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Pebra Heriansyah
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Faculty of Agricultural Sciences, Islamic University of Kuantan Singingi Campus Kebun Nenas, Jake Jl. Gatot Subroto KM. 7. Kebun Nenas Jake, Kuantan Singingi, Riau Indonesia 29566
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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 213 Documents
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Soil Compaction in Oil Palm (Elaies guineensis Jacq.) Plantations: A literature review Maharani, Tati; Maryanti, Adelina; Mulyani, Sri; Salman, Salmita; Dewi, Ilma Satriana; Nopsagiarti, Tri
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.4981

Abstract

Soil compaction is becoming a serious issue in oil palm plantations due to the escalating mechanization and more intensive field practices. This review consolidates studies into the source, effects and remediation of compaction in order to gain an insight into how soil degradation affects oil palm growth and yield. A systematic review was conducted of studies in tropical and subtropical systems that applied field experiments, geostatistical mapping, and below-ground soil biological analyses. The results indicate that compaction is primarily influenced by mechanism lightening intensity, texture and water status resulting in an increase of bulk density and penetration resistance as well as a reduction of porosity. Even though root biomass reduction and root structural modification frequently take place in compaction treatments, yield response is not always detrimental, partial compensation has been demonstrated by others through acclimation of roots altering growth. Mechanical subsoiling, biological amendments and controlled traffic farming were the most effective mitigation options, but their long-term effects and interactions with soil microbiota are still unknown. Additionally, compaction changes the soil microbial community and chemistry, which results in nutrient cycling disturbances and greenhouse gas emissions. On the whole, these syntheses point to requirements for more integrated ecological and long-term management strategies, combining both physical and biological aspects of soil health and oil palm productivity in tropical landscape overall.
The Effect of Providing Nitrogen on The Growth of Kesum (Persicaria minor Huds.) in a Deep Water Culture Hydroponic System Ramadani, Sandy; Barus, Wan Arfiani; Mohd, Yaseer Suhaimi bin
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.4997

Abstract

Kesum (Persicaria minor Huds.), a plant rich in flavonoids such as quercetin and quercetin-3-glucuronide, holds significant value as a traditional medicine and distinctive culinary herb, particularly in West Kalimantan. This study evaluated the effects of five nitrogen concentrations (0, 50, 100, 150, and 200 mg L⁻¹) on the growth and phytochemical accumulation of kesum cultivated using a floating-raft deep water culture (DWC) hydroponic system. The experiment was conducted in a greenhouse at MARDI, Malaysia, employing a randomized block design with five replications. The results revealed highly significant effects of nitrogen (p < 0.01) on all measured growth and phytochemical parameters. Key findings include the highest plant height (80.33 cm) at 100 mg L⁻¹ nitrogen, maximum biomass production (fresh weight 176.64 g and dry weight 43.99 g per 30 plants) at 150 mg L⁻¹ nitrogen, and a substantial increase in phytochemical content at 50 mg L⁻¹ nitrogen, with quercetin-3-glucuronide reaching 98 µg/mg and quercetin 67 µg/mg—2 to 3 times higher than the control. In contrast, 200 mg L⁻¹ nitrogen caused toxicity, resulting in reduced biomass and phytochemical levels. Based on these findings, the optimal nutrient recommendations are 100–150 mg L⁻¹ nitrogen (with phosphorus maintained at 150 mg L⁻¹ and potassium at 200 mg L⁻¹) for commercial production aimed at maximizing fresh leaf yield and biomass, and 50 mg L⁻¹ nitrogen for cultivation focused on maximizing bioactive compound content for phytochemical extraction and the phytopharmaceutical industry.
Effectiveness of Synthetic and Natural Antifungals Against Postharvest Diseases and Quality of Barangan Bananas (Musa acuminata) Tambunan, Aji Mahmudi; Novita, Aisar; Yusoff, Nor Hanis Aifaa
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5004

