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All Journal Jurnal Ilmu Agroteknologi Indonesia (JIGRONA) Jurnal Pengabdian Masyarakat Indonesia
Helmin Parida Zebua
Universitas Nias
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Pengaruh Naungan Terhadap Aktivitas Fotosintesis Dan Hasil Produksi Tanaman Cabai Merah (Capsicum Annuum L.) Helmin Parida Zebua; Herni Jelita Halawa; Stefani Angel Kristin Hulu; Siska Natalia Zebua; Putra Zato Mendrofa
Jurnal Ilmu Agroteknologi Indonesia Vol. 2 No. 1 (2026): JIRGONA - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jigrona.v2i1.1309

Abstract

This study aimed to analyze the effect of shading on the growth and photosynthetic rate of red chili pepper (Capsicum annuum L.). The results showed that shading treatment had a significant effect on morphological parameters, namely plant height and total dry weight, but did not significantly affect leaf width, leaf number, and leaf length compared to plants grown without shading. Physiologically, shading influenced quantum yield, photochemical quenching, and non-photochemical quenching, whereas the maximum photosynthetic rate (Pmax) did not show a significant difference. From an ecophysiological perspective, shading treatment significantly increased proline and ascorbic acid contents. These findings indicate that red chili pepper exhibits a high adaptive capacity to low light intensity conditions. This study is expected to contribute as a reference material and learning resource in the fields of plant physiology and plant biology.
Analisis Pengaruh Tekstur Dan Stuktur Tanah Terhadap Kemampuan Menyimpan Air Dilahan Pertanian Datar Rendah Helmin Parida Zebua; Trisna Sari Mendrofa; Inca Paskahlia Waruwu; Frans Zefrindo Two Waruwu; Irvan Havis Gea; Jufrilinus Waruwu
Jurnal Ilmu Agroteknologi Indonesia Vol. 2 No. 1 (2026): JIRGONA - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jigrona.v2i1.1310

Abstract

The soil’s ability to store water is one of the key factors determining agricultural productivity, particularly in lowland areas that frequently experience water saturation. This study aimed to examine the effects of soil texture and structure on the soil’s water-holding capacity. Soil samples were collected from several points in lowland areas and subsequently analyzed in the laboratory using the pipette method to determine soil texture, morphological observations to assess soil structure, and the gravimetric method to measure water-holding capacity. The results showed that fine-textured soils, such as clay, have a higher water-holding capacity compared to coarse-textured soils, such as sand. Soil structures that are granular and stable enhance soil porosity and enable water to be retained for a longer period. The combination of clay texture and granular structure resulted in the most optimal soil water-holding capacity. Therefore, soil physical conditions, particularly texture and structure, play a crucial role in maintaining soil water balance. Soil management practices involving the addition of organic matter and appropriate tillage are essential measures to improve soil water-holding capacity and support sustainable agriculture in lowland areas.      
Pengaruh Kekurangan Air Terhadap Transportasi Hara Pada Tanaman Padi Charles Septiawan Zebua; Nurul Hamidah Dohona; Andi Donal Zebua; Apriani Hia; Ariel Nezer Perlindungan Halawa; Basri Calvianus Waruwu; Helmin Parida Zebua
Jurnal Ilmu Agroteknologi Indonesia Vol. 2 No. 1 (2026): JIRGONA - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jigrona.v2i1.1312

Abstract

Water deficiency is one of the major abiotic factors that significantly affects the growth and productivity of rice (Oryza sativa L.). Insufficient water availability disrupts vital physiological processes such as nutrient absorption, translocation, and distribution from roots to plant tissues. This study aims to analyze the effects of water shortage on the nutrient transport mechanism in rice plants. The methods included observations of soil moisture content, leaf nutrient levels, and transpiration rates under various drought treatments. The results revealed that water deficiency significantly reduced the roots’ ability to absorb essential macronutrients such as nitrogen (N), phosphorus (P), and potassium (K), due to decreased mass flow and ion diffusion in the soil. Furthermore, the reduction in turgor pressure and xylem activity disturbance inhibited the upward transport of nutrients, leading to lower vegetative growth and yield. Overall, this study emphasizes that optimal water availability is a key factor in maintaining nutrient transport efficiency and rice productivity, providing a scientific basis for developing adaptive irrigation strategies under drought conditions.   
Pengaruh Pemupukan Nitrogen Terhadap Laju Fotosintesis, Kandungan Klorofil, Dan Pertumbuhan Tanaman Jagung (Zea Mays L.) Yanuari Hulu; Helmin Parida Zebua; Dencervis Gulo; Wendi Warisman Harefa; Sastra Alberta Hia; Serlin Jessica Mendrofa
Jurnal Ilmu Agroteknologi Indonesia Vol. 2 No. 1 (2026): JIRGONA - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jigrona.v2i1.1318

