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INDONESIA
Jurnal Agrotropika
Published by Universitas Lampung
ISSN : 02167662     EISSN : 27457737     DOI : 10.23960
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Scientific article dealing with broad aspects of tropical agronomy including crop production, horticulture, plant pests and diseases, post-harvest, sustainable agriculture, soil science, climatology, ecology, biodiversity, and ethno-agronomy.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 261 Documents
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PENGARUH APLIKASI PUPUK ORGANIK CAIR (POC) KOTORAN KAMBING DAN SAPI TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq.) DI PEMBIBITAN UTAMA Usodri, Kresna Shifa; Utoyo, Bambang; Riniarti, Dewi; Widiyani, Dimas Prakoswo; Sari, Resti Puspa Kartika; Guna, M. Mulya Adi
JURNAL AGROTROPIKA Vol. 24 No. 2 (2025): Jurnal Agrotropika Vol 24 No 2, Oktober 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i2.11499

Abstract

This study investigates the efficacy of liquid organic fertilizers (POC) derived from goat and cow manure as environmentally friendly alternatives for enhancing oil palm seedling growth. Conducted at the Oil Palm Nursery Unit of Politeknik Negeri Lampung (January–June 2024), the experiment employed a factorial randomized block design. Two factors were tested: POC from goat manure (0, 100, and 200 ml per seedling) and POC from cow manure (same levels). Growth parameters observed included seedling height, stem diameter, leaf count, leaf chlorophyll content, and leaflet area. Data were analyzed using ANOVA at a 5% significance level, followed by Least Significant Difference tests for mean comparison where applicable. Results show that goat manure POC at 200 ml per seedling significantly improved seedling height, leaf count, and chlorophyll content, while cow manure POC at the same dose enhanced height, stem diameter, and leaf number most effectively. No significant interaction effect between goat and cow manure treatments on any growth parameter was observed. These findings suggest that both goat and cow manure-derived liquid organic fertilizers, applied at 200 ml per seedling biweekly, can optimally support early growth of oil palm seedlings. However, their combined application did not yield synergistic benefits. The use of these organic fertilizers offers a sustainable alternative to conventional synthetic fertilizers and may contribute to improved nursery management practices in oil palm cultivation.
KERAGAMAN KARAKTER KUANTITATIF PADA TIGA GALUR HARAPAN MENTIMUN (Cucumis sativus L.) DI DATARAN MENENGAH Mardiana, Yushi; Ervan Parayan
JURNAL AGROTROPIKA Vol. 24 No. 2 (2025): Jurnal Agrotropika Vol 24 No 2, Oktober 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i2.11647

Abstract

Breeding lines in crop improvement represent selected genotypes with potential to be developed into superior cultivars. This study aimed to evaluate the genetic variability, adaptability, and yield stability of promising cucumber lines under mid-altitude conditions. The experiment was conducted from December 2024 to February 2025 at the PT. Aditya Sentana Agro experimental farm, Girimoyo Village, Malang, East Java, at an altitude of 525 m above sea level. A randomized complete block design (RCBD) was applied with three cucumber breeding lines and four commercial check varieties, namely New Oris F1, Renata F1, Madavi F1, and Zatavy F1. Each treatment was replicated four times with six plants per plot. Data were analyzed using ANOVA, followed by Duncan’s Multiple Range Test (DMRT) at the 5% significance level when significant differences were detected. The results revealed significant variation in several traits, including days to flowering, fruit length, fruit weight per plant, and yield, while no significant variation was observed in harvesting time, fruit diameter, fruit weight per fruit, and number of fruits per plant. The earliest flowering was observed in Line C (26.25 DAS), although it was later than the check variety Madavi (25.26 DAS). The longest fruit length was obtained from Line A (23.05 cm), surpassing both other lines and check varieties. Line A also produced the highest fruit weight per plant (1354.42 g), yet it remained lower than Zatavy (1421.92 g). Similarly, the highest yield was recorded in Line A (31.31 t ha⁻¹), although still below Zatavy (32.87 t ha⁻¹).  
PENGARUH APLIKASI IBA (indole -3- butyric acid) TERHADAP PENGAKARAN SETEK DUA BUKU VANILI (Vanilla planifolia Andrews) Sugiyanti, Sugiyanti; Yusnita, Yusnita; Hapsoro, Dwi; Karyanto, Agus; Evizal, Rusdi
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.9146