Abstract

This study was conducted to evaluate the effects of antifungal treatments and storage duration on the physical, biochemical, and post-harvest disease quality of Barangan bananas (Musa acuminata). Barangan bananas are a premium agricultural commodity from North Sumatra, popular as table bananas due to their sweet taste and distinctive aroma. Four treatments were applied: kawalan (untreated control), 0.3% cinnamon oil, 200 ppm sodium dichloroisocyanurate (NaDCC), and 200 ppm propiconazole. The parameters evaluated included skin color (brightness, chroma, hue angle), weight loss, texture, pH, citric acid content, total soluble solids (TSS), vitamin C, TSS:TTA ratio, and the severity of crown rot and anthracnose during seven days of storage at room temperature. The results showed that storage duration significantly affected color, weight loss, pH, acidity, and the TSS:TTA ratio, while the treatments did not show significant differences (p > 0.05) for most parameters. However, the 200 ppm propiconazole treatment demonstrated the best performance in maintaining a uniform yellow color, minimizing weight loss, and reducing root rot infection compared to other treatments. Therefore, the use of propiconazole at a moderate concentration is recommended as an effective postharvest treatment for Barangan bananas, suitable for both the local fresh market and medium-term export, especially under non-refrigerated storage conditions.
Architecture System Root and the Tensile Strength of Piper sarmentosum and Pandanus amaryllifolius for Application in Biotechnology on Land Slope Tropical Rizki Abdillah, Yahya; Caesar Hidayat, Taufiq; Nadhirah Masri, Intan
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5005

Abstract

Erosion and slope instability are major causes of land degradation in tropical areas. This research aims to evaluate the root architecture and tensile strength of Piper sarmentosum (Kaduk) and Pandanus amaryllifolius (Pandan) as candidate vegetation for slope stabilization using biotechnology. Root samples were analyzed using the WinRHIZO software to characterize root morphology, while tensile strength was tested with a digital push-pull meter (AMF-300) using the equation σ = 4F/πd². The results show significant differences between the two species. Kaduk has a fibrous root system (type H) with an average fine root diameter of 0.65 ± 0.02 mm and a length-to-volume ratio of 600.38 ± 384.87 cm/m³, which effectively increases soil surface cohesion. Pandan has a very thick adventitious root system (type VH) with an average root diameter of 3.74 ± 0.53 mm and a large surface area of 155.75 ± 0.22 cm², functioning as a strong anchor to stabilize lower soil layers. Both species exhibit a strong correlation between root diameter and tensile strength, with Kaduk showing higher tensile stress (R² = 0.8652) and Pandan demonstrating greater total withdrawal force. The excellent results indicate that combining these two species can double slope stability compared to using either species alone, making this an effective and sustainable vegetative solution for tropical land management. It is recommended to plant Kaduk on the upper slope to strengthen the soil surface and Pandan in the middle to lower slope sections to serve as a structural anchor, thereby optimizing the natural erosion-retention system.
Soil Quality Study Of Pomelo (Citrus Maxima (Burm) Merr) Plantation in Padanglampe Village, Pangkajene Regency Ahmad, Asmita; Musrini, Andi Ravita Sari; Fajeriana, Nurul
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5006

Abstract

Pamelo orange plants represent a significant horticultural commodity with substantial economic value and are extensively cultivated in Pangkajene Regency. The quality of Pamelo fruit in Padanglampe Village varies, with some fruits being sweet and others slightly sour, suggesting that differing soil conditions may influence fruit quality. This study aims to investigate the soil quality of Pamelo plants in Padanglampe Village, Ma'rang District, Pangkajene Regency. A quantitative descriptive method was employed, involving the collection of secondary data, field surveys, primary data collection through soil sampling, and laboratory analysis of minimum data sets (pH, total nitrogen, available phosphorus, organic carbon, and exchangeable potassium). Soil quality indices were analyzed using statistical tests, including principal component analysis (PCA). The findings indicated that soil pH was slightly acidic, organic carbon content was low, and nitrogen, phosphorus, and potassium levels were categorized as medium. Correlation tests revealed a significant negative correlation at the 1% alpha level between bulk density and porosity, while organic carbon and soil pH were positively correlated at the 5% alpha level. The scree plot showed three eigenvalues corresponding to the main components in PCA1, PCA2, and PCA3 analyses, which can be further examined to determine the Soil Quality Index (SQI) value. The SQI-PC1 value of 0.55 was categorized as moderate, while the SQI-PC2 and SQI-PC3 values were classified as very low. However, the comprehensive soil quality index (CSQI) value was 0.97, indicating outstanding soil quality. This finding suggests that Padanglampe Village has highly favorable soil conditions for pomelo cultivation, though improved management practices are needed to sustain optimal production. The primary strength of this study lies in integrating chemical and physical soil indicators into a single comprehensive index, providing a more holistic assessment of land suitability for pomelo cultivation. Based on these findings, it is recommended that farmers prioritize areas with high SQI values as primary zones for pomelo development and implement sustainable soil management practices, particularly by increasing soil organic matter content and applying appropriate fertilizer management, to maintain soil quality and ensure the long-term sustainability of pomelo production.
Leaf Vegetable Seed Germination in Various Concentrations of Organic Liquid Fertilizer Based on Manure Supambri, Doni; AlQamari, Muhammad; Maruthai Pillai, Sashikala
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5062

