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I Gede Wahyu Pramartha
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nandur@unud.ac.id
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Gedung Agrokomplek Lantai 2, Fakultas Pertanian, Universitas Udayana Jl. P.B. Sudirman, Denpasar, Bali (80232) Telp. (0361) 222450, Fax. (0361) 702801
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Kota denpasar,
Bali
INDONESIA
Nandur
Published by Universitas Udayana
ISSN : -     EISSN : 27466957     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Nandur adalah Jurnal Ilmiah Pertanian yang mempublikasikan dan menyebarluaskan hasil penelitian/naskah hasil riset (original research) kepada para peneliti dan ilmuwan di bidang pertanian yang mencakup bidang ilmu Agroekoteknologi, Agribisnis, dan Arsitektur Pertamanan. Naskah yang diterbitkan ditulis dalam bahasa Indonesia dan melalui proses review pada Fakultas Pertanian, Universitas Udayana.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 81 Documents
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Evaluasi Potensi Lahan untuk Pengembangan Beberapa Jenis Tanaman Hortikultura Berbasis SIG (Sistem Informasi Geografis) pada Subak di Kecamatan Denpasar Utara Kota Denpasar Provinsi Bali Josua Sintong Martin Hutauruk; Ni Made Trigunasih; I Nyoman Dibia
Nandur Vol 1 No 2 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

This study aims to determine the actual and potential land suitability, limiting factors, provide land use direction and create a land suitability map for horticultural crops in North Denpasar District. This study uses field survey methods, soil analysis at the Laboratory of Soil and Environmental Sciences, Faculty of Agriculture, Udayana University, and the matching method. Observation of sample points was carried out by purposive sampling in each subak. Sampling was carried out to a depth of 30 cm. The results showed that the actual land suitability class for horticultural crops (sweet potato, potato, chili, tomato and eggplant) was classified as S3 (marginally appropriate) to N (not suitable) with the limiting factors being temperature, rainfall, N-total, K2O, and erosion hazard. Improvement efforts can be made by giving organic matter, giving Urea and KCl fertilizer. Potential land suitability classes for horticultural crops are classified as S3 (marginal appropriate) to N (not suitable), with temperature and rainfall limiting factors. The types of plants recommended for Subak Dalem, Kedua, Lungatad, Pakel II, Petangan, Ubung, and Sembung are sweet potatoes, chilies, tomatoes, and eggplants. The types of plants recommended for subak Pakel I are chili, tomato, and eggplant.
Analisis Perubahan Penggunaan Lahan di Kota Denpasar dengan Metode NDVI (Normalize Difference Vegetation Index) Fadilah Triani Putri; Ni Made Trigunasih; Putu Perdana Kusuma Wiguna
Nandur Vol 2 No 2 (2022)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

Denpasar City is the capital city of Bali Province with a recorded population of 739,000 people in 2010. In 2020, the population will increase to 962,900 people, with a population increase of 1.01% per year.increase in population will have an impact on increasing the Impervious Surface Area (ISA) or watertight artificial structures, for example the area of built-up land. This land use change affects the green land cover in the Denpasar City area, so it is necessary to analyze land use changes in 2010 and 2020 using the Normalize Difference Vegetation Index. In 2010, the land cover for very dense class was 1795.43 ha, with dense land cover 2672, 85 ha, moderately dense 3520.59 ha, not dense 3749.36 ha and no vegetation 784.79 ha. In 2020, the land cover for very dense class is 1708.26 ha, with dense land cover 2287.99 ha, moderately dese class is 3326.15 ha, not dense 4519.29 ha and no vegetation 682.08 ha. The results of the NDVI analysis showed the highest land cover increase, namely the not dense class is 769.93 ha with the dominant land cover being residential or built-up land. This land use change occurs due to the increasing population of Denpasar City.
Dampak Pengembangan Objek Wisata Kawah Ijen Terhadap Peningkatan Kesejahteraan Petani I Kadek Putri Widhiantari; I Nyoman Gede Ustriyana; I Made Sudarma
Nandur Vol 1 No 1 (2020)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

Abstrak
Sistem Informasi Subak Berbasis Web GIS (Geography Information System) dalam Menunjang Pertanian Berkelanjutan di Kecamatan Kediri, Kabupaten Tabanan Ni Made Trigunasih; Anak Agung Istri Agung Pramesti; Nyoman Bintang Kartika Sari; Prananda Yogathama Pribadi
Nandur Vol 1 No 4 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

