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Rusdi Evizal
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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 252 Documents
 17   18   19   20   21 
Pengaruh Modifikasi Media Tanam Hidroton dan Zat Pengatur Tumbuh terhadap Produktivitas Tanaman Pakcoy (Brassica rapa L.) Secara Hidroponik Sistem Wick Nabila, Nila Anjali; Purbajanti, Endang Dwi; Budiyanto, Susilo
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8091

Abstract

The quality of pakcoy plants in hydroponic cultivation is influenced by the planting medium and the growth regulators given to the leaves of pakcoy plants to get good plant results. The aim of the research was to examine the effect of modifying hydroton planting media by providing plant growth substances concentrations on plant growth and production. This research uses 3 x 4 Factorial Complately Random Design with 3 replications. The first factor for modification of hydroton planting media includes hydroton (M0), hydroton+cocopeat (M1), hydroton+charcoal husk (M2), the second factor PGR concentration includes o ml/liter (H0), 2 ml/liter (H1), 4 ml /liter (H2), 6ml/liter (H3). Data were analyzed using Range Analysis and tested further using DMRT (Duncan Multiple Range Test) at the 5% level. The research results showed that there was an interaction effect between modified hydroton planting media and PGR concentration on leaf width and leaf area parameters. The hydroton planting media modification treatment had a significant effect on all parameters except root length.  Keywords : cocopeat, hidroton, modification, pakcoy
Populasi dan Biomassa Cacing Tanah Akibat Aplikasi Biochar dan Kotoran Ayam di Tanah Ultisol pada Pertanaman Jagung (Zea mays L.) Musim Tanam Ke-3 Arjuana, Danang; Arif, M.A. Syamsul; Prasetyo, Dedy; Dermiyati, Dermiyati; Septiana, Liska Mutiara; Lumbanraja, Jamalam
JURNAL AGROTROPIKA Vol. 23 No. 2 (2024): Jurnal Agrotropika Vol 23 No 2, Oktober 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i2.8140

Abstract

Ultisols have problems with soil organic matter and low nutrients, that making soil fertility low. Population and earthworm biomass is one indicator of the fertility level of a soil. Efforts to increase soil fertility can be done by giving biochar and chicken manure. This study aims to study the effect of biochar and chicken manure application on earthworm population and biomass and study the correlation between earthworm population and biomass with soil properties. This research uses a non-factorial Group Randomized Design (RAK) with 4 groups and 4 treatments, namely, B0 = control, B1 = biochar 5 tons ha-1, B2 = chicken manure 5 tons ha-1, and B3 = biochar 5 tons ha-1 + chicken manure 5 tons ha-1. The data was analyzed for variance, followed by a 5% BNT test, as well as a correlation test between earthworm population and biomass with supporting variables. The results showed that the application of biochar and chicken manure had no effect on earthworm population and biomass at the entire time of observation. There is a negative correlation between soil water content with earthworm populations and soil temperature with earthworm biomass. There is a positive correlation between soil pH with earthworm populations and biomass, but there is no correlation between earthworm populations and biomass with corn crop production components. Two families of earthworms found in the research area are Megascolecidae and Glossoscolecidae. Key words: Glossoscolecidae, Megascolecidae, soil ameliorant, Ultisol
Peningkatan Kualitas dan Kuantitas Hasil Tanaman Kacang Merah Menggunakan POC Darah Sapi Serta Pupuk Anorganik Sumber Nitrogen dan Sulfur Maulana, Berlian Hafidzah; Astiningrum, Murti; Anindyawati, Nurul
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8162