Abstract

The use of liquid organic fertilizer (POC) derived from manure is an alternative nutrient source with the potential to enhance seed vigor and early plant growth. This study aimed to analyze the germination dynamics of four horticultural crops (kailan, lettuce, bok choy, and mung beans) and determine the most effective dose of a cow dung-based liquid organic fertilizer. The experiment was conducted at the MARDI Malaysia Organic Farm using a non-factorial Randomized Block Design (RBD) with six POC concentration treatments (0%, 1%, 2%, 3%, 4%, and 5%) and four replications. Observed parameters included germination rate, plant height, number of leaves, root length, fresh weight, and dry weight. Results indicated that the 3–4% POC treatment elicited the best response across most parameters. The highest germination rate was recorded at concentrations of 3–5%, ranging from 20.33% to 23.00%, while the maximum seedling height of 20.38 cm was observed at a 3% dose. The greatest root length was found in the 5% treatment, measuring 17.50 cm for kailan, followed by 9.50 cm for bok choy and 8.75 cm for lettuce. The highest fresh and dry weights, 2.38 g and 0.38 g, respectively, were recorded in mung beans at a 4% concentration. Overall, manure-based POC at a 3–4% dose proved optimal for enhancing germination dynamics and early plant growth without inducing physiological stress.
Proximate Analysis And Growth Performance Of Local Upland Rice (Oriza Sativa. L) Treated With Various Doses Of Fish Waste–Secondary Vegetation Bokashi On Marginal Lands Of Small Islands Wa Ode Hinarti; Anshar; Samsibar
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5070

Abstract

Rice (Oryza sativa L.) is an essential food crop and a primary staple for most Indonesian people. One of the potential rice types that can be developed in small island regions is local upland rice, which is known for its strong adaptability to marginal soils and drought conditions. This study aimed to determine the effect of various doses of fish-waste and secondary-vegetation bokashi on the growth of two local upland rice cultivars, Paewuna (Muna Island) and Wakawondu (Buton Island). The research was conducted in Lupia Village, Kabangka Subdistrict, Muna Regency, from July to October 2025. A factorial randomized block design (RBD) was used, consisting of four bokashi doses: without bokashi (P0), 10 ton ha⁻¹, 20 ton ha⁻¹, and 30 ton ha⁻¹, combined with two cultivars: Wakawondu and Paewuna. Growth parameters observed included plant height, number of tillers, number of leaves, leaf length, and leaf width at 4, 6, and 8 weeks after planting (WAP). The results of the study showed that the application of bokashi had a highly significant effect on plant height and leaf length of local upland rice at 4 and 6 weeks after planting (WAP), and on leaf width at 8 WAP, but had no significant effect on plant height at 8 WAP, tiller number at 4 WAP, and the number of leaves at 4, 6, and 8 WAP. The application of 20 tons ha⁻¹ bokashi produced the best plant growth. Furthermore, the effect of cultivar differences showed that the cultivars had a highly significant effect on plant height and leaf length at 4, 6, and 8 WAP, tiller number at 4 WAP, and the number of leaves at 4 and 6 WAP, and a significant effect on tiller number at 6 WAP. The Paewuna cultivar demonstrated superior growth performance compared to the Wakawondu cultivar. Proximate analysis indicated that both Wakawondu and Paewuna cultivars contain high nutritional value, with carbohydrate content ranging from 24–29%, protein 6–8%, fat 1–2%, and crude fiber 8–9%, and are categorized as good for consumption as a community food source.
Evaluation of Peat Nutrient Content in Coconut Plantations: Palm oil (Elaeis gueneensis Jacq.) In Paham Labuhanbatu Munawarah; T. Irmansyah; Rauf, Abdul
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5111

