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All Journal Agrotrop : Journal on Agriculture Science Ecotrophic, Journal of Environmental Science E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Agrica: Journal of Sustainable Dryland Agriculture Jurnal Bali Membangun Bali

I Wayan Diara

Program Studi Agroekoteknologi Fakultas Pertanian Universitas Udayana, Jl. PB. Sudirman Denpasar 80231 Bali

Author-ID : 590109

Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Medicine & Pharmacology Public Health Social Sciences Transportation Other

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PREDIKSI EROSI DAN PERENCANAAN KONSERVASI TANAH PADA DAERAH ALIRAN SUNGAI JANGA KABUPATEN KARANGASEM, BALI Jeksen, Julianus; Diara, Wayan; Wiyanti, Wiyanti
AGRICA Vol. 1 No. 1 (2008): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v1i1.476

Erosion prediction on Janga flow river area at Karangasem district used USLE ( Universal Soil Loss Equation ). This research conducted to know the large erosion on Janga flow river area and conservation treatment on unit larger erosion area of permitted erosion to concern on the class of ability area. Based on slope map compilation, used area map and soil variety map on research area was founded L6 unit area. The large erosion predicts on Janga flow river area between 0,829 to 1.109,208 ton/ha/th. Low erosion in area unit 1,3,5,6,7, and 9 located on downstream of the flow river area. Be on the process of erosion on area unit 11 and 13 located on mid-flow river area. High erosion in area unit 14 and 16 located on upper reaches flow river area. Lowest erosion found in area unit 1,3,5,6,7,9,11 and larger erosion of permitted erosion located in area unit 10,13,14,15,and 16 need to soil conservation treatment. Applicable Soil conservation treatment is increasing the density of crops and improve terrace construction and by added used organic substance and cultivation crop

IMPLEMENTASI BIOSISTEM UNTUK PENGOLAHAN AIR LIMBAH LAUNDRY i kadek widiantara; I Wayan Budiarsa Suyasa; I Wayan Diara
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 12 No 1 (2018)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Population growth followed by an increase in laundry activity generates waste if left unchecked will cause damage to aquatic biota. To overcome this need the existence of an environmentally benign laundry water treatment system such as biosystem. Biosystem used in this research with length 180 cm width 60 cm and height 40 cm filled gravel as filter media and elephant grass (pennisetum purpureum) plant. The way of operating the biosystem is by pouring the waste into a tub of biosystem and then samples waste water taken on the biosystem output. The result treatment that biosystems combined with anaerobic reservoirs decreased BOD, COD, phosphate and detergent levels by 127.09 mg/l, 161.96 mg/l, 0.8699 mg/l and 1.3228 mg/l in a single treatment on roughing horizontal flow filter for laundry water treatment. The performance of physical and biological components in biosystems combined with anaerobic reservoir effectively decreased BOD, COD, phosphate and detergent concentrations by 73.91%, 69.58%, 58.74% and 80.03% (above 50%) in one treatment. But only in lowering the effectiveness of phosphate levels is still relatively low when compared with the effectiveness of wastewater quality standards. Further research needs to be done calculations to find plants in biosystems that can thrive. In addition, further research is needed to find the operating time until the biosystem undergoes a breaktrough condition. Keywords: laundry, waste water, biosystem.

ANALISIS POTENSI CADANGAN KARBON UNTUK PENGELOLAAN HUTAN DI TAMAN WISATA ALAM DANAU BUYAN-DANAU TAMBLINGAN Bernadina Paulinda Maku; I Wayan Suarna; I Wayan Diara
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 14 No 2 (2020)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2020.v14.i02.p06

Taman Wisata Alam (TWA) Danau Buyan-Danau Tamblingan one of the forest ecosystems that are rich in biodiversity. The information about carbon stocks stored at the surface of the soil is very important to know in order to improvements can be made to the cultivation technique, plant type selection, and right forest management to maintain and increase carbon stocks. The study aimed: calculating and knowing the factors behind the difference carbon stocks above ground level, litter, and soil at Buyan Lake forest and Tamblingan Lake forest and formulating management strategy of TWA Danau Buyan-Danau Tamblingan for supports increased forest carbon stocks. Whereases the measurements carbon stock at medium, low and high density. To formulate management directives used the SWOT analysis. The result of this study is: carbon stocks in above ground level, litter and soil at Buyan Lake forest smaller than Tamblingan Lake forest, with the following details Buyan Lake forest, was: 613.03 ton/ha, 62.56 ton/ha and 125.443 ton/ha whereas Tamblingan Lake forest was: 768.93 ton/ha, 105.26 ton/ha and 360.711 ton/ha, factors causing differences in carbon stocks at Buyan Lake forest and Tamblingan Lake Forest is the variety of plants that dominate and the human activity. Management strategy of TWA is: provide assistance to the community to proposing Izin Pengusahaan Pariwisata Alam (IPPA), facilitated indigenous villages to gain recognition of customary forests and formulated awig-awig as local wisdom in management of TWA Danau Buyan-Danau Tamblingan. Keywords: Carbon stock; Forest management strategies; analysis SWOT; TWA Danau Buyan Danau Tamblingan.

