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All Journal Agrotrop : Journal on Agriculture Science Buletin Udayana Mengabdi E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Nandur
I GUSTI PUTU RATNA ADI
Program Studi Agroekoteknologi, Fakulats Pertanian, Universitas Udayana
Agriculture, Biological Sciences & Forestry Education

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Pemetaan Lahan Sawah Berbasis Sistem Informasi Geografis di Subak Petangan dan Subak Pakel II, Desa Ubung Kaja, Kecamatan Denpasar Utara DANIEL VALENTINO SIRAIT; I GUSTI PUTU RATNA ADI; IDA BAGUS PUTU BHAYUNAGIRI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.1, Januari 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Mapping of Subak Rice Fields Based on Geographical Information Systems in Petangan Subak and Pakel II Subak in Ubung Kaja Village, North Denpasar District Subak Petangan and Subak Pakel II are rice fields that have the potential to experience land use change. Based on data from the Central Statistics Agency (BPS) of Bali Province in 2017, the area of ??rice fields in Denpasar City has decreased by an average of 31.86 ha/year or decreased by around 1.28% per year. It is feared that it will experience a decline in the next 5 years. To anticipate further land use changes, a Regional Regulation (Perda) is required for the Protection of Subak Land as an LP2B Area, and is set forth in a Detailed Spatial Plan (RDTR). The purposes of research: knowing the area of ??subak Petangan and Subak Pakel II rice fields, knowing the subak designated in the RTHK area, making a GIS based information database on the potential of subak. According to the RTRW for the City of Denpasar (2011-2031), RTHK in urban areas is at least 30% of the city area. The area of ??Subak Pakel II which is in the RTHK of Denpasar City is 28.3 ha and is designated as a sustainable subak. Based on this, it is necessary to carry out a mapping of paddy fields in Subak Petangan and Subak Pakel II so as to facilitate planning, implementation, monitoring and evaluation of LP2B. The digitization results show that the area of ??Subak Pakel II is 49 ha, while the area of ??Subak Petangan is 36 ha. The area of ??subak rice fields in the RTHK area is 35.6 ha, namely in Subak Pakel II. The area of ??subak non-rice fields in Subak Pakel II is 7.3 ha. Subak land area that is not in the RTHK area is in Subak Pakel II, which is 21 ha.
Evaluasi Kesesuaian Lahan dan Kelayakan Ekonomi Untuk Pengembangan Tanaman Jahe Merah (Zingiber offcinale var. Rubrum) Sebagai Komoditas Unggulan di Kecamatan Tegallalang Kabupaten Badung I MADE WIYOGA ARIE PUTRA; I KETUT SARDIANA; I GUSTI PUTU RATNA ADI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.2, April 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Land Suitability Evaluation and Economic Feasibility for the development of Red Ginger Plant (Zingiber offcinale var. Rubrum) as the flagship Commodities in the Subdistrict of Gianyar Regency Tegallalang Development of red ginger plant in Tegalalang District Gianyar regency is one of the gianyar regional government program to make red ginger as a flagship commodity by evaluating the suitability of red ginger plant land in research area and determine economic feasibility. is expected to increase the income of local farmers Tegallalang District Gianyar regency. This research aims to know the characteristics and quality of land Tegallalang District Gianyar Regency, actual and potential land suitability classification, limiting factors and economic feasibility red ginger plants. Comparing between the characteristics/quality of the land with the requirements of growing plants is done to determine the suitability of land in agroecosystem and for economic feasibility is done by calculating the B / C ratio. The sample point is determine by purposive random sampling.The results of this research indicate that the actual land suitability class on V1IAKC land unit is S3na1, V1IIAKC S3eh1.eh2, V1IIIAKC Neh1.eh2, V1IVAKC and V1VAKC Neh1.eh2. The highest economic feasibility of red ginger plant is in unit unit of V1IAKC with B / C ratio of 3.3 and lowest in unit of V1VAKC with B / C ratio is 0.3.