Abstract

This research was conducted to determine the effect of giving doses of liquid organic fertilizer cow's blood and inorganic fertilizers of the NPK Phonska and ZA on the quality and quantity of red bean plants (Phaseolus vulgaris L.). The research was carried out in August - October 2022 at the Kledung Research Park, Tidar University. The research method used a factorial experiment (4 x 2) with a complete group randomized design. The first factor is doses of cow blood liquid organic fertilizer consisting of 4 level: 0, 100, 200, 300 ml/plot 3,5 m2). The second factor was the addition of inorganic fertilizers with doses of NPK Phonska and ZA. The results of the analysis of this study showed that the application of liquid organic fertilizer cow blood at a dose of 160 - 240 ml/plot 3,5 m2 on red bean plants obtained the highest results on the number of pods planted, the weight of the pods planted, the number of seeds planted and the weight of seeds m2. The application of liquid organic fertilizer cow blood up to 300 ml/plot was able to increase yields on the wight of the seeds planted and the weight of Plant 100 seeds. The application of inorganic fertilizers of the NPK Phonska type gave higher results in  number of pods per plant, weight of pods per plant, number of seeds per plant, weight of seeds/ m2 and weight of 100 seeds content compared with using ZA fertilizer. There was no interaction in the combined treatment of liquid organic cow blood fertilizer with inorganic fertilizers on all parameters. Keywords: Red bean, Cow blood liquid organic fertilizer, NPK Phonska, ZA
Respons Tiga Varietas Tomat (Lycopersicum esculentum Mill) Akibat Pemberian Volume Air Mukarromah, Wahdaniatul; Santoso, Juli; Moeljani, Ida Retno
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8198

Abstract

Drought is one of the factors in tomato (Lycopersicum esculentu Mill.) crop failure which is often found in Indonesia. Planting drought-resistant varieties is a solution to increase the productivity of tomato to meet market demand. The research was carried out in the Kumendung Hamlet Plastic House, Ngembung Village, Cerme District, Gresik Regency at an altitude of 4 meters above sea level with an average temperature of around 25º - 34º C. This research was conducted using a factorial of Completely Randomized Design (CRD). The first factor is application water volume with 3 levels, namely: C0 = water content 100% field capacity (control); C1 = water content 75% field capacity; C2 = water content 50% field capacity. The second factor is tomato varieties with 3 levels, namely: V1 = Servo Variety; V2 = Tymoti variety; V3 = Tantyna variety. The research data were analyzed using Analysis of Variance (ANOVA), then the Least Significant Difference (LSD) test was carried out at a test level of 5%. The results showed that it was no interaction between the application of water volume and the tomato varieties. Applying water 828,75 ml or 75% of field capacity and using the Tymoti tomato variety gave the best results in terms of number of leaves, number of flowers, number of fruit, and fruit weight per plant. The Tymoti tomato variety gave the shortest flowering period. Key Words: Drought, tomatoes, varieties, watering
Pertumbuhan dan Produksi Tanaman Sawi Pakcoy (Brassica rapa L.) yang Dibudidayakan pada Berbagai Komposisi Media Tanam dan Konsentrasi Pupuk Organik Cair dengan Sistem Vertikultur Efendy, Yessy Pristika; Suhardjono, Hadi; Widiwurjani, Widiwurjani
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8226

Abstract

Pakcoy (Brassica rapa L.) is one of the important and popular vegetable crops in Indonesia. City development and massive urbanization have resulted in the shrinking of agricultural land in urban areas. Home gardens have great potential if managed optimally and planned. Therefore, the concept of urban farming with the vertical farming method can be a solution. This study aimed to determine the optimal composition of planting media and liquid organic fertilizer (LOF) concentration for the growth and production of pakcoy plants. This study used a completely randomized design (CRD) with two factors. The first factor was the composition of the planting medium, which consisted of three levels: soil, compost, and goat manure with a ratio of 1:1:1, 1:1:2, and 1:2:1. The second factor was the concentration of LOF and urea, which consisted of four levels: 1 gram urea, 2 ml/liter water, 4 ml/liter water, and 6 ml/liter water. The results of the study showed that the combination of planting medium composition and LOF concentration had an effect on all observation parameters. The combination of planting medium composition 1:1:2 and LOF concentration of 4 ml/liter water produced the best results for all observation parameters, namely plant height, number of leaves, total fresh weight, fresh head weight, fresh root weight, and plant dry weight. Key words : Pakcoy mustard, verticulture, media composition, concentration, LOF
Efektivitas Bahan Penyiraman Leri dan Macam Media Tanam terhadap Pertumbuhan Microgreens Tanaman Bunga Matahari (Helianthus annuus L.) Rahayu, Fita Dwi; Kusumaningrum, Nora Augustien; Sulistyono, Agus
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8262

