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E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)
Published by Universitas Udayana
ISSN : 23016515     EISSN : -     DOI : -
Core Subject : Agriculture,
E-Jurnal Agroekoteknologi Tropika (JAT) adalah peer-reviewed, open access jurnal, diterbitkan oleh Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana. JAT menerbitkan hasil peneitian original dan review artikel dalam bidang Ilmu tanah dan lingkungan, Agronomi, hama dan penyakit tumbuhan, dan arsitektur lanskap. Penulis diharapkan mengimkan karya tulisnya yang belum pernah dipublikasikan, sedang di-review atau sedang dipertimbangkan untuk diterbitkan di jurnal atau media lain secara lengkap. Ruang lingkup JAT mencangkup, tetapi tidak terbatas pada bidang berikut: kimia dan kesuburan tanah, biologi tanah, fisika dan konservasi tanah, manajemen suberdaya lahan, pengendalian hama dan penyakit terpadu, hama tanaman, penyakit tanaman, biopestisida, bioteknologi tumbuhan, agronomi dan hortikultura, benih dan pemuliaan tanaman, ekofisiologi, dan arsitektur lanskap.
Arjuna Subject : -
Articles 468 Documents
Struktur Populasi Hama Pomacea sp. (Mesogastropoda: Ampullariidae) yang Menyerang Padi Sawah (Oryza sativa L.) Pada Ketinggian 500 Mdpl di Kabupaten Tabanan I WAYAN KASIDIYASA; NI NENGAH DARMIATI; I MADE MEGA ADNYANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.4, Oktober 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Population Structure of Pomacea sp. (Mesogastropoda: Ampullariidae) On Paddy Rice (Oryza sativa L.) At Altitude <500 Dan> 500 mdpl Tabanan Regency Research conducted from January 2018 until March 2018 in 2 different places that is in Blayu Village, Marga District and Puseh Village, Baturiti District, Tabanan Regency. The purpose of this research is to know the population structure of Pomacea sp. on rice paddy at altitude <500 and> 500 mdpl Tabanan regency. The materials used in this research are rice plants and Pomacea sp. in the field. In this research use survey method to determine population structure of Pomacea sp. on wet rice paddies conducted in Blayu Village, Marga District and Puseh Village, Baturiti District, Tabanan Regency. Observation using absolute method of observation is done directly without using tools such as traps. Observations were made 2 times a week from rice age 1 week after planting until rice grains grow. Observations made in the morning. Observation of Pomacea sp. shows the following results: Population density P. canaliculata small phase, pre adult and adult at altitude < 500 mspl (0.043, 0.044, and 0.041 individual/m2) is higher than in height > 500 mdpl (0.035, 0.042, and 0.038 individuals/m2). At an altitude of <500 mdpl population of P. canaliculata age 1 - 15 HSM, 16 -25 HSM, and 26 - 3 years after the highest hatch occurred at age 28 HST ie 7.67 snails / are, 4.20 snails / , 40 snails / acre while at height> 500 mdpl population P. canaliculata age 1 - 15 HSM, 16 -25 HSM, and 26 - 3 years after the highest hatch occurred at age 31 HST ie 6.07 snails / are, 5, 00 snails / are and 3.93 snails / are. The distribution pattern of P. canaliculata at <500 and> 500 mdpl is clumped.