Pemetaan Status Kesuburan Tanah Sawah Berbasis Sistem Informasi Geografis di Subak Buaji dan Subak Padanggalak Kecamatan Denpasar Timur ELDO GABRIEL SIREGAR; I GUSTI PUTU RATNA ADI; A.A. NYOMAN SUPADMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.1, Januari 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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The Mapping of Paddy Soil Fertility Status Based on Geographic Information System in Subak Buaji and Subak Padanggalak, East Denpasar District This study aims to evaluate the status of soil fertility and provide management measures for limiting factors as well as making maps of soil fertility status in Subak Buaji and Subak Padanggalak, East Denpasar District. The method used in soil sampling in the study area is the survey method by first creating a homogeneous land unit obtained by overlaying several thematic maps such as semi-detailed soil maps, slope maps and subak maps, then each homogeneous land unit is carried out several observation points and Soil sampling using purposive sampling method which is then composited. Soil samples that have been obtained are then analyzed in the laboratory for soil chemical properties including: Cation Exchange Capacity (CEC), Base Saturation (KB), C-Organic Soil, P-total, K-total. The results of the analysis of soil chemical parameters are then evaluated on their fertility status based on the PPT technical guidelines for mapping soil fertility status (1995). The results showed that in Subak Buaji and Subak Padanggalak, East Denpasar District, there were three classes of soil fertility status, namely low fertility class (R) found in SLH I.II (Subak Padanggalak), medium fertility class (S) in SLH I.I (Subak Buaji ), while the high fertility class (T) is found in SLH II (Subak Buaji and Subak Padanggalak) and SLH III (Subak Padanggalak). The soil fertility parameter which is the limiting factor is the low P-total value. Management action to overcome these limiting factors is the addition of phosphorus fertilizers and organic fertilizers.
Evaluasi Kesesuaian Lahan Tanaman Padi, Palawija, dan Hortikultura Jenis Sayuran pada Subak di Desa Penyaringan dan Tegal Cangkring Kecamatan Mendoyo, Kabupaten Jembrana ALDIYO BARUS; I NYOMAN DIBIA; I GUSTI PUTU RATNA ADI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.9, No.4, Oktober 2020
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Evaluation of Land, Palawija, and Horticultural Vegetable Land Suitability in Subak in Penyaringan and Tegal Cangkring Village in Mendoyo District, Jembarana Regency This study aims to determine the suitability of land for lowland rice, crops (maize and soybeans) and horticultural crops of vegetable species (onion and chili), determine the limiting factors for the plants being evaluated, and determine the direction of land use. Data obtained to complete the subak land resource database in Penyaringan Village and Tegal Cangkring Village. This research was conducted in December 2019-March 2020 using the land evaluation survey method. The stages of the research consisted of literature study, secondary data collection, delineation of homogeneous land units (SLH), determination of sample points, preliminary surveys, field surveys and soil sampling, analysis of soil samples in the laboratory, tabulation and interpretation of data, evaluation of land suitability and determining direction land use. The characteristics and quality observed were temperature, water availability (annual rainfall and dry month), humidity, root media (drainage, texture, rough material, effective depth), nutrient retention (soil CEC, KB, pH, and C-Organic) , nutrient availability (N, P, K), toxicity (salinity), erosion hazard, flood hazard, land preparation. The actual land suitability for rice plants is classified as S2-N, corn is classified as S3, soybeans are classified as N, shallots are classified as N, and chili is classified as S3. The limiting factor was improved suitability of potential land for rice plants classified as S1, corn classified as S2, soybeans classified as S3, shallots classified as S3, and chili classified as S3. Commodity order in land use in the study area: top priority for rice plants, second priority for corn and chilli plants, third priority for soybean and shallot plants.
Aplikasi Remote Sensing dan Sig Untuk Pemetaan dan Informasi Sumberdaya Lahan Subak Sawah di Kecamatan Kuta dan Kuta Utara, Kabupaten Badung DEWA GEDE SUARJAYA; INDAYATI LANYA; I GUSTI PUTU RATNA ADI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.3, Juli 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Application of Remote Sensing and GIS for Mapping and Information Resources in Wetland of Subak in Kuta and North Kuta, Badung Regency Subak in this research is a wetland that has spatial data. Wetland subak during this uncharted spasial basis and yet the existence of the information resources of subak. Subak database based information dan communication technologi (ICT) is indispensable in agricultural development in general. This research was done in Kuta and North Kuta, Badung, Bali from September 2016 to March 2017. The research method includes : (1) library studies, (2) analysis of satellite imagery conducted using Quickbird 2012 and Quickbird 2017, (3) surveys, and (4) arrangement of database resource.The result of digitized satellite images in 2017 retrieved 21 subak area of 1007.39 ha in Kuta and North Kuta. BPS data (Statistics Indonesia, 2016) retrieved 22 subak area of 1316 ha. Subak Ulun Tanjung located in the Legian Village has not paddy fields since 2006. Land resources information system of subak is very accessible and fast through the technology of Geografis Information Systems (GIS).