Abstract

Nitrogen is an essential nutrient that plays an important role in chlorophyll formation and photosynthesis. This study aimed to determine the effect of nitrogen fertilization on photosynthesis rate, chlorophyll content, and growth of maize (Zea mays L.). The research was conducted from October to December 2025 in Dahana Village, Universitas Nias, using a Completely Randomized Design (CRD) with four nitrogen levels and five replications. Observed parameters included plant height, number of leaves, and plant dry weight. Data were analyzed using analysis of variance (ANOVA) and LSD test at the 5% level. The results showed that nitrogen fertilization significantly affected maize growth by increasing plant height, leaf number, and dry weight. However, excessive nitrogen application did not always result in optimal growth. Therefore, appropriate nitrogen fertilization is required to support optimal maize growth.
Pelatihan Pembuatan Pupuk Bokasi dari Dedaunan Kering Dikelompok Tani Wanita Cerdas Desa Lawelu, Kecamatan. Ulu Moro'o, Kabupaten. Nias Barat Tuti Ariani Bawamenewi; Fitri Julianti Gea; Richard Alexander Waruwu; Destri Natalis Harefa; Helmin Parida Zebua
JURNAL PENGABDIAN MASYARAKAT INDONESIA Vol. 4 No. 2 (2025): Juni : Jurnal Pengabdian Masyarakat Indonesia (JPMI)
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jpmi.v4i2.5575

Abstract

Agriculture is the economic backbone of the people of Lawelu Village, Ulu Moro'o District, West Nias Regency, but dependence on chemical fertilizers is a serious challenge that threatens the sustainability of production. In response to this, training on making bokasi fertilizer based on local dry leaves has been carried out to increase the capacity of members of the "Smart" Women Farmers Group in processing organic waste into environmentally friendly fertilizer. Using a hands-on, hands-on, hands-on participatory approach (learning by doing), the training actively engages participants in all stages of the process, from leaf picking to fermentation. Evaluation of results showed a significant improvement in the knowledge and skills of the participants, as well as the success of fermentation characterized by quality fertilizer characteristics such as fresh aroma, grayish color, and crumb texture. The practice of producing CO₂ gas every week also accelerates the anaerobic fermentation process. This activity not only provides technical benefits, but also strengthens the understanding of the circular economy and the importance of utilizing local materials such as leaves, coconut water, and black soil in building sustainable agriculture. Overall, this training encourages farmers' independence in producing fertilizers and reducing dependence on chemicals, as well as being an inspiring model for organic farming innovations in other villages that have similar potential.
Analisis Permasalahan Kesuburan Tanah dan Strategi Pemulihannya di Desa Lawelu Kecamatan Ulu Moro’o Kabupaten Nias Herman Saputra Ndruru; Mesrana Putri Lahagu; Ernidar Mendrofa; Helmin Parida Zebua
JURNAL PENGABDIAN MASYARAKAT INDONESIA Vol. 4 No. 2 (2025): Juni : Jurnal Pengabdian Masyarakat Indonesia (JPMI)
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jpmi.v4i2.5579

Abstract

Soil fertility is one of the key factors in determining the success of the agricultural sector, especially in rural areas that rely heavily on agricultural products as the main source of livelihood. This research aims to analyze soil fertility problems and formulate strategies for its recovery in Lawelu Village, Ulu Moro'o Sub-district, Nias Regency. The approach used was descriptive qualitative with the support of quantitative data, through field observations, in-depth interviews, documentation studies, and questionnaire surveys of farmers. The results showed that the decline in soil fertility was caused by excessive use of chemical fertilizers, lack of crop rotation, and lack of sustainable agriculture education. Geographical factors such as high rainfall and steep topography also accelerated soil degradation. Recovery strategies are directed at a holistic approach through the application of organic fertilizers, biochar technology, crop rotation, soil and water conservation, and strengthening the role of local institutions and policies. These findings provide a foundation for the formulation of agricultural policies that are sustainable and contextualized in underdeveloped areas such as Lawelu Village.
Co-Authors Andi Donal Zebua Apriani Hia Ariel Nezer Perlindungan Halawa Basri Calvianus Waruwu Charles Septiawan Zebua Dencervis Gulo Destri Natalis Harefa Ernidar Mendrofa Fitri Julianti Gea Frans Zefrindo Two Waruwu Herman Saputra Ndruru Herni Jelita Halawa Inca Paskahlia Waruwu Irvan Havis Gea Jufrilinus Waruwu Mesrana Putri Lahagu Nurul Hamidah Dohona Putra Zato Mendrofa Richard Alexander Waruwu Sastra Alberta Hia Serlin Jessica Mendrofa Siska Natalia Zebua Stefani Angel Kristin Hulu Trisna Sari Mendrofa Tuti Ariani Bawamenewi Wendi Warisman Harefa Yanuari Hulu