Analisis Kualitas Larutan Mol (Mikroorganisme Lokal) Berbasis Ampas Tahu NI WAYAN MARSININGSIH; A A NGURAH GEDE SUWASTIKA; NI WAYAN SRI SUTARI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.3, Juli 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT   Analysis of Local Mikroorganisms Solution Quality Based on Tofu dregs. The experiment was conducted at the Soil Laboratory, Faculty of Agriculture, Udayana University in January until March 2014. The purpose of this research was to determine the effects of concentration and length of fermentation tofu dregs to the quality of local microorganisms solution. The design of this research used a randomized block design factorial pattern. The first factor was the concentration of tofu dregs consisted of 0 g; 300 g; and 600 g. The second factor was the length of fermentation, consisted of one, three, and five weeks. The observed parameters are: the nature of biological, physical and chemical solution of local microorganisms. Physical characteristics include color and odor, biological properties covering a total population of bacteria and fungi. Chemical properties include pH, total-N content, and available-P. The result of this research showed that treatment of 600 g tofu dregs and five weeks length of fermentation provides the best results. It can be seen from the total population  bacteria  (29,80 x 108 cfu mL-1), total-N (0,06 %) and available-P (199,38 mg kg-1).   Keywords: tofu dregs, concentration, length of fermentation, local microorganisms
Keragaman dan Kepadatan Populasi Predator yang Berasosiasi dengan Hama Penting pada Tanaman Kubis (Brassica oleracea L.) NI WAYAN ASRIANI; I GUSTI NGURAH BAGUS; NI NENGAH DARMIATI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.2, No.3, Juli 2013
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT The Predator Diversity and Population Density Associated with Important Pest in Cabbage Plant (Brassica Oleracea L.) The cabbage plant (Brassica oleracea var. capitata L.) is an important vegetable especially in the highland, has been much cultivated and tried by farmers in Indonesia especially in rural areas. The vitamins contained in cabbage that is vitamin A, B and C which have important role in fulfilling human needs. The aim of this research is to find out the diversity and density of predator population associated with important pests in cabbage plant. To find out about the progress of predator population density associated with important pests in cabbage plant. The result of observation to the diversity of predator’s types showed that five types of predators were found associated with important pests in cabbage plant that was Menochilus sexmaculatus, Ischiodon scutellaris, Paederus fuscipes Curt, Dolichoderus bituberculatus, Oecophylla smaragdina. Diversity index of these types of predators was classified as low which was (0.60). Key words: Predator and Cabbage plant.
Pengaruh Aplikasi Biourin Gajah terhadap Pertumbuhan dan Hasil Tanaman Sawi Hijau (Brassica juncea L.) BENITA NATHANIA; I MADE SUKEWIJAYA; NI WAYAN SRI SUTARI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol. 1, No. 1, Juli 2012
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Application Effect of Elephant Bio-Urine on Green Mustard Plant Growth and Yield The experiment conducted in greenhouse located in experimental garden of Agriculture Faculty Udayana University. The experiment aims to find the effect of elephant’s bio-urine application on plant growth and yield of mustard greens (Brassica juncea L.). The experiment uses a completely randomized design (CRD) with one treatment factor and ten replications. The treatment is elephant’s Bio-urine concentration which is consists of six levels: 0 ml / l (B0), 100 ml / l (B1), 200 ml / l (B2), 300 ml / l (B3), 400 ml / l (B4), and 500 ml / l (B5). The results showed that treatment of elephant’s bio-urine concentration gives a significant effect on all variables were observed. Elephant’s bio-urine concentrations 300 ml/l gave the best growth and highest yield of total dry weight, 3.55 g/plant and total fresh weight 42.85 g/plant. Meanwhile, elephant’s bio-urine concentrations 500 ml/l gave poor growth and lowest yield of total dry weight, 2.20 g/plant and also the lowest total fresh weight 24.22 g/plant. Key words: elephant bio-urine, green mustard
Uji Efektivitas Perangkap Kuning Berperekat dan Atraktan terhadap Serangan Lalat Buah pada Pertanaman Jeruk di Desa Katung, Kecamatan Kintamani, Kabupaten Bangli I WAYAN SASTONO; I NYOMAN WIJAYA; I MADE MEGA ADNYANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.4, Oktober 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Study on Effectivity of Attractant and Yellow Sticky Trap Fruit Flies on Citrus Orchards in Katung Village, Kintamani District, Regency of Bangli The research was carried out in Katung Village, Kintamani district, of Bangli Regency from periode of May until October 2016. This research was conducted in order to compare the effectivity of trap using Methyl Eugenol (Petrogenol) and using a glue with the trade name is Leila. This research was used a relative method by taking 20 samples of citrus plant. The observation was done every week from the beginning of fruiting until harvesting. The trap using Methyl Eugenol (Petrogenol) was found more effective compare to trap using a glue (Leila).