KAJIAN POTENSI PENGEMBANGAN TANAMAN MARKISA KUNING (PASSIFLORA FLAVICARVA) PADA TANAH ALFISOL I KETUT SARDIANA; I G.P. RATNA ADI
Agrotrop : Journal on Agriculture Science Vol 1 No 2 (2011)
Publisher : Fakultas Pertanian Universitas Udayana

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Potential Study of Yellow Maracujá (Passiflora flavicarva) Suitability on Alfisol Soil The objectives of this study was to determine land characteristics and land suitability for maracujá (Passiflora flavicarva) on Alfisols soil in District of Melaya, Jembrana Regency. The study used the land unit with homogeneus on climate, terrain, and landuse as sampling units. The climate data was analysed by classifying the rainfall degree based on Oldeman and Schmidt-Ferguson system.The characteristics of land were fixed based on the field survey and the soil analysis in the laboratory. Class or sub class of land suitability is based on matching system between land qualities and crop requirements. The results show that land suitability for maracujá (Passiflora flavicarva) commodities is categorized as moderately suitable (S2) with two limiting factors i.e. C-organic and total nitrogen of the soils. Corganic in the soils is needed to keep the balance of the elements and humidity of the soils. The cultivation of this plant, needed at least 74 kilograms organic matter/plant/year.
Peningkatan Produktivitas Tanaman Padi Sawah Melalui Pemupukan Kompos dan NPK I GUSTI PUTU RATNA ADI; I NYOMAN PUJA
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Increased Rice Crop Productivity Through Compost and NPK Fertilization. The aims of this research was to study response of compost and NPK fertilizers to the soil chemical properties and rice yield. The method used was a factorial Randomized Block Design consisting of two factors. The first factor was compost Fertilizer (B) consists of 2 levels, namely: B0 = Without compost fertilizer and B1 = 5 ton compost fertilizer ha-1. The second factors was NPK national recomendation (P) consists of 3 levels, namely: P1 = 50% of NPK recommendation, P2 = 100% of NPK recommendation and P3 = 150% of NPK recommendation. The results showed that the treatment of compost and NPK fertilizers gave no significant effect on tillers number clumb-1 and dry straw weight/m2 , but gave a significant effect on N, P, K and dry grain weight/m2. The combination of 5 tons of compost/ha and 150% of NPK recommendation can produce N-total, P-available level, K-available and dry grain weight per m2 respectively 0.35%, 13.79 ppm, 355, 21 ppm and 0.96 kg and significantly higher than the combination of 50% NPK recommendation and without compost, which were 0.26%, 8.21 ppm, 236.10 ppm and 0.69 kg respectively.
Kandungan Minyak Esensial Sebagai Bahan Baku Obat-Obatan dari Tanaman Gaharu (Gyrinops versteegii) pada Kondisi Lahan Berbeda I MADE ADNYANA; I MADE MEGA; I GUSTI PUTU RATNA ADI
Agrotrop : Journal on Agriculture Science Vol 12 No 1 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i01.p03

Abstract

Content of Essential Oils as Raw Materials for Medicine from Agarwood Plants (Gyrinops versteegii) in Various Soil Conditions. Essential oil is one of the processed agarwood (Gyrinops versteegii) which is useful in the basic ingredients of perfume, cosmetics, and medicines. The purpose of this study was to determine the volume and chemical composition of essential oils in agarwood plants in different land conditions. This research was conducted through a hydrodestillation process and chemical component analysis using a Gas Chromatography Mass Spectrophotometer (GCMS). The materials used are samples of agarwood from different lands, namely: A (agarwood on land with Regosol in Klungkung Regency) and B (agarwood on land with Latosol in Tabanan Regency). The specimens of agarwood consisted of: (1) Sapwood, (2) Kemedangan. The results showed that the essential oil content of the sapwood and kemedangan agarwood from Tabanan was higher than that of the sap and kemedangan agarwood from Klungkung. The composition of the compounds contained in sapwood includes: 9-Octadecenoic acid, Trans-13-Octadecenoic acid, Eugenol, 1-Nonadecene, Propanedioic acid, phenyl-; 2-propanol, 1,1'-oxybis-; 1-Propanol, 2- (2-hydroxypropoxy); Cyclopentadecanone, 2-hydroxy-and Oleic acid.
