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Program Studi Magister Sains Pertanian, Program Pascasarjana, Universitas Warmadewa jalan Terompong No 24, Denpasar, Bali
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Agriwar Journal
Published by Universitas Warmadewa
ISSN : 28081323     EISSN : 28081137     DOI : https://doi.org/10. 22225/aj
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agriwar Journal is an agricultural science journal published for the development of science and technology in the use of natural resources and sustainable agricultural management, which provides a forum for publishing research articles or review articles. This journal includes original research articles, review articles and brief communication bases for agricultural development including; Agronomy, Soil Science, Pest Disease Control, Food Technology, Biotechnology, Fisheries, Aquatic Resources Management, Livestock, Animal Feed Nutrition, Agribusiness, and Agroindustry.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 65 Documents
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Weed Management by Acacia Organic Mulch In Soybean For Sustainable Agriculture And Food Security Anuar Ramut
Agriwar Journal Vol. 6 No. 1 (2026): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

The application of organic mulch derived from plants containing allelopathic compounds, which can suppress weed growth in soybean fields. This study aims to evaluate the effectiveness of reduced acacia organic mulch dosages as an adaptive and efficient weed management innovation that contributes to sustainable agriculture practices and reinforces national food security.The study was conducted in Lawe Sagu Hulu Village, Lawe Bulan Sub-district, Southeast Aceh Regency, Indonesia, from August to December 2024. The experimental design employed a single-factor Randomized Complete Block Design (RCBD) with five treatment levels of acacia organic mulch dosage: 0, 4.8, 9.6, 14.4, and 19.2 tons ha?¹, each replicated four times. The acacia litter used as organic mulch was cut into 10 cm pieces and spread evenly on the soil surface according to the treatment dosage. Observed parameters included weed cover percentage, number of species, and fresh weed biomass, plant height and number of leaves, number of pods, seeds, and dry seed yield per plant. Data were analyzed quantitatively using SPSS version 16. When significant effects were detected, mean separation was conducted using DNMRT at a 5% significance level. The application of acacia organic mulch at a dosage of 4.8 tons ha?¹ reduced weed cover percentage at 20, 30, 40, and 50 days after planting and increased plant height at 30 days as well as the number of pods per soybean plant. The dosage of 9.6 tons ha?¹ of acacia organic mulch decreased weed fresh weight at 30 and 50 days after planting.
The Effect of Solid Organic Fertilizer Application on the Growth of Bede Grass (Brachiaria decumbens) Emanuel Sedan; Nyoman Pande Aryanti; Ni Ketut Etty Suwitari; I Gusti Ayu Dewi Seri Rejeki
Agriwar Journal Vol. 6 No. 1 (2026): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

