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Jurnal Agronomi Tanaman Tropika (JUATIKA)
Published by Universitas Islam Kuantan Singingi
ISSN : 2684785X     EISSN : 26561727     DOI : https://doi.org/10.36378/juatika.v7i1
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agronomi Tanaman Tropika (JUATIKA) contains original articles of research, review article/literature review in Agronomy, Plant Protection, and Soil Science
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 327 Documents
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Improving Oil Palm (Elaeis guineensis Jacq) Farmer Productivity in Labusona Village, Labuhan Batu Regency Dino Mahendra; Khairul Rizal; Yusmaidar Sepriani; Badrul Ainy Dalimunthe
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.v7i3.4831

Abstract

Oil palm (Elaeis guineensis Jacq.) is a plantation crop that plays a vital role in the Indonesian economy. This study aims to analyze production costs, income, and the effect of production costs on oil palm farming income in Lobusona Village, Labuhanbatu Regency. The research sample consisted of 30 farmers selected through simple random sampling. Data were analyzed using multiple linear regression. The results show that the average production cost incurred by farmers was IDR 60,600,167 per year, while the average revenue reached IDR 136,266,783 per year. This yield resulted in a net income of IDR 75,666,617 per year, or approximately IDR 24,532,139 per hectare per year. The F-test results indicate that production costs, when considered simultaneously, have a significant effect on income (Sig. 0.000 < 0.05). Meanwhile, the t-test results reveal that fertilizer costs had no significant effect, whereas pesticide and labor costs had a significant adverse effect on income. Conversely, annual production, plant age, and the price of fresh fruit bunches (FFB) had a significant positive effect. The coefficient of determination (R²) of 0.996 demonstrates that 99.6% of the variation in income is explained by the variables included in the model. These findings suggest that the efficient allocation of production costs—particularly for pesticides and labor—is crucial for improving the profitability of oil palm farming.
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.
The Effectiveness of Rorak in Increasing Arabica Coffee (Coffea arabica L.) Growth and Productivity in the Gayo Highlands Bener Meriah Regency Mahmudah; Elli Efrida; Try Koryati; Joko Setiawan; Puji Wahyu Mulyani
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.v7i3.4838

Abstract

Arabica coffee plants can only grow optimally at altitudes above 1,000 meters above sea level. This research aims to compare the growth and yield of Arabica coffee plants (Coffea arabica) on land with and without Rorak at the Testing and Implementation Installation of Standard Agricultural Instruments (IP2SIP) in Gayo Regency, Aceh. The study uses a descriptive quantitative method with purposive sampling, involving 50 plant samples from two gardens. Growth parameters observed include stem diameter and leaf area, while yield parameters include fruit diameter and fruit weight. The results show that plants grown on land with Rorak exhibit significantly different growth compared to those on land without Rorak. Stem diameter and leaf area are larger on land with Rorak, indicating more optimal physiological conditions and vegetative development. Regarding yield parameters, fruit diameter and fruit weight are also higher on land with Rorak, reflecting better seed formation and more complete fruit filling. Overall, the implementation of Rorak in Arabica coffee plantations has the potential to enhance vegetative growth and plant productivity, making it an effective practice for sustainable cultivation systems in highland areas. Reason: The text was revised to correct grammar, punctuation, and spelling errors, improve sentence structure, and enhance clarity and technical accuracy. The vocabulary was refined to convey the research objectives, methods, and findings more effectively, ensuring the text is coherent and professional for an academic audience.
Response of Glutinous Corn (Zea mays var. Ceratina Kulesh) to Organic Fertilizer Application on Acidic Dry Land Maria Lusia; Ika Paridawati; Neni Marlina; Novrizal Syahrir; Susiana; Nurrohma; Haperidah Nunihlawati
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.v7i3.4842

Abstract

Acidic drylands are classified as suboptimal lands due to their low soil fertility, characterized by poor nutrient content, low organic matter, poor soil structure, and inadequate drainage. Glutinous corn is one of the corn varieties susceptible to acidic dryland conditions, although some varieties exhibit greater tolerance. This study aims to evaluate the effects of various types of organic fertilizers on acidic drylands and on the growth and yield of glutinous corn (Zea mays var. Ceratina Kulesh). The study was conducted at Jl. Sukarela, Km 7, Sukarame District, Palembang City, using a field experiment with a non-factorial Randomized Block Design (RBD) consisting of four treatments, each replicated six times. The treatments included: no organic fertiliser, chicken manure fertiliser (30 tons/ha), liquid organic fertiliser from vegetable waste (20 mL/L), and a combination of chicken manure fertiliser with vegetable waste POC. The parameters observed were plant height, number of leaves, cob length, cob weight per plant, cob weight per plot, dry stalk weight per plot, and weight of 100 seeds. The results showed an increase in soil fertility, as indicated by improved soil structure and a rise in soil pH from 5.3 to 6.5. The liquid organic fertiliser from vegetable waste, at a dose of 20 ml/L, was the most effective treatment, with an average cob weight per plant of 240.3 g (equivalent to 1.28 tons/ha).
Employing HCl for Pulp Extraction and Its Effect on Viability and Vigor of Cocoa Seeds (Theobroma cacao L.) Variety TSH 858 Salwa Rajni Fatchurrohman; Fitri Ekawati; Dini Hervani
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.v7i3.4850

