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Agrica: Journal of Sustainable Dryland Agriculture
Published by Universitas Flores
ISSN : 27156613     EISSN : 27154955     DOI : https://doi.org/10.37478/agr
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry
Agrica: Journal of Sustainable Dryland Agriculture is a journal that presents a platform for sharing knowledge in science and technology related to Sustainable Dryland Agriculture. Its studies are agronomy, pest and plant diseases, soil science, agricultural conservation and ecology, organic farming, agrobiodiversity, agrotourism, permaculture covering the economic aspects of dryland sustainable agricul¬ture (agribusiness, agricultural socio-economic,, agroindustry), agricultural diversification, land and water conservation, agricultural climate, food security, animal welfare concept, mechanization, science and food technology in a dryland environment.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 287 Documents
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EKSPLORASI DAN KARAKTERISASI BAKTERI ENDOFIT DARI TANAMAN KOPI SOLOK RADJO, SUMATERA BARAT Diana Putri; Arifda Ayu Swastini Waruwu; Sri Heriza; Zahlul Ikhsan
AGRICA Vol. 19 No. 1 (2026): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v19i1.6901

Abstract

Endophytic bacteria in a plant tissue do not cause disturbance or damage to the plant. Phytohormones produced by endophytic bacteria can increase plant growth and function as antimicrobials. The study aims to explore, select, and characterize the morphology of endophytic bacteria originating from the stems and roots of coffee plants from Solok Radjo. Morphological observations were carried out after obtaining a single isolate of endophytic bacteria, then a Gram test with 3% KOH and a hypersensitive reaction test on water henna plants were carried out to determine the pathogenicity of the endophytic bacteria. A total of 35 isolates were obtained from the isolation results, namely 23 isolates from the stem and 12 isolates from the roots. The results of morphological observations of endophytic bacterial colonies on Nutrient Agar (NA) media were dominated by irregular colony shapes, smooth and shiny surfaces, flat elevations, and yellowish-white colony colors. Gram testing with 3% KOH obtained 17 isolates classified as Gram-positive and 18 isolates as Gram-negative. Hypersensitive observations that showed symptoms of necrosis (positive reaction) were 19 isolates, and no symptoms of necrosis (negative reaction) were 16 isolates.
ANALISIS USAHATANI SAYURAN ORGANIK PADA POLA TANAM POLIKULTUR (STUDI KASUS DI WIGUNA FARM, KABUPATEN BOGOR) Oktri Nanda Rahmawati; Harianto Harianto; Yusalina Yusalina
AGRICA Vol. 19 No. 1 (2026): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v19i1.6939

Abstract

The increasing demand for organic vegetables has opened up great opportunities for producers, including Wiguna Farm. However, Wiguna Farm has not been able to meet all market demand, so efforts to increase production are needed. In addition, Wiguna Farm has not calculated the income level for each type of vegetable cultivated using the polyculture method, even though this information is important as a basis for decision-making for business scale development. Based on this, this study aims to analyze the income level and cost-to-income ratio (R/C ratio) of six types of organic vegetables cultivated at Wiguna Farm using the polyculture method. This study uses a case study method with data collection techniques through interviews and observations, while the research location is determined purposively. The analysis used includes yield analysis, income analysis, and R/C ratio analysis. The results show that the six types of organic vegetables cultivated using the polyculture system at Wiguna Farm are profitable. Among the six commodities, pakcoy has the highest income level and R/C ratio, while kale has the lowest value.
OPTIMASI PERTUMBUHAN AKAR PADI MELALUI AMELIORASI HARDPAN DENGAN APLIKASI PUPUK KANDANG SAPI Isnaniar Rahmatul Azizah; Lolita Endang Susilowati; Dori Kusuma Jaya; Zaenal Arifin; Intan Lusiana Dewi
AGRICA Vol. 19 No. 1 (2026): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v19i1.6953

Abstract

Compacted soil (hardpan) conditions in rice fields restrict root growth, reduce nutrient uptake efficiency, and negatively affect crop productivity. This study aimed to examine the effect of manure application on rice root morphology and the improvement of soil physical properties in compacted rice fields. The research was conducted in Banyu Urip Village, Gerung District, West Lombok Regency, using a Randomized Block Design (RBD) with four manure doses (0, 2.5, 5, and 7.5 tons/ha) and four replications. Observed parameters included bulk density, particle density, porosity, permeability, root volume, and root dry weight. The initial soil condition showed a bulk density of 1.28 g/cm³, particle density of 2.10 g/cm³, porosity of 39%, and permeability of 0.8 cm/h, indicating compacted soil unfavorable for root development. The results showed that manure application significantly improved root growth and soil physical properties. Treatments of 5-7.5 tons/ha produced longer, more branched roots, reduced bulk and particle densities, and increased porosity and permeability, especially in the topsoil (0-6 cm). The 5 tons/ha dose was the most effective treatment for improving soil structure and aggregation without decreasing porosity due to excessive fine organic residues.
PERTUMBUHAN VEGETATIF-GENERATIF KELAPA SAWIT: STUDI KASUS PERBEDAAN JENIS TANAH DI KALIMANTAN BARAT Nurcahyono Nurcahyono; Julsento HP; Herlina Mega Puspitasari; Wandha Atmaka Aji
AGRICA Vol. 19 No. 1 (2026): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v19i1.7030