PERFORMANCE AND HOTELS WASTE MANAGEMENT STRATEGIES IN TOURISM REGION OF UBUD BALI I Wayan Adiputra Gunawan; Made Sudiana Mahendra; I Wayan Diara
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 12 No 1 (2018)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

ABSTRACT PERFORMANCE AND HOTELS WASTE MANAGEMENT STRATEGIES IN TOURISM REGION OF UBUD BALI The aim of this research was to know performance and formulate waste management strategies by star hotels in Ubud Tourism Region. Based on the result of the research, there were 2 hotels (14,28%) with very good classification, 6 hotel (42,86%) with good classification, 3 hotel (21,43%) with moderate classification and 3 hotels (21.43%) with poor classification. The strategy formulated to improve the effectiveness of hotels waste management especially for those for moderate and poor was by conducting analysis of internal factors (IFAS) and external factors (EFAS) which then analyzed with SWOT matrix. Based on the result of SWOT analysis using balance score card, it was found that the star hotel waste management condition which was in moderate category and poor was in quadrant III. This condition indicated that the strategy formulated in the combination of weakneas and opportunities. The formulation of strategy based on SWOT Analysis matrix were as follows: (1) Developing SOP of waste management by referring to the legislation in the environmental; (2) Improving and adding components of waste treatment facilities (WWTP, chimneys, and hazardous waste storage to meet technical standards; (3) Socializing waste management policy to all hotel employees; (4) Apply to the government waste management training for staff / human resources engineering division; and (5) Reporting the performance of the waste management system to the Gianyar Regency Environmental Office every 3 months. Keywords : Performance; Waste, Management Strategy, IFAS, EFAS, and SWOT Analysis

PENGARUH PUPUK ZA DAN KOMPOS TERHADAP KANDUNGAN Pb, Zn, Cu DAN N TANAH SERTA HASIL TANAMAN PADA SISTEM BUDIDAYA BAWANG MERAH DI TEPI DANAU BATUR, KINTAMANI, BANGLI Shinta Lestari Santosa; I Nyoman Rai; Wayan Diara
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 14 No 2 (2020)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2020.v14.i02.p03

Vegetable cultivation is livelihoods for side Lake Batur communities, Kintamani, Bangli. Hilly natural conditions with a soil texture influenced by the eruption of Mount Batur, 900 m above sea level, and 900-3500 mm high rainfall, causing this region is very suitable for the cultivation of various vegetables, including shallot. One effort to meet the high demand for shallots is that efforts are made to improve cultivation techniques, including fertilizing to improve yields. In modern agriculture, the use of fertilizer is absolutely essential to trigger the level of crop production. The aims is to analyze the combination effect of using of inorganic fertilizer (ZA fertilizer) and organic fertilizer (compost fertilizer) on shallot vegetable cultivation systems on the content of pollutants, N nutrients and onion crop yields on the shores of Lake Batur, Kintamani District, Bangli Regency. The study using RBD with two factors where factor I: provision of organic fertilizer is leaf compost made aerobically (O), consisted of 3 levels, namely: O0 = 0*, O1 = 5* and O2 = 10*and factor II: the application of inorganic fertilizer namely ZA (S) fertilizer, consisted of 3 levels, namely: S0 = 0**, S1 = 50** and S2 = 100**, each repeated 3 times. The parameters observed were the growth and yield of shallots as well as the content of Pb, Zn, Cu and N nutrients in the soil. The nutrient content (N) in the soil, when using chemical fertilizer ZA and compost organic is not significantly different, as well as the results of onion plants, while the content of Pb, Zn and Cu on the use of chemical fertilizer ZA and organic compost, very real different. The highest soil Pb content in S2O1 treatment is 30.07***, the highest soil Zn content in the S2O1 treatment was 28.24***, and the highest soil Cu content in the S1O2 treatment is 17.22***. *= tons/ha **= kg/ha ***= mg/kg Keywords: compost; contents Pb; Zn; Cu of soil; shallot; ZA.

Evaluasi Kemampuan Lahan dan Arahan Penggunaan Lahan di DAS Yeh Ho Kabupaten Tabanan CALVIN ALDIATMA SANTOSA; MADE SRI SUMARNIASIH; I WAYAN DIARA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.4, Oktober 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Evaluation of Land Capability and Direction of Land Use in the Yeh Ho Watershed Tabanan Regency Yeh Ho watershed is a type of continuous river with the characteristics of being able to flow water throughout the year and in its upstream there are still many seasonal cultivation activities and permanent buildings, this can trigger landslides and erosion due to varying slopes and heights. The purpose of this study was to determine the land capability class, land use directions and appropriate management actions so that the watershed function remains sustainable. The methods used are surveys and field observations, and laboratory analysis to measure the parameters of the physical and chemical properties of the soil. Land capability is determined based on the results of soil analysis in the field and laboratory, and the direction of land use is determined based on rainfall, slope and soil type. The results of the study were in the land capability class IIe, IIIe, IVe-s-g, VIe-g. From the results of direction of land use, that the Yeh Ho watershed can be directed to four types of land use, namely annual cultivation, protected areas, buffer areas, and seasonal cultivation because the score for calculating land use directions is in the range of 60-175. The recommended land use as management actions are annual crop cultivation (units 1, 5, 7, and 8), high density mixed gardens (units 2, 3, 11, and 12), high density mixed forest gardens (units 4, 9, and 10), area annual crop cultivation (units 6 and 13).