Subak is defined as a customary law community that has socio-agrarian-religious characteristics. One of the subaks in the Bali area is the subak in Kediri District, Tabanan Regency. This Subak does not yet have the latest information data on sustainable food agriculture. Subak in Kediri District, Tabanan Regency is a subak of LP2B (Sustainable Food Agricultural Land). Subak rice fields, data, and information on subak resources have not been mapped spatially. The subak information system was built using geospatial data obtained through participatory mapping in the field and field surveys. Data from the field was digitized using google satellite imagery through the QGIS application so that the area of each subak was obtained as well as information in the form of a subak database. The results of this analysis will become a database by uploading the data to the internet with the help of the Google Maps Api program. The attributes that will be included in the system include: (1) land resources, consisting of subak identity and land suitability; (2) human resources, consisting of the name of the farmer group, the total number of farmers, the number of sharecroppers, the number of owner farmers, land ownership and names of field extension officers, farmer education; and (3) agricultural resources, consisting of data on plant types, cropping patterns, planting times, types of fertilizers, fertilizer doses, rice varieties, origin of rice seeds, pests and marketing.
Evaluasi Status Kesuburan Tanah Pada Penggunaan Lahan Sawah di Subak Kecamatan Denpasar Utara Berbasis Sistem Informasi Geografis (SIG) Risky Novelin Simatupang; Ni Made Trigunasih; I Dewa Made Arthagama
Nandur Vol 1 No 3 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

This study aims to determine the status of soil fertility in subak land, North Denpasar District, to determine the limiting factors, and to provide direction on soil fertility management actions. This research was conducted by field survey method and soil test method carried out in the Laboratory of Soil and Environmental Sciences, Faculty of Agriculture, Udayana University. The chemical properties analyzed were Cation Exchange Capacity (CEC), Base Saturation (BS), P-total, K-total, and C-organic. The results showed that soil fertility in North Denpasar District there are two soil fertility statuses, namely high fertility status (T) in SLH I (Subak Sembung and Subak Pakel I), II (Subak Lungatad and Subak Kedua), and IV (Subak Petangan and Subak Subak Ubung) and medium fertility status (S) in SLH III (Subak Pakel II and Subak Dalem). The limiting factor is the low P-total value. Based on the results of the study, it can be suggested land management by adding fertilizers containing P in the form of single fertilizer or compound fertilizers.
Peran Pertanian Terhadap Pendapatan Rumah Tangga Petani Subak Sembung Kota Denpasar Saat Pandemi Covid-19 Kadek Ratih Maha Asri; Dwi Putra Darmawan; Gede Mekse Korri Arisena
Nandur Vol 1 No 1 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

Urban agriculture has an important role in providing a source of family income. One of the subaks in urban areas that is still producing is the Sembung Subak, which is located in Peguyangan Village, North Denpasar District. The purpose of this study was to determine the profile of urban agricultural enterprises in Subak Sembung, Denpasar City, to determine farm income in urban agriculture and farm households in Subak Sembung and to determine the role of farming in urban agriculture on farm household income. The samples of this study were 66 farmers who were taken from 8 munduk in Subak Sembung. This type of research is descriptive quantitative. The variables observed in this study were cash receipts, cash and non-cash variable costs, fixed costs and equipment depreciation costs. The results showed that most of the farmers were still of productive age with the main job as farmers. The average farm income in Subak Sembung for 2020 was IDR 27,082,103/year. Based on the R/C value obtained> 1, it can be concluded that all commodities cultivated by farmers are efficient. The average farm household income is IDR 51,606,864/year. The contribution given from farming to total farm household income is 46.9%, it can be concluded that agriculture in Subak Sembung plays a role in household income. During the Covid-19 pandemic, the income of farmers who cultivated rice in Subak Sembung did not experience significant changes, while for vegetable farmers, there was a change due to decreased purchasing power.
Stimulasi Tunas Eksplan Kalus Cendana (Santalum album L.) Secara In Vitro dengan 2-Isopentenyladenine (2-iP) Ida Ayu Sri Dewi Adriani; Rindang Dwiyani; Ida Ayu Putri Darmawati
Nandur Vol 2 No 1 (2022)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

Sandalwood (Santalum album L.) grows naturally in Indonesia, especially in Nusa Tenggara Timur area and this is one of 22 Santalum genus species in the world. Aim of the study is to determine the effect of 2-iP and the best concentration of 2-iP to stimulate callus explant shoots of Santalum album L. This studies carried out from September 2019 up to February 2020, the explants used were callus from bud culture from previous studies. The explants were planted at the Tissue Culture Laboratory, Faculty of Agriculture Udayana University Pulau Moyo street, Denpasar. This study used a completely randomized design (CRD) with 5 treatments, namely: (2-iP 0.0 ppm, 2-iP 0.5 ppm, 2-iP 1.0 ppm, 2-iP 1.5 ppm, 2-iP 2.0 ppm). The results showed that the addition of ZPT 2iP on WPM + 0.01 ppm NAA had a significant and very significant effect on the number of shoots, number of leaves and shoot length and had no significant effect on the emergence of shoots. The M1 treatment (WPM + 0.01 ppm NAA + 0.5 ppm 2-iP) showed the fastest time (1,55 MST) for the emergence of shoots on sandalwood callus explants. Treatment without the addition of zpt 2-iP (M0) could increase the number of shoots (2.87 pieces), number of leaves (5.59 strands) and shoot length (1.64 cm).
Studi Komparasi Jenis Pelarut Ekstraksi terhadap Kandungan Fitokimia Daun Tanaman Kubis Ungu Hengky Surya Bhuana; Made Sritamin; I Gede Putu Wirawan
Nandur Vol 1 No 4 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