Abstract

Cocoa seeds are classified as recalcitrant and have a pulp layer containing corrosive substances such as abscisic acid; if not properly cleaned, this layer can inhibit the germination process. To date, manual pulp cleaning using scouring ash remains ineffective and time-consuming. An alternative method is chemical treatment, such as using hydrochloric acid (HCl). The application of HCl at specific concentrations has been shown to effectively dissolve and break down the pulp layer attached to the seeds without damaging the seed tissue. This study aims to evaluate the effectiveness of various HCl concentrations for pulp extraction and their impact on the viability and vigor of cocoa seeds of the TSH 858 variety. The research was conducted at the Seed Technology Laboratory of the Faculty of Agriculture, Andalas University, employing a Completely Randomized Design (CRD) with five treatments: 0% HCl (control), 1% HCl, 3% HCl, 5% HCl, and 7% HCl. Each treatment was replicated four times. Data were analyzed using the F-test at a 5% significance level, followed by Duncan's New Multiple Range Test (DNMRT) at the same level if a significant effect was detected. The parameters measured included seed moisture content, germination rate, seedling height, root length, and vigor index. The results indicated that treatment with 5% HCl yielded the best outcomes for seed vigor, particularly in enhancing root length, but had no significant effect on seed viability. Therefore, 5% HCl is effective for extracting cocoa seed pulp without compromising viability and can improve seed vigour by promoting root growth.
Optimization of Biological Nitrogen Fixation by Rhizobium Bacteria to Enhance Growth and Yield of Soybean (Glycine max L.) Johannes Pardede; Noverina Chaniago; Murni Sari Rahayu
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.v7i3.4853

Abstract

Rhizobium bacteria play a pivotal role in soybean (Glycine max L.) cultivation through their ability to perform biological nitrogen fixation. The effectiveness of Rhizobium in increasing crop yield is influenced by the soybean variety and the inoculation dose applied. Therefore, the application of Rhizobium inoculants appropriate to soybean varieties has the potential to increase the efficiency of nitrogen utilization in a sustainable and environmentally friendly manner. This study aims to determine the effectiveness of Rhizobium strain doses on the growth and production of two soybean varieties. The study was conducted using a factorial Randomized Block Design (RBD), consisting of two factors: soybean varieties (Anjasmoro and Dega 1) and Rhizobium doses (control/without Rhizobium, 10 g/kg seed, and 15 g/kg seed). Data were analyzed using analysis of variance (ANOVA) and continued with Duncan’s Multiple Range Test (DMRT) at a significance level of 5%. The results showed that the interaction between soybean varieties and Rhizobium doses had a significant effect on leaf area. The best treatment combination was obtained with the Dega 1 variety and a Rhizobium dose of 15 g/kg of seeds. The Dega 1 variety had a significant effect on seed weight per plant and per plot. This variety demonstrates superior physiological capabilities and adaptability in utilizing growing resources for seed biomass accumulation, thereby contributing to increased national soybean yields. A Rhizobium dose of 15 g/kg seed had a significant effect on the number of root nodules and the number of soybean pods. Therefore, this dosage is recommended as the standard in soybean cultivation using inoculation technology.
Diversity of Arthropods in Peanut Plants (Arachis hypogaea L) Administered Using Organic Fertilizer in Dry Land Dessy Astuti; Neni Marlina; Maria Lusia; Ika Paridawati; Joni Philep Rompas; Railia Karneta; Ida Aryani; Dewi Karnela
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.v7i3.4870

Abstract

This study aimed to determine the diversity of arthropods on peanut plants (Arachis hypogaea L.) grown on land treated with organic fertilizer. The research was conducted from July to December 2024 at Jalan Sukarela KM 7, Palembang City. Data collection for arthropods in the plant canopy was performed through direct observation, involving the counting and identification of arthropods visible on the surfaces of leaves and stems, without the use of nets. For soil surface observations, the pitfall trap method was employed. The observation parameters included the identification of arthropod types and the calculation of the diversity index at both the canopy and soil surface levels of the plants. Arthropods found in the peanut plant canopy belonged to 5 orders and 10 families, while those on the soil surface comprised 7 orders and 9 families. The diversity index in the plant canopy was 2.12, categorised as medium, whereas on the soil surface, it was 1.57, classified as low.
Optimizing Oil Palm (Elais guinensis L.) Carbon Management in Tidal Lands to Support Sustainable Plantations Ismail Ismail; Cecep Wahyudin; Triyo Haryono
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.v7i3.4871