Bede grass (Brachiaria decumbens) is a high-quality forage plant commonly used as green fodder due to its favorable growth characteristics, biomass production, and nutritional value. This study aimed to evaluate the effect of solid organic fertilizer application and different fertilizer doses on the growth and production of Bede grass. The experiment was conducted using a randomized block design with five treatments and three replications. The treatments consisted of P0 (without solid organic fertilizer), P1 (10 tons/ha), P2 (20 tons/ha), P3 (30 tons/ha), and P4 (40 tons/ha) of solid organic fertilizer. The results showed that the application of solid organic fertilizer had no significant effect (P>0.05) on most growth and production parameters of Brachiaria decumbens, except for fresh leaf yield, which was significantly affected (P<0.05). These findings indicate that the application of solid organic fertilizer at different doses did not significantly influence vegetative growth. However, the application rate of 30 tons/ha tended to produce better growth and yield compared to other treatments, although the differences were not statistically significant. Further research is recommended to consider environmental factors such as soil properties and light intensity to better understand the response of Brachiaria decumbens to solid organic fertilizer. The use of a 30 tons/ha fertilizer dose may be considered due to its tendency to provide optimal results.
Utilization of Centrosema Legume as a Nutrient-Rich Forage for Sustainable Livestock Systems Rezki Amalyadi
Agriwar Journal Vol. 6 No. 1 (2026): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Livestock production systems in tropical regions face increasing pressure to improve feed quality while maintaining environmental sustainability and reducing dependence on external inputs. Forage legumes offer a viable strategy to address these challenges by enhancing nutritional value and delivering key ecosystem services. This study evaluated the agronomic performance, forage yield, and nutritional characteristics of Centrosema pubescens as a nutrient-rich forage legume within sustainable livestock systems. A field experiment was conducted using a randomized complete block design with three replicates under tropical conditions representative of smallholder production environments. Forage biomass was harvested at the peak vegetative stage and analyzed for dry matter yield, crude protein, fiber fractions, and mineral content using standard laboratory procedures. The results showed that Centrosema produced substantial biomass, exceeding 5 t ha?¹ of dry matter, indicating strong adaptation and productive capacity under low-input management. Nutritional analysis revealed high crude protein concentrations (18–22%) and moderate fiber levels, supporting its suitability as a protein supplement for ruminant diets dominated by low-quality grasses. Integration of Centrosema into grass-based systems improved overall forage quality and contributed to enhanced soil nitrogen availability through biological nitrogen fixation, thereby reinforcing nutrient cycling and soil health. Conceptual analysis further highlighted the role of grass–legume mixtures in promoting rhizosphere stability and sustaining forage productivity. Overall, the findings confirm that Centrosema pubescens is a promising forage legume for improving feed quality, supporting soil fertility, and advancing the sustainability of tropical livestock production systems. Further studies incorporating animal performance trials are recommended to fully quantify its impact on ruminant productivity.
Influence of Lemek Sari Organic Fertilizer and NPK Tawon on the Growth and Yield of Chili I Kadek Sudiadnyana; Yohanes Parlindungan Situmeang; Ida Bagus Komang Mahardika
Agriwar Journal Vol. 6 No. 1 (2026): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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This study investigated the effects of Lemek Sari organic fertilizer and NPK Tawon inorganic fertilizer on the growth and yield of chili (Capsicum annuum L.). A randomized block design with a factorial arrangement was employed, incorporating five Lemek Sari doses (0, 10, 20, 30, 40 t ha?¹) and four NPK Tawon doses (0, 200, 400, 600 kg ha?¹). NPK Tawon fertilizer exerted highly significant effects (P < 0.01) on all measured growth and yield parameters. The optimum dose of 600 kg ha?¹ produced the highest fruit weight (202.37 g), representing a 2073.68% increase over the unfertilized control. Lemek Sari organic fertilizer applied independently had a significant effect solely on stem diameter (P < 0.05), whereas the 40 t ha?¹ dose elevated fruit weight by 90.07% relative to the control. A highly significant synergistic interaction (P < 0.01) was observed for the number of harvested fruits, with the combination of 40 t ha?¹ Lemek Sari and 600 kg ha?¹ NPK Tawon yielding the highest fruit number (34.67 fruits per plant), compared to zero fruits in the unfertilized control. Correlation analysis revealed near-perfect positive relationships (r > 0.90) among vegetative and generative parameters under NPK Tawon treatment, confirming that macronutrient supply acted as the primary limiting factor for yield formation. These findings demonstrate that soil improvement by high-dose Lemek Sari organic fertilizer maximizes the efficiency of NPK Tawon, providing a scientifically grounded strategy for sustainable intensification of chili production.
Effect of NPK Phonska Plus and Lemeksari Fertilizers on White Eggplant Yield (Solanum melongena L.) I Kadek Benzen Prayoga; Ida Bagus Komang Mahardika; Yohanes Parlindungan Situmeang
Agriwar Journal Vol. 6 No. 1 (2026): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

This study aims to determine the effect of NPK Phonska Plus dosage, Lemesari organic fertilizer dosage, and its combination on the growth and yield of white eggplant (Solanum melongena L.). White eggplant has high economic potential in Bali, but its productivity is constrained by low soil fertility. The research was conducted in Cemagi Village, Badung Regency, using a factorial Random Block Design (RBD) with two factors: the dose of NPK Phonska Plus (0.200, 400, 600, 800 kg/ha) and the dose of Lemeksari organic fertilizer (0, 10, 20, 30 tons/ha). Preliminary soil analysis showed a very low C-organic content (1.75%). Data were analyzed using ANOVA and 5% LSD/DMRT tests. Answering the hypothesis, the results of the study show that the application of NPK Phonska Plus significantly affects the height of the plant, stem diameter, number of fruits, and weight of fruit, with 400 kg/ha being the optimal dose for physical aesthetics (length and diameter). Secondly, the application of Lemeksari organic fertilizer significantly increased the height of the plant and the weight of the fruit, confirming the hypothesis that a dose of 30 tons/ha provides the best response due to the improvement of soil structure. Finally, the interaction between the two fertilizers significantly affects the generative phase (the number of fruits and the weight of the harvest). The combination of NPK 400 kg/ha and Lemeksari 30 tons/ha is recommended as the most agronomically efficient treatment to optimize crop yields.

Page 7 of 7 | Total Record : 65

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