Abstract

The use of peatlands for oil palm cultivation involves soil processing techniques, including physical soil improvement and water management, which can alter groundwater levels. These processes can change the peat structure from coarse to very soft and compact, ultimately affecting its chemical properties. This study aims to evaluate the nutrient content of peat at different depths in oil palm plantations. A descriptive method was employed by collecting soil samples from degraded areas at depths of 0–30 cm (top layer) and 30–60 cm (bottom layer). Observations were conducted over several years of oil palm cultivation. The results indicate that at 0–30 cm depth, total nitrogen (N) and potassium oxide (K₂O) content tended to be higher in 2015, whereas phosphorus pentoxide (P₂O₅) content was higher in 2013. In conclusion, variations in planting years suggest an interaction between plant age and nutrient content in peat. This finding underscores the importance of considering soil depth and plant age to maintain peat soil fertility in oil palm plantations. Consequently, fertilization and land management strategies can be implemented more efficiently and sustainably.
Assessment of Water Quality in MARDI (Malaysian Agricultural Research and Development Institute) for Sustainable Farming Siregar, Agnes Fitriani; Alridiwirsah; Rahman, Mohd Nordin Abdul
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5126

Abstract

This study aims to assess the water quality at MARDI Serdang, Selangor, Malaysia, which is utilized to support MARDI’s efforts in maintaining the availability and quality of water for research purposes and sustainable agricultural activities. This study was conducted to assess the water quality at several selected locations within the Malaysian Agricultural Research and Development Institute (MARDI). Several key physico-chemical parameters such as dissolved oxygen (DO), biochemical oxygen demand (BOD), chemical oxygen demand (COD), total suspended solids (TSS), pH, and the presence of certain heavy metals were analyzed. Water samples were collected from identified sampling points and analyzed according to the standard procedures established by the American Public Health Assiciation (APHA, 2017). The analytical results were compared with the Water Quality Index (WQI) standards used by the Department of Environment (DOE) Malaysia. The findings of the study showed significant variations in water quality among the sampling locations, with some areas exceeding the Class II limits specified in the Malaysian National Water Quality Standars. This study emphasizes the need for continuous monitoring and recommends measures to maintain and improve water quality within MARDI facilities. Overall, this study provides important insights into the water quality conditions at MARDI Serdang. Through regular monitoring and the implementation of approriate water treatment technologies, MARDI can maintain water quality while supporting the implementation of sustainable agriculture in the future.
Increasing the Growth and Yield of Local Rice Varieties and Improving Soil Chemical Properties in Peatlands with Dolomite Application Susanti, Sari; Roslianti, Meli
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.5135

Abstract

Rice is a staple food crop for many people. However, rice production has been declining annually. If this decline continues, it could lead to a food crisis in Indonesia. The expansion of non-agricultural development has left the remaining agricultural land less fertile, particularly peat soils. This study was conducted on peatland in Tanah Putih District, Rokan Hilir Regency, Riau Province. A randomized complete block design (RCBD) with two factors was used. The first factor was dolomite lime dose at four levels: 0, 5, 10, and 15 tons per hectare. The second factor was rice variety, consisting of three levels: Inpari 32, Caredek, and Rotan. It resulted in 12 treatment combinations, each with three replications, for a total of 36 experimental units. Data were analyzed using ANOVA at the 5% significance level. Treatments showing significant differences were further analyzed using Duncan's New Multiple Range Test (DNMRT) at the 5% level. The results showed that the Caredek variety had the highest values for total tiller number, productive tiller number, and 1000-grain weight. The Inpari variety performed best in plant height, number of grains per panicle, and harvest age. However, dolomite application had no significant effect on any of the observed parameters. The study concluded that the Caredek variety is more adaptable to peat soils than the local Rotan variety.

Page 18 of 22 | Total Record : 213

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