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INDONESIA
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 156 Documents
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Increased Growth and Yield of Peanuts (Arachis Hypogaea L.) with Tillage and Liquid Organic Fertilizer Fish Waste. Ardian Ardian; Sri Yoseva; Aan Pasbama Sinaga Naibaho; Angga Pramana
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol 5 No 2 (2023): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 5 No. 2 Juli 2023
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v5i2.3075

Abstract

Peanut (Arachis hypogaea L.) is an important food commodity in Indonesia. The low production of peanuts in Riau Province has not been able to meet the people's need for peanuts. According to the Riau Province Food Crops Service (2022) the need for peanuts in Riau Province in 2019 is 8,516 tons, in 2020 the need for peanuts is 7,390 tons, and in 2021 the need for peanuts is 6,474 tons. This study aims to determine the effect and interaction between tillage and the application of fish waste liquid organic fertilizer (POC) and the single factor of both the growth and production of peanut plants and to get the best combination. The research was conducted using a split-plot design. The first factor as the main plot is tillage consisting of three levels, namely without tillage, minimum tillage, and maximum tillage. The second factor as a subplot was POC concentration consisting of four levels, without POC fish waste, 25% POC fish waste (250 ml POC + 750 ml water), 50% POC fish waste (500 ml POC + 500 ml water), and 50 % POC waste fish 75% (POC 750 ml + water 250 ml). Parameters observed included plant height, number of primary branches, flowering age, harvest age, number of pods, number of filled pods, seed production per plant, and weight of 100 seeds. The data obtained were analyzed statistically using analysis of variance and continued with Duncan's multiple range test at the 5% level using the SAS application. The results showed that the interaction of tillage and POC fish waste affected increasing plant height, number of primary branches, number of pods, number of filled pods, seed production per plant, and weight of 100 seeds.
Relationship between Seed Properties and Outcome Components for Selection Criteria of Corn (Zea Mays L.) Products at Various Dosages of Popostium Fertilizer Vera Magdaleni Manullang; Aslim Rasyad; Dewi Indriyani Roslim
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol 5 No 2 (2023): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 5 No. 2 Juli 2023
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v5i2.3095

Abstract

This research was conducted to determine the relationship between seed developmental characteristics and yield components in a population of maize (Zea mays L.) grown at different potassium fertilizer rates. The information could be utilized as alternative selection criteria for maize genotypes with high-yielding potential. This research was conducted at the Experimental field of the Horticulture Seed Agency, Pekanbaru. Seven maize genotypes with four potassium fertilizer rates were grown in a 350 cm x 200 cm experimental plot with three replications. The genotypes used were Bisi 228. Pertiwi 3. Bisi 2. Decoral, Bisi 18. Betras 4. and Srikandi. Potassium fertilizer rates included 30 kg, 50 kg, 70 kg, and 90 kg per ha, respectively. Traits observed were plant height, tesseling flowering date, silking date, seed dry accumulation rate, effective seed filling period, cob length, cob weight, number of seed rows, number of seeds per cob, seed weight per cob, the weight of 100 seeds and seed yield per m2. Analysis of variance was performed to the data using SAS and further tested by honesty significant difference at 5% level. Variance component, heritability, genetic correlation coefficient, and selection response were calculated for all characters and effective seed filling duration. The results indicated that the genetic variance component was significant for all characters except for the dry matter accumulation rate. All characters' heritability values were quite high except for effective seed-filling duration and the number of seeds per cob. Phenotypic correlation coefficients were positively significant between seed yield per m2 and plant height, seed development rate, cob length, ear weight, number of seeds per ear, seed weight per ear, and weight of 100 seeds. The genetic correlations was significant between seed yield per m2 and plant height, seed development rate, number of seeds per ear, and seed weight per ear. All characters' direct selection response value is higher than the indirect selection response value.
The Effect of Frequencies Spraying of Forest Betel Leaf Extracts on Snails In Moringa Plants Michael Daru Enggar Wiratmoko; Rusli Rustam; Hafiz Fauzana
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol 5 No 2 (2023): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 5 No. 2 Juli 2023
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v5i2.3129