Aplikasi Sistem Informasi Geografis dan Penginderaan Jauh untuk Pemetaan Penggunaan dan Kesesuaian Lahan di Desa Batur Tengah Kabupaten Bangli ANDREY ANTASARI RANGKUTI; INDAYATI LANYA; R. SUYARTO
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.1, Januari 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Application of Geograpic Information System and Remote Sensing for Mapping of Land Use and Suitability ini Batur Tengah Village Bangli This study aims to map land use and evaluate the suitability of land for horticultural, secondary and plantation crops. This research held from December2017 - March 2018 using a method consisting of, identification of satellite images (land use), field surveys, reinterpretation of land use maps, analysis of soil samples and land suitability classification. The results that there were eight types of land use in Batur Tengah Village with a total area of 474 ha. The actual class of land suitability of fruit horticulture plants is generally S3 (marginal suitability) with dry season limiting factor, soil texture, soil-CEC and N-total and slope, potential suitability class S3. The actual land suitability class of plantation (coffee) plants is generally S3 with a dry season limiting factor, soil texture, soil-CEC, N-total and slope. Potential land suitability class S3. The class of actual land suitability of vegetable horticulture plants is generally S3 (marginal suitability) with dry season limiting factors, soil texture, soil-CEC and N-total and slope, potential land suitability class S3. The actual land suitability class of palawija crops is generally N (not suitable) with dry season limiting factors, soil texture, soil-CEC and N-total and slope, potential land suitability class S3. The land suitability geographic information system is presented interactively which can display land suitability classes, agricultural commodities and land use types.
Uji Kualitas Beberapa Pupuk Kompos yang Beredar di Kota Denpasar TANTYA TANTRI P. T. N; A.A. NYOMAN SUPADMA; I DEWA MADE ARTHAGAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.1, Januari 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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ABSTRACT Quality Test of Some Compost Fertilizer that circulate in Denpasar City This research to aims knowing the quality physical and chemical properties of 10 compost that meets several criteria according to SNI 19-7003-2004. This research starts from the sampling of fertilizers that have been circulate in the market. This research consists of several stages of laboratory analysis with that assessment parameter analysis results include water content, pH, N-total (method Kjeldhal), P2O5 and K2O total (extract method HCL 25%), C-organic (Walkley and Black method), and C/N ratio. Based on the results of physical and chemical quality test of the parameters which is conducted compost fertilizer, there are only 2 organic fertilizer most suitable from 10 types of fertilizers, namely fertilizer Bio-extrrim Trubus and  Putri Liman Simantri 096 Blahbatuh, Gianyar has met the several criteria of compost according to SNI 19-7030-2004. The next compost fertilizer that does not comply with some of the SNI, namely Petrokimia Gresik, Good Compost Trubus, Bioorganic Simantri 027 Kelating, Kerambitan, Tabanan, Sapi Trubus, Bintang Tani Marga, Tabanan, Kambing Trubus, Higher For Grow and Agung Singapadu Gianyar, each fertilizer on average had higher levels of C-organic, C/N ratio, organic matter, which is not comply to the  SNI 19-7030-2004. Keywords: quality test, physical and chemical properties, compost standard ISO (2004)
Uji Efektifitas Ekstrak Daun dari Beberapa Jenis Tanaman untuk Mengendalikan Nematoda Puru Akar Meloidogyne Spp. pada Tanaman Cabai (Capsicum Annum L) IDA BAGUS MADE DWI JAYA; MADE SRITAMIN; NI MADE PUSPAWATI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.3, No.2, April 2014
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Root knot nematodes (Meloidogyne spp.) is an important class of nematode that causes significant reduction in the production of Capsicum annum L. Various control measures were taken to suppress the population of Meloidogyne spp. such as planting resistant varieties, crop rotation and technical culture, still unwell provide fast response compared to chemical control. Biopesticides is a way of controlling the use of more environmentally friendly than synthetic pesticides. Based on this, it will be carried out studies on the control of root knot nematodes Meloidogyne spp. using plant leaves tembelekan (Lantana camara), kirinyuh (Chromolaena odorata), papaya (Carica papaya), lemongrass (Cymbopogon nardus L.), betel (Piper betle L.) and tobacco (Nicotiana tabacum) which extracts used were 250cc / pots of each extract solution leaves. The purpose of this study was to determine the plant leaf extract is capable of suppressing the population of Meloidogyne spp. and determine the most effective leaf extracts suppress the population of Meloidogyne spp. The results of this empirically found that population of nematoda per 300 grams of soil extract of Piper betle L. can suppressed the nematode population of Meloidogyne spp. The best is 23.4 nematodes or 95.32%, followed by treatment of the extract of C. odorata 27.6 nematodes (94.48%), L. camara 28.8 nematodes (94.24%), Carica papaya 43, 4 nematodes (91.32%), Cymbopogon nardus L. 53.8 nematodes (89.4%), and Nicotiana tabacum 60.8 nematodes (87.84%). Population of nematoda per 1 g of root, extract of Piper betle Linn. is also the most well extract in suppressing root knot nematode populations, there are only recorded 21.2 percentage suppression tail with 95.76%, followed by treatment of C. odorata extract 23.6 tail (95.28%), L. camara 24 , 2 goats (95.16%), Carica papaya 28.4 tail (94.32%), Cymbopogon nardus (L). 30.2 tail (93.96%), and Nicotiana tabacum 35.2 tail (92.96%). Keyword: Capsicum annum L, Carica papaya, Chromolaena odorata, Cymbopogon nardus L., Lantana camara, Meloidogyne spp., Nicotiana tabacum, Piper betle Linn.