Red cabbage is a plant that is rich in antioxidant, one of its secondary metabolites, antosianin that gave the purple color on red cabbage has multiple health effects for human such as preventing cancer, tumor, and many more. The use of this secondary metabolites in plants nowadays is very popular, not only for its pharmacological effects, but also as an antibacterial, coloring agent, flavoring agent, natural pesticide, etc. Therefore, this study is needed to look for another potentially benefical compound in the plant, such as red cabbage, a plant that is more than just a salad. The aim of this study was to determine the effect of the types of extraction solvents on phytochemical compound of red cabbage plant leaves. The dried off plant macerated with two kinds of solvents, aquades, and ethanol. After about +3 days, both of the extract got evaporated with rotary evaporator. The yields of evaporating will be tested with GCMS analysis. The result showed that kind of extraction solvents do affect the yield from evaporating, and GC-MS analysis. Aquades showed to have a better capability in both of extraction, or on the analysis with GC-MS.
Evaluasi Kualitas Tanah Sawah di Kecamatan Denpasar Utara Berbasis Sistem Informasi Geografis Boy Fernando Sagala; I Dewa Made Arthagama; I Wayan Narka
Nandur Vol 1 No 2 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

This study aims to determine the quality of paddy soil, to determine the limiting factors of paddy soil quality, to provide land management direction in an effort to improve the quality of paddy fields and to make soil quality maps. This research was conducted in Nort Denpasar District from December 2020 to February 2021. Soil quality evaluation was carried out using field survey methods and laboratory analysis. Soil quality evaluation data analysis was carried out by matching and scoring based on limiting factors of 10 minimum data set (MDS) determinant of soil quality rating (SQR). The results showed that the soil quality in the study location was classified as moderate to good soil quality. Soils with moderate soil quality are found in SLH 3 and SLH 4 while soils with good soil quality are found in SLH 1 and SLH 2. The factor limiting soil quality in the study area is the low N and C-biomass. Based on the results of the study, the management directions at the research location can be determined, namely by adding organic matter, fertilizing urea, setting cropping patterns and applying intercropping.
Evaluasi Status Kesuburan Tanah pada Pertanian Lahan Kering Berbasis Sistem Informasi Geografis di Kecamatan Baturiti Jencristy Gilberd Sitanggang; Ni Made Trigunasih; A.A. Nyoman Supadma
Nandur Vol 2 No 2 (2022)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

Baturiti District is located in the highlands and is one of the largest producers of horticultural agricultural products in Bali Province. productivity of seasonal horticultural crops, namely tomato plants (31,617 tons/ha); chili plants (8,122 tons/ha); Chinese cabbage (61,889 tons/ha). Farmers carry out intensive land management to achieve high production with the addition of chemical fertilizers and pesticides which in the long term can damage the soil and reduce soil fertility. To maintain high production, it is necessary to evaluate soil fertility in dry land agriculture in Baturiti District. The purpose of this study was to determine the status of fertility, as well as to determine the limiting factors of soil fertility, and provide direction for soil management in Dry Land Agriculture, Baturiti District. The research method used is a survey and soil test method with parameters of fertility status including Cation Exchange Capacity (CEC), Base Saturation (BS), organic-C, total-P, and total-K with reference to the Technical Instructions for Evaluation of Soil Fertility Research Center Bogor land. The results showed that the soil fertility status at the study site was classified into three soil fertility statuses, namely, low with an area of 971.88 ha in HLU I (Parean Tengah Village), classified as medium with 1,023.08 ha found in HLU V (Luwus Village), HLU IX (Antapan Village), HLU VII (Candikuning Village), and a height with an area of 3,082.98 ha are located in HLU IV (Antapan Village), HLU II (Antapan Village), HLU III (Baturiti Village), HLU VIII (Bangli Village) ), HLU VI (Angseri Village). Parameters that are limiting factors for soil fertility status are CEC and C-organic so it is necessary to add organic matter such as organic fertilizer, manure, compost, return of plant remains and by applying intercropping cultivation and crop rotation on dry land agriculture. in Baturiti District.

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