Abstract

Moringa is a superior plant that has been widely developed in Indonesia. One of the obstacles found in the moringa nursery is the attack of snail pests (Achatina fulica Fer.). Pest control which is currently mostly carried out using synthetic chemical pesticides can have a negative impact on the environment. Therefore, an alternative pest control is needed, namely using vegetable pesticides from forest betel nut (Piper aduncum Linn.). This study aims to obtain the effective concentration of betel nut extract in controlling snails. The research was conducted at the Experimental Garden Technical Implementation Unit, Faculty of Agriculture, University of Riau. The research was conducted in January 2023 - May 2023. Testing the frequency of spraying forest betel leaf extract against snail pests, used a completely randomized design (CRD) with 4 treatments and 4 replications to obtain 16 experimental units. The treatment was without spraying forest betel extract, spraying intervals of forest betel extract 1 × 1 week, 1 × 2 weeks and 1 × 3 weeks. Based on the observations, spraying forest betel leaf extract once a week is the best frequency because it can cause 100% mortality with an initial death time of 18.75 hours after application, Lethal Time 50 191.25 hours after application, and an attack intensity of 4.35%.
Growth Improvement Corn Plant (Zea mays L.) F1 Local Variety of North Sumatera which has under Light Irradiation Gamma using NPK Mutiara Fertilizer Aprilliansyah, M. Chelvin; Mustamu, Novilda Elizabeth; Saragih, Siti Hartati Yusida; Sitanggang, Kamsia Dorliana
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 1 (2025): Vol. 7 No. 1 (2025): Vol. 7 No. 1 (2025): Jurnal Agronomi Tanaman Tropika (JUAT
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i1.4232

Abstract

Corn (Zea mays L.) is a vital food ingredient that plays a significant role in food security in Indonesia, particularly in North Sumatra, and it has considerable potential for developing local corn varieties. This study aims to evaluate the effect of NPK Mutiara fertilizer on the growth of gamma-irradiated local corn (Zea mays L.) plants from North Sumatra. The research was conducted in Perbaungan Village, Bilah Hulu District, Labuhanbatu Regency, North Sumatra Province, from December to February. A completely randomized design (CRD) was employed, featuring one factor and five fertilizer dose treatments: control, 3 g/polybag, 6 g/polybag, 9 g/polybag, and 12 g/polybag, with four replications. The parameters observed included plant height, number of leaves, and stem diameter at 2, 4, 6, and 8 weeks after planting (WAP). The results showed that the application of NPK Mutiara fertilizer significantly affected plant height and the number of leaves at all ages of the plants. The treatment with the highest dose, 12 gr/polybag, produced the best results, with plant height reaching 160.70 cm at 8 WAP, leaves reaching 11.50 leaves, and stem diameter reaching 2.24 cm. NPK Mutiara fertilizer improved the growth of gamma-irradiated corn plants, with higher doses resulting in optimal growth. However, it is essential to apply the correct dosage to avoid harming the plants. This study recommends fertilization with the appropriate dose to optimize corn plant growth in North Sumatra.
Optimizing The Growth of Corn Plant (Zea mays L) Local Variety of North Sumatera, which has been Irradiated with Gamma-Rays M1 with Urea Fertilizer Application Musthofa, Nurul; Mustamu, Novilda Elizabeth; Sitanggang, Kamsia Dorliana; Triyanto, Yudi
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 1 (2025): Vol. 7 No. 1 (2025): Vol. 7 No. 1 (2025): Jurnal Agronomi Tanaman Tropika (JUAT
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i1.4233