Evaluasi Penyimpangan Penggunaan Lahan Berdasarkan Peta Arahan Pemanfaatan Lahan di Kecamatan Ubud, Kabupaten Gianyar, Provinsi Bali FRANSISKA PURBA; R. SUYARTO; I WAYAN NUARSA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.2, April 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Evaluation of Deviation Land Based On The Direction Of Land Use In Ubud District, Gianyar Regency, Province of BaliUbud District is one of the most important tourist destinations in Bali for local domestic and international tourist.Development of tourism area near to build their infrastructure such as hotel, villa, restoran, spa, etc. Currently, many tourism facilities was development in high slope, this can cause natural hazard such as land sliding, erosion, flood, etc. The objective of this result is to compare between directions of land use and existing land use. Calculations of land use directions used the scoring system with 3 variable, that is tabel of daily rain fall, slope, and soil type. The existing land use was obtained by screen digitizing of quickbird image in 2014 to produce land use map. The direction of land use in Ubud district consists of, the area of seasonal cultivation and settlements area 2975,45 hectares (68,16%), perrenial crop cultivation area 1256,44hectares (28,78%), and the buffer area 133,34 hectares (3,06%). Interpretation result and classification of Quickbird Imagery by the year of 2014 for the land use in Ubud District consists of settlement area, 1523,19 hectares (34,89%), rice irrigation area of 1673,44 hectares (38,33%), moor 798,16 hectares (18,28), mixed-use cultivation area 301,46hectares (6,91%), and monkey forest/river border protected areas 68.98 hectares(1,59%).Image classification accuracy in this study is 92,30%. The discrepancy in the land use direction that showed better use of the region consists of: the seasonal cultivation and the settlement area became an monkey forest/river border protected areas 49,49 hectares(1,13%), perennial crop cultivation area became an monkey forest/river border protected areas8,18 hectares (0,18%), area of seasonal crop cultivation and settlements area into mixed-use cultivation area 146,70 hectares (3,36%). Meanwhile, the discrepancy in the use land direction that became worse consists of: buffer area into a settlements area 83,69 hectares (1,91%), buffer area into rice paddies covering 11,04 hectares (0,26%), buffer area into an area of moor 25,25 hectares (0,57%),buffer area into the mixed-use cultivation area 2,06 hectares (0,04%), perennial cultivation area into settlements covering 335,53 hectares (7,69%), perennial cultivation area into rice paddies covering an area of 369,34 hectares (8,46%), perennial cultivation area into an moor area 390,81 hectares(8,96%).
Pemanfaatan Citra Landsat 8 dan Google Earth untuk Identifikasi Lahan Sawah di Kecamatan Cibiru Kota Bandung BUDY FRASETYA; YATI SETIATI; REZA SEPTIANUGRAHA; GHAZI MUHAMMAD
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.3, Juli 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Utilization of Landsat 8 and Google Earth For Identification of Land in Cibiru Bandung CityThe availability of paddy field in urban areas from year to year experienced a decrease in wetland area as a result of conversion agricultural land to non-agricultural. Cibiru Sub Region City (SWK) Ujungberung is one of the priority areas of development. The goal of Bandung City government to have eternal paddy field needs to be supported with distribution of rice fields map for development and minimize land use conversion. The research method was used descriptive survey method, Landsat 8 and Google earth image interpretation results are then validated by conducting field surveys at the location points of the initial interpretation of rice fields and other land cover that is still verification from the results of studio intrepetation. The results obtained by NDVI value of Landsat 8 image for paddy field in Kecamatan Cibiru minimum 0.09296; maximum 0.23502 with an average of 0.16225. The result of identification with high resolution image google earth width of rice field in District of Cibiru identified 58.47 hectares.