Abstract

Vanilla (Vanilla planifolia Andrews) is a high economic value plant within the Orchidaceae family (orchid family). Efforts to increase vanilla growth and production can be made through the application of auxins to stimulate root formation. The development of vanilla requires high-quality seedlings, as one of the indicators of successful propagation through cuttings is the formation of roots and the growth of shoots. The purpose of this research is to study the effect of various concentrations of IBA on the rooting of two-node vanilla cuttings. This study uses a completely randomized design (CRD) with 6 treatments, each repeated 3 times. The treatments in this experiment consist of: control (without IBA), 500 ppm IBA, 1000 ppm IBA, 1500 ppm IBA, 2000 ppm IBA, and 2500 ppm IBA. The observed variables include shoot length, number of opened leaves, number of primary roots, number of root tips, longest root length, fresh root weight, and dry root weight. The results showed that a concentration of 2000 ppm IBA was able to increase the number of primary roots, number of root tips, longest root length, fresh root weight, and dry root weight.
RESPONS PERTUMBUHAN DAN PRODUKSI CABAI MERAH (Capsicum annuum L.) VARIETAS AKAR DAN LOTANBAR TERHADAP DOSIS PUPUK NPK Sanda, Galang Fairroman; Ginting, Yohannes Cahya; Pujisiswanto, Hidayat; Sa’diyah, Nyimas; Jannah, Husna Fii Karisma; Ramires, Ryano; Adhinugraha, Qudus Sabha; Yosilia, Rani
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.9995

Abstract

Red chili (Capsicum annum L.) is one of important horticultural crop and a leading commodity among 18 types of commercial vegetables cultivated in Indonesia. Red chili productivity is influenced by soil fertility, while chili plants in Lampung are generally planted on ultisol soil. Ultisol soil is a type of soil that is poor in the nutrients N, P, and K, and has soil acidity problems. One form of effort to improve ultisol soil is by applying fertilizer. This research aims to determine the response of growth and production of Akar and Lotanbar varieties of red chilies to the dose of NPK fertilizer applied, so that we can find out the dose of NPK fertilizer that can increase the growth and production of red chili plants. This research used a Randomized Block Design which was prepared factorial 2 x 4 with 3 repetitions. The data obtained were tested for homogeneity of variance using the Barlett test and the additivity of the data was tested using the Tukey test. If these two results meet the assumptions, the data is analyzed using analysis of variance, separating the middle value and then testing the middle value using the 5% BNT test. The research results show that the NPK fertilizer dose of 30 g/plant is the best dose that can increase the growth and production of red chili plants varieties Lotanbar and Akar, in general the response of chili plants to doses of NPK fertilizer is not influenced by plant variety or vice versa.Keywords : Red chili, ultisol, fertilizer, NPK, dose
RESPON PERTUMBUHAN DAN HASIL TANAMAN SAWI HIJAU (Brasicca juncea L.) TERHADAP PEMBERIAN ECO ENZYME DAUN SIRIH HIJAU (Piper battle L.) DENGAN BERBAGAI DOSIS Ulisan, Pasih; Kartika, Kartika; Kusmiadi, Riswan
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.10190

Abstract

Eco enzyme is a liquid organic fertilizer that is environmentally friendly and can be used as an alternative in the use of fertilizers to help the growth and yield of green mustard. Eco enzyme can increase the content of nutrients in the soil and help the process of breaking down nutrients so that they can be absorbed by plants. The use of eco enzyme alone is not enough to meet the needs of nutrients in mustard plants, so the addition of nutrients using NPK is needed. This study aims to determine the effect of green betel leaf eco enzyme with various doses on the growth and yield of green mustard. This research was conducted from May to July 2023 at the Research and Experimental Garden of the Faculty of Agriculture, Fisheries and Marine Affairs, University of Bangka Belitung. This study used a non-factorial group randomized design with 9 levels of treatment testing, namely: E0 (-) = Control (Without eco enzyme and NPK fertilizer), E0 (+) Control (NPK fertilizer), E1 = 2 ml/L eco enzime + NPK, E2 = 4 ml/L eco enzime + NPK, E3 = 6 ml/L eco enzime + NPK, E4 = 8 ml/L eco enzime + NPK, E5 = 10 ml/L eco enzime + NPK, and E6 = 12 ml/L eco enzime + NPK, E7 = 14 ml/L eco enzime + NPK. Each experimental unit was repeated as many as 4 replicates so that there were 36 experimental units. Data were analyzed using ANOVA followed by Duncan Multiple Test (DMRT) to determine differences in each treatment at a significant level of 5% and 1%. The provision of eco enzyme gave a significant effect on the parameters of plant height, leaf width, leaf length and had no effect on the parameters of the number of leaves, fresh weight of plants, and root length. There is no dose that gives the best results, but the E4 treatment on average gives the best results on the growth and yield of green mustard.
PERTUMBUHAN DAN HASIL TANAMAN JAGUNG MANIS (Zea mays L. Saccarata Sturt) VARIETAS EXOTIC PADA BERBAGAI METODE OLAH TANAH KONSERVASI Harthane, Gusti Ketut; Dulbari, Dulbari; Yuriansyah, Yuriansyah; Sudrajat, Denny
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.11377