Abstract

Oil palm (Elaeis guineensis Jacq.) is a strategic commodity in Indonesia whose productivity is strongly influenced by environmental conditions, particularly soil type, which serves as the primary growing medium. This study aims to analyse the effect of various soil types on the vegetative and generative growth of oil palm in West Kalimantan. The study was conducted using a Completely Randomised Design (CRD) with four soil types moderate acid sulfate soil, deep acid sulfate soil, low soil, and mineral soil each replicated 5 times. Observed parameters included plant height, stem diameter, frond width, and number of flowers and fruits, which were then analysed using ANOVA and DMRT at a 95% confidence level. The results showed that soil type significantly affected plant height, with deep acid sulfate soil producing the highest average (4.1 m). In contrast, stem diameter, frond width, and the number of flowers and fruits did not differ significantly between soil types. This finding confirms that the characteristics of deep acid sulfate soil are more supportive of vegetative growth. Still, generative growth is more influenced by agronomic factors such as fertilization and water availability. In this regard, this research provides a scientific basis for applying the soil-adaptive cultivation concept to increase the productivity and sustainability of oil palm plantations across various soil conditions in Indonesia.
PENINGKATAN HASIL SEMANGKA DI LAHAN KARST MELALUI PRIMING ASAM SALISILAT DAN IRIGASI TETES Yovi Avianto
AGRICA Vol. 19 No. 1 (2026): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v19i1.7165

Abstract

Watermelon is an important horticultural commodity with increasing production and consumption trends in Indonesia. Its cultivation is now expanding into marginal areas such as karst landscapes, which have low water-retention capacity and thus heighten the risk of drought stress. Adaptive cultivation strategies, including drip irrigation and salicylic acid (SA) seed priming, have the potential to enhance the plant’s physiological resilience. This study aimed to evaluate the combined effects of SA seed priming and irrigation volume on the physiological responses, growth, and yield of watermelon grown under karst conditions. The experiment was conducted from May to July 2025 on Alfisol karst soil in Ponjong, Gunungkidul, using a factorial randomized complete block design with SA seed priming (0, 0.5, 1, and 1.5 mmol L-1) and two drip-irrigation volumes (1.5 and 2.5 L plant-1). Observations included vegetative growth, physiological parameters (photosynthetic rate, transpiration rate, leaf water use efficiency (LWUE), stomatal conductance, and proline content), as well as fruit yield and quality. The results showed that SA and irrigation did not affect vine length or leaf number but increased leaf area and shoot biomass under specific combinations of SA dose and irrigation volume. Physiological traits such as photosynthetic rate, LWUE, and proline were strongly influenced by the interaction of both factors, determining water-use efficiency and plant stress levels. Fruit weight and °Brix increased under optimal SA–irrigation combinations, whereas fruit diameter was affected independently by each factor. Correlation analysis indicated that LWUE and photosynthetic rate were the main determinants of yield and fruit quality, while elevated proline levels were associated with reduced fruit weight.
ANALISIS EROSI DAN SOSIAL EKONOMI TERHADAP DEGRADASI LAHAN SUB DAS WAIBLAMA Marianus Mayolis; I.N.Prijo Soetedjo; Philiphi de Rozari
AGRICA Vol. 19 No. 1 (2026): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v19i1.7510

Abstract

This study aims to determine the problems and impacts of land degradation on the geophysical, biological, and socio-economic environments in the Waiblama Sub-watershed. One of the main causes of land degradation is erosion. To determine erosion prediction and conservation planning in the Waiblama Sub-watershed area, Natar Mage Village and Tanarawa Village, Waiblama District, Sikka Regency, using the USLE method. The results of the study showed that the magnitude of erosion in the Waiblama Sub-watershed ranged from 0.05 to 1719.72 tons/ha/year, which is classified as very light to very heavy. The highest importance value index at the tree level is dominated by the Candlenut plant species (Aleurites moluccanus) with a relative density (KPR) of 0.11 to 0.26% and an importance value index (INP) of 6.74 to 10.96%. The pole level is dominated by the Lamtoro species (Leucacena leucocephala) with a KPR of 1.31 to 1.67% and an INP of 10.08 to 15.84%. The most dominant sapling level is the turi plant species (Sesbania grandifora) with a KPR of 0.53 to 1.82% and an INP of 6.07 to 14.70%. The most dominant seedling level is the gletang grass (Tridaxprocumbenns) with a relative density (KPR) of 6.67 to 29.26% and an importance value index (INP) of 18.70 to 63.34%.
PERSEPSI PEDAGANG SAYURAN DAN BUAH TERHADAP PASAR INDUK SURABAYA SIDOTOPO Moh Heru Alfin Maulana; Teguh Soedarto; Nisa Hafi Idhoh Fitriana
AGRICA Vol. 19 No. 1 (2026): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v19i1.7641

Abstract

The Surabaya Sidotopo Central Market plays a crucial role as a distribution hub and a driver of the local economy in East Java, yet it faces serious challenges such as a high proportion of vacant stalls (46.67%) and competitive pressure from modern markets. This study aims to analyze the perspectives of vegetable and fruit vendors regarding market management to increase their income, using a descriptive quantitative approach via a Likert-scale questionnaire administered to 67 vendors (34 vegetable vendors, 33 fruit vendors). The results indicate that vendors’ perceptions are generally positive, with a total score of 54.15 (the “Good” category), where cleanliness and facilities received the highest score (11.16), followed by social relationships (11.07), regulations (10.83), business sustainability (10.59), and innovation (10.50), while the main challenges include regulatory fairness, competition, and low adoption of digitalization. Theoretically, this study contributes by providing a multidimensional analytical framework that can be adapted to similar markets in other cities; practically, these findings provide data-driven guidance for managers to prioritize interventions ranging from infrastructure improvements, regulatory outreach, leadership training, and community empowerment to the adoption of digital technologies in order to strengthen the competitiveness of traditional markets and support the well-being of vendors as well as local economic stability.

Page 29 of 29 | Total Record : 287

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