Aplikasi Remote Sensing dan Geographic Information System untuk Pemetaan Potensi Obyek Daya Tarik Wisata di Desa Adat Batur Kecamatan Kintamani, Bangli HARTATI TRI TUNGGAL JAYANTI; INDAYATI LANYA; I GUSTI PUTU RATNA ADI
Agrotrop : Journal on Agriculture Science Vol 12 No 1 (2022)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2022.v12.i01.p04

Abstract

Remote Sensing Application and Geographic Information System for Mapping Potential Tourist Attractions in Batur Traditional Village, Kintamani District, Bangli. Batur Village of Kintamani is the region defined as the National Tourism Strategic Area according to the Bali Provincial Regulation No. 16 of 2009. Batur Village consist of three Villages Department namely North, South, and the Central Batur Village. Not all Tourist Attraction are well-organized, as in the North Batur Village they don’t yet have a tourist attraction, different from the Central and South Batur Village of Mount Batur, Lake Batur and the Batur Temple has evolved and exist. The level of development of the tourism potential can be categorized to determine the factors supporting and inhibiting factors. Applications of Remote Sensing and GIS in the form of satellite worldview 1: 25.000 in 2020 Kintamani and software QGIS 3.10 was used as aims to update the database, mapping the location, the type attraction and the potential Tourism Attraction in the Village of Batur refers to the ACT No. 10 of 2009 in Article 7 as the four parameters (destination, industry, marketing and institutional) was weighted and score numerically and recommend strategies development of tourism in Batur Village. Based on the results 15 Tourist Attractions (TA) with 10 natural attractions, 2 religious tourism, 1 science tourism and 2 agro tourism located in Central and South Batur, there are 5 classes of potency (TA) very high, high medium, low and very low. The strategy, namely marketing with tour packages, makes WEBGIS to facilitate information for tourists who want to visit and provide regulations on abuse of buildings, landslides and pollution.
Evaluasi Kesesuaian Lahan Tanaman Pangan dan Perkebunan di Desa Belimbing, Kecamatan Pupuan, Kabupaten Tabanan Febrin Sidabutar; I Gusti Putu Ratna Adi; I Made Mega
Nandur Vol 1 No 1 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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This study aims to determine the actual and potential land suitability, limiting factors, improvement efforts and the making of suitability maps as well as land use directions for several food crops and plantations. The plants evaluated include: rice, corn, sugar palm, coffee, salak and coconut. This research was carried out in Belimbing Village starting from January 2021 to March 2021. Based on the results of overlapping soil type maps, slope maps and land use maps, four homogeneous land units were obtained. The method used is a survey, analysis and classification of land suitability by matching the quality and characteristics of the land with the requirements for plant growth that are evaluated for suitability. The evaluation results show that the actual land suitability class for several food crops and plantations is S3 (marginally suitable) to N (not suitable). The limiting factors in the study area are: temperature, rainfall, dry months, humidity, N-total, P2O5, available K, slope and erosion hazard. Improvement of land suitability class is carried out with improvement efforts, namely the provision of organic matter, fertilization, making planting terraces according to contours and land cover except temperature, rainfall (especially for plantation crops), dry months and humidity because they are permanent limiting factors. Potential land suitability classes for several food crops and plantations evaluated are S1 (very suitable) to S3 (marginally suitable), with limiting factors of temperature, rainfall, slope and erosion hazard. Recommendations for land use in BLIVSw and BLVSw are corn and BLIVKb and BLVKb are sugar palm and coconut.
Co-Authors A.A.NYOMAN SUPADMA ALDIYO BARUS ARGUMENTA TEO VELUS SITEPU DANIEL VALENTINO SIRAIT DEWA GEDE SUARJAYA ELDO GABRIEL SIREGAR Febrin Sidabutar HARTATI TRI TUNGGAL JAYANTI HASBI MAULANA I .N. Puja I DEWA PUTU SINGARSA I Ketut Sardiana I MADE ADNYANA I Made Mega I MADE WIYOGA ARIE PUTRA I N. Puja I Nyoman Dibia I Nyoman Puja I.N. Ardika IDA BAGUS PUTU BHAYUNAGIRI Ida Bagus Suryawan INDAYATI LANYA MANALU, TUGMA JAYA N. Dibia N. M. Wikarniti N.K. Kariyati N.W. Siti Ni Luh Gde Sumardani P. Dyatmikawati Subadiyasa N. N. Tati Budi Kusmiyarti TATIEK KUSMAWATI WIRADHIKA MAHAYASA PUTRA