Abstract

This study aimed to evaluate the effects of various conservation tillage methods on the growth and yield of sweet corn (Zea mays saccharata Sturt) of the Exotic variety. The research was conducted at the experimental field of the State Polytechnic of Lampung from September to December 2023, using a Randomized Complete Block Design (RCBD) with nine treatment combinations of chemical fertilizer, organic fertilizer, mulch, and tillage, each replicated three times. The observed parameters included plant height, number of leaves, leaf greenness, cob length and diameter, and cob weight. Statistical analysis showed that all treatments had no significant effect on the observed parameters (p > 0.05). However, descriptively, mulch-based treatments and combinations with chemical fertilizers showed positive trends in growth and yield. Treatment P7 (mulch) resulted in the highest plant height and cob weight, while P1 (chemical fertilizer + tillage) tended to produce the largest cob diameter and highest number of leaves. The use of mulch from edamame residue was proven to help retain soil moisture and improve nutrient uptake efficiency. These findings indicate that conservation tillage systems utilizing mulch and crop rotation can be a sustainable cultivation strategy to enhance sweet corn productivity.
PENGARUH FORMULASI DAN VOLUME MEDIA UNTUK SEMAI BIJI TERHADAP PERTUMBUHAN DAN HASIL BAWANG MERAH Ainur Rahmawati; Wahyudiningsih, Tri Suwarni; Dianawati, Meksy
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.11545

Abstract

Shallot seeds have a low germination rate; formulation modification is expected to increase germination and yield. This study aims to analyze the effect of seed formulation and media volume on shallot growth and yield. The research method used a factorial design (5 x 3) arranged in a completely randomized block design (RAKL). The first factor was media formulation (1:0:0, 1:1:1, 2:1:1, 1:2:1, 1:1:2). The second factor was media volume (25 cc, 40 cc, 50 cc). Data were analyzed using analysis of variance and further LSD and DMRT tests. A balanced medium in a limited space allows roots to thrive because nutrients and water are available. increasing media volume is useful in unbalanced media formulations. This is because roots are encouraged to grow long, exploring for additional water and nutrients. M3 (2:1:1) had the highest seedling characteristics but the lowest seedling germination percentage, while M5 (1:1:2) had the shortest seedling characteristics but a high seedling germination percentage and bulb diameter. A seedling media volume of 55 cc increased almost all shallot growth and yield parameters. Nursery parameters had a low correlation with plant growth and yield parameters, so the formulation treatment and media volume in the nursery did not directly affect plant growth and yield.
PENGARUH PEMBERIAN PUPUK ORGANIK CAIR ECENG GONDOK DAN LIMBAH KULIT PISANG TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SELADA MERAH (Lactuca sativa var. Lollo rosa) PADA SISTEM HIDROPONIK NFT Shidiq, Ahmad; Yusnita, Yusnita; Pangaribuan, Darwin H.; Widyastuti, R. A. Diana Widyastuti
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.11708

Abstract

Red lettuce can be planted hydroponically with the need of nutrient organic. This study aimed to examine the effect of substituting 25% of AB Mix nutrients with liquid organic fertilizer (LOF) made from water hyacinth or banana peels on the growth and yield of red lettuce cultivated using the NFT hydroponic system. The experiment was arranged in a Completely Randomized Design (CRD) with three treatments (100% AB Mix, 75% AB Mix + 25% water hyacinth LOF, and 75% AB Mix + 25% banana peels LOF) and six replications, each consisting of six plants. Growth parameters (plant height, number of leaves, leaf length, and leaf width) were observed weekly from 3 to 6 weeks after transplanting (WAT), while fresh and dry weights of shoots, leaves, and stems were measured at harvest (6 WAT). The obtained data were tested for homogeneity of variance using Bartlett's test, followed by analysis of variance and Least Significant Difference (LSD) test at 5% significance level when assumptions were fulfilled. The results showed that 75% AB Mix + 25% water hyacinth LOF were not significantly different from 100% AB Mix in terms of leaf number, stem fresh weight, as well as shoot, leaf, and stem dry weights, with shoot fresh weight reaching 92% and leaf fresh weight reaching 93% compared to 100% AB Mix. The treatment of 75% AB Mix + 25% banana peels LOF was able to match the growth and yield of the 100% AB Mix treatment.
SELEKSI INDIVIDU PADA POPULASI KACANG BOGOR (Vigna subterranea L. Verdc.) ASAL SUKABUMI DAN SUMEDANG DI LAHAN ULTISOL JAMBI Manurung, Jeremia; Nusifera, Sosiawan; Buhaira; Theodora; Rif'atunidaudina, Ria
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.11787