Abstract

Oil palm plantations in tidal areas face complex challenges in optimizing carbon management to achieve sustainable production. This study aims to analyze the dynamics of carbon stocks across various management systems of oil palm plantations in tidal zones and to develop optimization strategies for sustainable production. The research was conducted in Menten Village, Rambutan District, Musi Banyuasin Regency, South Sumatra, employing a factorial Randomized Complete Block Design with factors including water management systems (conventional, semi-intensive, conservation, optimization) and plant age categories (3–5, 6–10, 11–15, 16–20, and 21–25 years). CO₂ emissions and sequestration were measured using the LI-COR LI-8100A system; biomass was assessed through allometric equations and destructive sampling methods, while soil and water parameters were analyzed using standard procedures. The results demonstrated that the optimized system incorporating smart drainage achieved the best performance, exhibiting the lowest CO₂ emissions (6.2 Mg C/ha/year), the highest carbon absorption (21.5 Mg C/ha/year), and a positive net carbon balance (+15.3 Mg C/ha/year) with an efficiency of 346.8%. This system also increased fresh fruit bunch (FFB) productivity from 18.5 tons/ha/year under conventional management to 26.4 tons/ha/year, with superior quality metrics (oil content: 27.2%, acid value: 1.4%, crude palm oil yield: 25.2%). Total carbon stock progressively increased from 23.7 Mg C/ha in young plants to 147.9 Mg C/ha in mature plants, with an optimal sequestration rate of 17.8 Mg C/ha/year. The implementation of smart drainage, combined with IoT technology and biochar application, effectively optimized edaphic conditions by increasing soil pH to 4.8, raising organic carbon content to 4.2%, reducing bulk density to 0.68 g/cm³, and controlling salinity at 1.2 dS/m. This study confirms that oil palm plantations on tidal lands can achieve sustainability through precision agriculture practices that integrate precision water management, biochar application, and real-time monitoring to optimize the balance between productivity and carbon conservation.
Post-Fire Analysis of Topogenic Peatland Characteristics in Pelalawan Regency, Riau Ifoshane Simarmata; Mukhlis; Revandy I. M. Damanik
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.v7i3.4899

Abstract

Peatland fires contribute to overall ecosystem degradation, affecting physical, chemical, and biological components, including the loss of carbon stocks, alterations in soil structure, and a decline in land quality. This study aims to analyze changes in morphological characteristics, physical and chemical properties, and vegetation cover in burned and unburned peatlands in Pelalawan Regency. The research was conducted in the peatlands of Pangkalan Kerinci District using a descriptive approach with purposive soil sampling. The results indicated that across all three peatland conditions—peat swamp land, burned peat, and unburned peat—the peat maturity level was classified as sapric, with relatively similar physical characteristics. Peat swamp land exhibited higher water content, bulk density, particle density, and porosity compared to the other two conditions, while burned land showed the lowest water content and porosity. Variations in soil color did not correspond to significant changes in soil physical properties, suggesting that peatland fires in Pelalawan Regency did not substantially affect the morphological, physical, or chemical characteristics of the soil, which remained within the same classification range. Additionally, on the peatland burned in 2019, a natural succession process was observed, with the dominant vegetation being the grass Leersia oryzoides.
Mycorrhizal Application and Dosage Material Organic Towards Increasing Chili Pepper Production (Capsicum frutescens) on Goal Plant Cocoa Mizan Maulana; Suswati; Zulheri Noer; Syafruddin
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.v7i3.4967

Abstract

Cayenne pepper is a horticultural commodity with high economic value and is widely cultivated by farmers across various regions in Indonesia. In addition to household consumption, cayenne pepper serves as a raw material for the food and beverage industry. Its nutritional content, including vitamin C, vitamin A, lycopene, and various antioxidants, makes this plant important from both health and economic perspectives. However, productivity at the farmer level faces several challenges, including limited use of fertilizers and sustainable organic materials. Excessive reliance on chemical fertilizers can degrade soil fertility and harm the environment. Therefore, the use of organic materials, such as liquid organic fertilizer (POC), and growth-promoting fungi, such as mycorrhizae, offers an environmentally friendly alternative with the potential to increase crop production. This study aimed to determine the effects of different types of organic fertilizers used by farmers, specifically mycorrhizae and POC, and their interactions on cayenne pepper production. The experiment employed a 4 × 3 factorial randomized block design (RBD) with three replications, yielding 12 treatment combinations across two factors. The results showed that mycorrhizae had a significant effect on plant height at 15, 30, and 45 days after planting (DAP), as well as on fresh weight at 110 DAP, but no significant effect on other parameters. Additionally, there was no significant interaction between mycorrhizae and POC doses on any observed parameters. Among the mycorrhizal types tested, Glomus mosseae consistently produced better results compared to other mycorrhizal types throughout the observation period on cayenne pepper plants.

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