Abstract

Corn (Zea mays L.) is the second most important food crop after rice and is a cereal crop that grows in various regions worldwide. Local varieties of corn in North Sumatra require high nutrient levels for optimal cultivation, particularly nitrogen (N), which is commonly supplied through urea fertilizer. The high demand for nitrogen in urea often leads farmers to apply it in inappropriate doses, resulting in several agronomic issues. This study aims to evaluate the growth of local varieties of corn in North Sumatra in response to different doses of urea fertilizer. The research was conducted in the experimental field in Perbaungan Village, Hulu Bilah District, Labuhanbatu Regency, North Sumatra, from December 2024 to February 2025. A Non-Factorial Completely Randomized Design (CRD) was employed, consisting of five treatment levels, each repeated four times. The urea fertilizer doses applied were as follows: control (no treatment), 2 g/polybag, 4 g/polybag, 6 g/polybag, and 8 g/polybag. The results indicate that varying doses of urea fertilizer significantly influence the growth of local North Sumatra corn plants, particularly in plant height and stem diameter. The optimal dose of urea fertilizer for promoting the development of these corn plants is determined to be 4 g/polybag.
The Relationship of Soil Types to the Dynamics of Groundwater Availability for Rice (Oryza sativa L.) and Corn (Zea mays L.) Plants in Pohuwato Regency Situmeang, Dody Boy Venalocha; Rahim, Sukirman; Dunggio, Iswan
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4430

Abstract

The model for estimating groundwater availability for plants often overlooks the type of soil and the capacity of plants to absorb water from it. This study employs laboratory soil tests and statistical analyses to examine the relationship between various soil types in Pohuwato Regency and the variations in Groundwater Availability (KAT) levels for rice and corn plants. The results indicate that Andosol and Litosol are the soil types with the highest Field Capacity values in Pohuwato Regency, ranging from 331 mm to 403 mm. Meanwhile, Alluvial and Regosol soil types exhibit the lowest Permanent Wilting Point values in the Pohuwato Regency, ranging from 23 mm to 53 mm. The study results revealed a very high average correlation value of 0.907 between Field Capacity and the Permanent Wilting Point concerning the Groundwater Availability model. The research data, which includes soil characteristics and the Groundwater Availability model for rice and corn cultivation in Pohuwato Regency, can serve as a foundation for strategies that farmers can employ to enhance their future agricultural productivity.
Comparing the Utilization of Cocopeat and Topsoil Planting Media with Cow Manure Fertilizer on Chili Peppers' (Capsicum frutescens) Growth Agung Arya, Dimas; Walida, Hilwa; Dalimunthe, Badrul Ainy; Sepriani, Yusmaidar
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4607

Abstract

Chili pepper (Capsicum frutescens) is one of the important horticultural commodities in Indonesia, widely cultivated due to its spicy flavor and high economic value. This study aims to compare the effectiveness of various planting media and fertilizers in promoting the environmentally friendly growth of chili pepper plants. The study employed a Factorial Randomized Block Design (RAK) with treatments including: Control (without cow manure), 2 kg of cocopeat and 1 ounce of cow manure, 2 kg of cocopeat and 1.5 ounces of cow manure, 2 kg of cocopeat and 2 ounces of cow manure, 2 kg of soil and 1 ounce of cow manure, 2 kg of soil and 1.5 ounces of cow manure, and 2 kg of soil and 2 ounces of cow manure. Data analysis was conducted using ANOVA and BNT post-hoc tests. The results showed that the planting media did not significantly affect plant height or the number of leaves, though variations in values were observed across treatments. In cocopeat media, the treatment of 2 kg of cocopeat and 1.5 ounces of cow manure resulted in the highest plant height at week 4, measuring 30.03 cm, followed by 2 kg of cocopeat and 1 ounce of cow manure (29.23 cm), 2 kg of cocopeat and 2 ounces of cow manure (29.20 cm), and the control treatment (28.46 cm). The highest number of leaves was also found in the 2 kg of cocopeat and 1.5 ounces of cow manure treatment, with 16.66 leaves, although in the second week, the control treatment recorded only 6.33 leaves. In soil media, the 2 kg of soil and 2 ounces of cow manure treatment produced 17.66 leaves, with variations in the second week noted between the cow manure treatments and the control group.
Differences in Soil Nutrient Levels in Oil Palm Plantations (Elaeis guineensis Jacq.) Planting Age 6 and 8 Years : - Oksana; Riska Dian Oktari; Arya Wirandanu
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4677