Abstract

Bogor bean (Vigna subterranea (L.) Verdc.) are plants that have many advantages. Bogor beans are easy to cultivate because they are tolerant to water and nutrient limitations. Bogor beans have good nutritional content, namely high carbohydrate and protein and relatively low fat, so they can be used as an alternative food source. In addition, Bogor beans can also be used as an alternative crop for dry land cultivation. This study aims to select superior individuals from the Bogor bean populations originating from Sukabumi and Sumedang and to determine the closeness of the relationship between two variables in the Bogor bean populations originating from Sukabumi and Sumedang. This study used an experimental method without a specific environmental design and was designed by dividing the planting plots into two large plots differentiated by population origin. The characteristics observed included the number of leaves, canopy width, plant height, fresh pod weight, dry pod weight, number of pods per plant, number of filled pods, number of empty pods, fresh pod weight, pod length and width, seed length and width, and weight of 100 seeds. This study was conducted at the Teaching and Research Farm of the Faculty of Agriculture, University of Jambi, Unja Mendalo Campus, Jambi Luar Kota District, Muaro Jambi Regency from September 2024 to March 2025. The data obtained were analyzed using the coefficient of variation, mean value, t-test, differential selection, and correlation. The results show that of the 10 superior individuals selected from the original population in Sukabumi, they include A1, A2, A11, A31, A37, A46, A52, A57, A81, A82, while in the Sumedang population they included B6, B21, B35, B39, B44, B55, B56, B64, B68, B77. The Sukabumi population, when compared to the Sumedang population, has superior characteristics based on the variables of fresh pod weight, dry pod weight, number of pods per plant, and number of mature pods. Meanwhile, the Sumedang population, when compared to the Sukabumi population, has superior characteristics based on the variables of fresh pod weight, pod length, seed length, and weight of 100 seeds.
DINAMIKA KOMUNITAS DAN INTERAKSI TROFIK SERANGGA PREDATOR PADA AGROEKOSISTEM PADI SAWAH DI PIDIE, ACEH: FONDASI PENGELOLAAN HAMA TERPADU BERKELANJUTAN Amar, Aidil; Fridayati, Diah; Dhean, Tengku; Mariana, Mariana
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.12715

Abstract

Rice paddy agroecosystems serve as habitat for diverse predatory insect communities that play a critical role in natural pest regulation. This study aimed to analyze the community structure and trophic interaction patterns of predatory insects in the irrigated rice agroecosystem of Gampong Gintong, Grong-Grong District, Pidie Regency, Aceh. Sampling was conducted during three rice growth phases (35, 45, and 55 days after transplanting/DAT) using pitfall traps, yellow pan traps, and sweep nets in five 20×20 m observation plots. A total of 1,468 individual predatory insects were collected, representing 30 families and 7 orders. Formicidae dominated the assemblage at 79.77% of total individuals with stable abundance throughout the growing season. The Shannon-Wiener diversity index (H') ranged from 0.7624 to 0.9275, indicating low to moderate diversity with no significant differences among phases (p = 0.075). In contrast, Simpson's dominance index (C) and Pielou's evenness index (E) differed significantly among growth phases (p < 0.01), reflecting progressive Formicidae dominance associated with canopy development. Sørensen similarity indices (Cs = 0.5882–0.7222) confirmed high stability of the core predator assemblage across all phase comparisons. Trophic network reconstruction identified ten key predator families operating across three distinct vertical zones with complementary diurnal-nocturnal activity patterns. These findings highlight the importance of vegetated refugia conservation at field bunds and reduction of broad-spectrum insecticide use as a foundation for sustainable integrated pest management (IPM).

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