Abstract

Microgreens are mini vegetable plants with high nutrition that are managed in a controlled growing environment. Management of microgreens requires sufficient water, nutrients, sunlight, planting media and air. The research aims to obtain the nutrient watering materials and media types for sunflower microgreens' growth. This research was carried out in Sumbang Bojonegoro village in October-December 2021. This research was prepared in a Completely Randomized Design (CRD) consisting of 2 factors, namely 2 levels of nutrient watering material, water (P1) and rice-washing water (P2), while 3 levels of planting media: husk charcoal (M1), sand (M2) and cocopeat (M3). The parameters observed were the percentage of germination, germination rate, number of normal and abnormal sprouts, sprout length, cotyledon width, sprout moisture content, sprout wet weight, and sprout dry weight. The observation data was analyzed used analysis of variance (ANOVA), with a further Least Significant Difference (LSD) test is carried out at a test level of 5%. Phytochemical tests for microgreens include chlorophyll, vitamin C and protein levels. The results showed that applying water and rice-washing water were not significantly different in terms of % germination and germination rate, while cocopeat media was more effective in terms of % germination, number of normal sprouts, % water content, wet weight of microgreens, length of sprouts and width of cotyledons. Highest phytochemical content % chlorophyll 23.60 mg/L (water+sand media); % Vitamin C content 59.40 mg/100g (water + husk charcoal media) and % protein content 3.47% (rice-washing water + sand media). Keywords: Planting media, rice-washing water, microgreens, phytochemical, watering
Pengaruh Kombinasi Populasi Tumpangsari Kedelai-Singkong pada Pertumbuhan dan Hasil Benih Tanaman Kedelai dan Hasil Umbi Singkong Pramono, Eko; Manik, Tumiar Katarina B.; Hadi, Muhammad Syamsoel; Salsabila, Erika Fadia
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8321

Abstract

Intercropping soybeans with cassava can become one solution to increase the production of soybean in Indonesia. This research aimed to determine the most optimal population combination of soybean-cassava intercropping for the growth and yield of soybean seeds, cassava tuber yield, and land use efficiency (LUE)..  The research was carried out on the farm land of the Main Seed Center in Sekincau District, West Lampung Regency, Lampung Province, Indonesia at -5°02’27” South and 104°18’16” East at elevation of 1173.1 meter from sea level and at the Seed and Plant Breeding Laboratory Faculty of Agriculture University of Lampung during June 2022 - February 2023. The four treatments of population combination of soybean-cassava intercropping were applied in a completely randomized block design (CRBD) and replicated five times in five blocks. The four population combination treatments of soybean-cassava intercropping were a) 100% soybean and 0% cassava (monoculture) (p₁), b) 67% soybean and 97% cassava (p₂), c) 67% soybean and 89% cassava (p₃), and d) 50% soybeans and 97% cassava (p₄). The growth and the seed yield per soybean stem of monoculture did not differ to those of the soybean-cassava intercropping, but the soybean seed yield per plot area of the intercropping was lower than those of monoculture. Its mainly due to the soybean population of the intercropping was lower compared to monoculture. All population combinations in soybean-cassava intercropping were effective in supporting the growth and yield of soybean seeds, but the population combination of 50% soybean and 97% cassava (p₄) was also effective in supporting cassava tuber yield, and had the highest land use efficiency among other population combinations. Key words:  flowering age, plant height, seed weight, tuber weight of cassava
Analisis Status dan Kelas Kemampuan Kesuburan Tanah pada Beberapa Lahan Tebu di Kecamatan Japah Kabupaten Blora Siswanto, Dwi; Widjajani, Bakti Wisnu; Siswanto, Siswanto
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8326