Abstract

Oil palm plantations in Riau Province were commonly found on suboptimal lands, such as Inceptisol soils, which exhibited inherently poor soil chemical fertility. This research aimed to determine the chemical properties of Inceptisol soil in 6- and 8-year-old oil palm plantations. This research was conducted from July to December 2024 at the Oil Palm Plantation, Sub-District Perhentian Raja, Kampar District, Riau. The analysis of soil chemical properties was carried out at the Instrumental Chemistry Laboratory, Faculty of Mathematics and Natural Sciences, Padang State University. This research employed a quantitative descriptive method, where data collection was conducted through direct observation and subsequently analyzed in the laboratory. A purposive sampling technique was employed to collect soil samples, where each block was divided into four sampling plots. Within each plot, soil samples were collected and composited from five sub-samples, yielding a total of eight Inceptisol soil samples for subsequent analysis. The following soil parameters were analyzed: pH (H2O), OC, total N, P, K, Ca, Mg, SO4, and CEC. The chemical properties of the Inceptisol at the research sites were characterized by: a pH range of very acidic to acidic, sufficient levels of OC, and total-N, very low levels of total (P and K), excessive of total-Ca, deficient of total-Mg, very low levels of SO4, and moderate to high levels of CEC; there were significant mean differences in soil N, SO4, and CEC, whereas soil pH, OC, P, K, Ca, and Mg levels were not influenced by oil palm age.
Increasing the Growth and Yield of Java Sprouts Eggplant (Solanum melongena Var. Gelatik) by Administering Different Planting Media Compositions and Rabbit Urine LOF Dosages Rifdah Nur Safitri; Didik Utomo Pribadi; Pangesti Nugrahani
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.v7i3.4599

Abstract

Gelatik eggplant (Solanum melongena var. Gelatik), commonly referred to as Lalap eggplant, is a variety that can be processed into a vegetable. However, its production has declined due to the inaccurate selection of planting media compositions and the inadequate application of fertilizers. Therefore, optimizing the planting media composition and applying an appropriate dosage of rabbit urine LOF are expected to improve the growth and yield of Gelatik eggplant. The purpose of this study was (1) to examine the interaction between planting media composition and rabbit urine LOF dosage, (2) to assess the effect of planting media composition, and (3) to evaluate the effect of rabbit urine LOF dosage. The experiment was conducted in Tuban, East Java, using a Randomized Block Design (RBD) with two factors. The first factor was planting media composition, consisting of four levels: (a) soil (control), (b) soil: rice husk charcoal: manure (2:1:1), (c) soil: rice husk charcoal: manure (1:2:1), and (d) soil: rice husk charcoal: manure (1:1:2). The second factor was rabbit urine LOF dosage, also with four levels: (a) NPK (control), (b) 300 ml/plant, (c) 400 ml/plant, and (d) 500 ml/plant. The results showed that the combination of soil, rice husk charcoal, and manure (1:1:2) and 300 ml/plant of rabbit urine LOF produced a significant interaction effect on the number of fruits per plant per harvest period. Furthermore, the composition of the planting media alone (soil: rice husk charcoal: manure, 1:1:2) significantly affected plant height, leaf number, fruit weight per fruit, fruit weight per plant, and total fruit weight per plant. Similarly, rabbit urine LOF dosage alone (300 ml/plant) significantly influenced plant height, number of leaves, fruit weight per fruit, fruit weight per plant, and total fruit weight per plant.
Response of Glutinous Corn (Zea mays var. Ceratina Kulesh) to Organic Fertilizer Application on Acidic Dry Land Lusia, Maria; Paridawati, Ika; Marlina, Neni; Syahrir, Novrizal; Susiana; Nurrohma; Nunihlawati, Haperidah
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).

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