted to assess the influence of integrated organic and inorganic fertilization on the growth and yield of Welsh onion and to identify the most suitable fertilizer combination for highland cultivation. The experiment was carried out from February to May 2026 in Insil Village, Bolaang Mongondow Regency, North Sulawesi, Indonesia. A non-factorial Randomized Complete Block Design (RCBD) consisting of six fertilizer treatments and three replications was applied. The treatments included P0 (without fertilizer), P1 (1.8 t ha⁻¹ organic fertilizer + 900 kg ha⁻¹ NPK), P2 (2.7 t ha⁻¹ organic fertilizer + 750 kg ha⁻¹ NPK), P3 (3.6 t ha⁻¹ organic fertilizer + 600 kg ha⁻¹ NPK), P4 (4.5 t ha⁻¹ organic fertilizer + 450 kg ha⁻¹ NPK), and P5 (5.4 t ha⁻¹ organic fertilizer + 300 kg ha⁻¹ NPK). Experimental data were subjected to analysis of variance (ANOVA), and treatment means were compared using the Least Significant Difference (LSD) test at the 5% significance level. The findings demonstrated that integrated fertilization significantly influenced plant height, leaf production, tiller formation, and fresh biomass of Welsh onion. Among the tested treatments, P3 exhibited the most favorable overall performance in promoting both plant growth and yield. These results indicate that combining organic and inorganic fertilizers provides a balanced nutrient supply capable of enhancing Welsh onion productivity while contributing to more sustainable nutrient management practices in highland agricultural systems.
Application of Cover Type and Rootstock Height to the Success of Mango Grafting I Kadek Handre Darma Putra; Wawan Pembengo; Suyono Dude; Fitria S Bagu; Fauzan Zakaria; Silvana Apriliani; Mohamad Lihawa; Suparmin Fathan; Ramlan Mustafa
Jurnal Ilmu Pertanian Indonesia Vol. 30 No. 3 (2025): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.30.3.591

Abstract

The availability of high-quality mango seedlings is a major challenge in improving fruit yield and quality, which can be addressed through vegetative propagation techniques, such as grafting that combines rootstocks with strong root systems and scions from superior varieties. This study aimed to determine the effects of the interaction between cover type and rootstock height on mango grafting success. This study was conducted from July to September 2022. A split-plot design was employed, with the main factor being the cover type (single and mass cover) and the sub-factor being the rootstock height (50 cm and 30 cm). The measured parameters included the time for bud emergence, percentage of bud emergence, number of leaves, and grafting success, with data analyzed using ANOVA and LSD tests at a 5% significance level. The results showed that mass cover significantly influenced grafting success, with an average time of bud emergence of 12.40 days, percentage of bud emergence of 100%, average number of leaf average of 6.90, and grafting success rate of 100%. Conversely, the rootstock height did not significantly affect these parameters. Mass cover has been proven to create an optimal microenvironment for plant growth by maintaining humidity and temperature and protecting plants against extreme environmental conditions. In contrast, grafting incompatibility was detected in certain rootstock height treatments, potentially affecting the nutrient flow and graft quality. In conclusion, mass cover had a dominant effect on grafting success, whereas rootstock height had no significant impact. No interaction was found between cover type and rootstock height in mango grafting. Keywords: cover type, rootstock height, grafting
Aplikasi Teknologi Media Tanam Kompos Organik dalam Upaya Peningkatan Kualitas Bibit Pisang Cavendish Zulzain Ilahude; Fauzan Zakaria; Hayatiningsih Gubali; Mohamad Lihawa
Jurnal Abdimas Terapan Vol. 5 No. 2 (2026): JURNAL ABDIMAS TERAPAN (MEI)
Publisher : Program Vokasi Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jat.v5i2.134

Abstract

Quality Cavendish banana seedlings are needed to support successful cultivation and improve the productivity of banana farming. However, the Women Farmers Group Tunas Hijau in Haya-haya Village, West Limboto District, Gorontalo Regency, still faces several problems in seedling preparation. The growing medium used by the group still depends on ordinary soil, has low organic matter content, poor drainage, and does not yet produce uniform seedling growth. In addition, the technical knowledge of group members in preparing and applying organic compost as a growing medium is still limited. This community service activity aimed to apply organic compost-based growing media technology to improve the quality of Cavendish banana seedlings. The method consisted of program socialization, initial observation of seedling conditions, training on organic compost use, training on growing media formulation, demonstration of growing media preparation with a 2:1:1 ratio of soil, mature organic compost, and rice husk, mentoring during seedling application, and evaluation of seedling growth. The activity involved 20 participants and was carried out collaboratively with students and farmer group members. The results showed increased participant understanding and skills in recognizing mature compost, formulating growing media, filling polybags, transplanting seedlings, and maintaining seedling moisture. This activity provides a simple, low-cost, and applicable technology that can support healthier, more uniform, and sustainable Cavendish banana seedling production.
Co-Authors . Nurdin Abdul Gilang Komona Agustinus Moonti Arissa Bari Arsyad, Silviana Azis, Mohammad Arief Bagu, Fitria S. Bari, Arisma Dewa Oka Suparwata Dude, Suyono Echan Adam Fahrul Ilham Fery Firmansyah Fitria S Bagu Fitria S. Bagu Gafur, Mahyunita Abdul Hakiman, Mansor Haris Singgili Hayatiningsih Gubali I Kadek Handre Darma Putra Ika Okhtora Angelia Indriati Husain Irhamnawati Pulogu, Siska Kadek Setiawati Lamasika, Ghazaly Laode Muhamad Irsan Mahmud Kasim Mayasari Yamin, Mayasari Mobilingo, Sinta Mohamad Lihawa, Mohamad Mokoginta, Meity M Muhammad Arief Azis Muzakir Dukalang Nikmah Musa Nuki, Riska Pransiska Nurdin . Nurhayati , Pulukadang Nurmi Nurmi , . Nurmi Nurmi, Nurmi Nurmi, Nurmi, Purnama Ningsih Maspeke Rajib, Md. Mijanur Rahman Ramlan Mustafa Rival Rahman, Rival Satria Wati Pade Silvana Apriliani Siska Irhamnawati Pulogu Sri Yenny Pateda Sry Yenni Pateda Sry Yenni Pateda Sulle, Atrieda Suparmin Fathan Sutrisno Hadi Purnomo Wawan Pembengo Yunnita Rahim Zulzain Ilahude