Abstract

Sugarcane commodity is one of the important commodities in Indonesia. The relationship with the advanced industry of sugarcane is also very close, about 20% in the form of liquid sugar produced from this plant. This study was led to analyze the status and classification of soil fertility capabilities on sugarcane fields in the Japah Area. This study used a survey method with sugarcane fields selected from 9 selected villages and soil sampling depths of 0-20 and 20-40. The fertility status in sugarcane fields in Japah District is included in the Very Low (SR) and Low (R) criteria with C-Organic limiting factors, Potassium reserves, P reserves and low Base Saturation. The fertility ability classification is (T1) Ngiyono K is low, acidic and P is low, (T2) Sumberjo availability K and P are low, acidic, (T3) Wotbakah P is low, (T4) Bogem availability K and P is low, (T5) Gaplokan K and P are low, (T6) Kalinanas K and P are low, (T7) Tlogowungu availability K and low P, (T8) Dologan K and low P, (T9) Ngapus K and low P.Keywords : status, fertility capability, sugarcane land
Pengaruh Konsentrasi dan Interval Waktu Pemberian Flower Inducer terhadap Pembungaan Kopi Robusta Puspita, Anggita; Kartika, Kartika; Zasari, Maera
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8331

Abstract

Coffee is a leading commodity in Indonesia because it can increase people's income and foreign exchange. Coffee production can be affected by flowering. Flowering can be done by giving flower inducer, a flower inducer solution containing nutrients and Sitokinin. This study aims to investigate the influence of concentration and timing of flower inducer solution application on the flowering of robusta coffee plants. The research was conducted in Petaling Banjar Village, Bangka Regency, from January to May 2023, using a split-plot experimental design with a randomized block design, repeated four times. The main plots were the weekly and bi-weekly time intervals, and the subplots were the concentrations of Flower Inducer, namely 0 ml/liter, 10 ml/liter, 20 ml/liter, and 30 ml/liter. The results showed that the concentration of flower inducing solution significantly increased the number of silver primordia, the number of perfasciculus primordia, and the period of primordia emergence. A concentration of 20 ml/liter is the best concentration that induces coffee primordia and flowers. Keywords : Coffee, flowering, concentration, sitokinin
Aplikasi Formulasi Bahan Pembenah Tanah terhadap Beberapa Sifat Kimia Tanah Berpasir dan Produksi Tanaman Padi Aprilia, Intan Bella; Sasongko, Purnomo Edi; Siswanto, Siswanto
JURNAL AGROTROPIKA Vol. 23 No. 1 (2024): Jurnal Agrotropika Vol 23 No 1, Mei 2024
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v23i1.8342

Abstract

Sandy soil is part of the soil fraction with low nutrient content, organic matter, and cation exchange capacity. This is due to the leaching process so that nutrients are easily lost. The research aimed to improve the chemical characteristics of sandy soil and rice crop production due to the application of humic acid and silica. This research used of Completely Randomized Design method using soil amendment materials, namely humic acid (A) at the of 60 kg/ha and silica (S) at the of 5 tons/ha consisting of 6 combinations of comparisons repeated 4 times. Variables of analysis parameters include pH, cation exchange capacity, organic matter, N-NH4+, N-NO3- and rice crop production. The data obtained were analyzed by analysis  of variance (ANOVA). If the results showed a significant effect, it was continued with the Honestly Significant Difference (HSD) test at the 5% level. The results showed that the application of soil amendment in the from humic acid and silica with various treatments on sandy soil was only able to improve CEC by 3,18% and Organic-C by 0,08%. In contrast soil pH and N-available didn`t give significant results in improving soil chemical properties and rice crop production. It`s recommended to conduct further research on the dose used in soil amendments so that it can effect nitrogen parameters and rice crop production in sandy soil.  Keywords: humic acid, silica, sandy soil

Page 19 of 26 | Total Record : 252

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