Fitoremediasi Air Irigasi Menggunkan Tanaman Eceng Gondok (Eichornia Crassipes) dan Teratai (Nymphae sp.) di Subak Sembung Kelurahan Peguyangan Denpasar Utara AGUS FRENCA ADI PUTRA; I WAYAN DIARA; WIYANTI WIYANTI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.2, April 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (299.254 KB)

Phytoremediation of Irrigation Water Using Water Hyacinth Plant (Eichornia Crassipes) and Lotus Plant (Nympae sp.) in Subak Sembung Peguyangan Village, North Denpasar Subak Sembung Peguyangan village, north Denpasar has an area of 115 ha. Agrochemical use and land use change threatens the quality of irrigation water This research aimed to determine the quality of irrigation water in which the research had conducted from August to December 2015. The physical, chemical and biological qualities of the irrigation water analyzed through sampling the water gradually then the result was being compared to water quality standard in accordance with regulation Peraturan Gubernur Bali No. 8 Tahun 2007. The result showed that the irrigation water is contaminated with heavy metal Cadmium (Cd). The physical qualities of irrigation water was indicated by total value of TSS (0.60 mg/l) and TDS (270 mg/l), the chemical qualities was indicated by the value of pH (7,21), BOD (3,875 mg/l), COD (9,996 mg/l), and Pb (0,0345 mg/l) and the biological qualities of irrigation was indicated by Total Coliforms (150/100 ml). These three qualities is still below the quality standard. Treatment of water hyacinth and lotus show a downward trend in the value of Cadmium (Cd) and chromium (Cr) and the trend is increasing the value of BOD and COD. The result of using water hyacinth plant (Eichornia Crassipes) produces revealed better irrigation water quality than lotus plant (Nympae sp.).

Analisis Kondisi Daerah Resapan Air Kecamatan Sukasada Kabupaten Buleleng Menggunakan Sistem Informasi Geografis NURLELY LAMPITA PANDIANGAN; I WAYAN DIARA; TATI BUDI KUSMIYARTI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.3, Juli 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Analysis of Watersheds Condition in Sukasada District, Buleleng Regency Using Geographic Information System Water catchment areas are areas where water is released into the soil. The research area has various determinants of water absorption conditions to allow the conditions of the water catchment area to vary. This study aims to determine the state of the water catchment area in Sukasada District and draw up a map of the water catchment area in Suksada District. This research was conducted from July 2020 to October 2020. The method used in this study was the evaluation and overlay using the Geographical Information System. The required parameters are soil type, land use, slope, and precipitation. The results showed that the status classes of the catchment areas were good, naturally normal, critical, somewhat critical, and very critical. The water infiltration status in the study area was dominated by the natural normal class with 3,972 ha (32%), followed by very critical classes with 3,906 ha (24%), more good classes with 3,584 ha (21%), the critical class with 2,165 ha (13%) and the smallest, the somewhat critical class with 1.808 ha (10%).

Aplikasi Sistem Informasi Geografi (SIG) untuk Kajian Fluktuasi Muka Air Tanah dan Karakteristik Akuifer di Kecamatan Denpasar Utara, Kota Denpasar I GUSTI AYU ADE TEJASTINI; I WAYAN DIARA; I NYOMAN DIBIA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.2, April 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (572.442 KB)

Aplication Geographic Informastion System (GIS) for Study of Ground Water Fluctuations and Characteristics of Aquifers in the District of North Denpasar, Denpasar City The use of water in everyday life is very influential on the pattern of water use available. Ground water is water located on rock is layer below the water is surface. The study was conducted in North Denpasar District, Denpasar City from November 2018 to March 2019. The method used is a survey method, purposive sampling method and descriptive quantitative. The results of the study is ground water fluctuations are ??between 0 m - 5 m and 5 m - 10 m. Distribution of the depth of the ground water in the North Denpasar District which varied greatly in the dry season between 4,5 m – 22,1 m and in the rainy season between 5,1 m – 21,6 m. Ground water fluctuations in the study area are ??between 0 m - 5 m and 5 m - 10 m. The direction of ground water flow in North Denpasar District is predicted flowing to west, south west and to south but leaning more to the southwest. Characteristics of aquifers in North Denpasar District is classified as good aquifers with rock constituent material consisting of sand tuff, sandstone and clay sand which can potentially store and drain water.

Analisis Kinerja Daerah Aliran Sungai Unda Berdasarkan Indikator Penggunaan Lahan dan Debit Air NI NYOMAN ARI PUTRI MURTIYAH; I NYOMAN SUNARTA; I WAYAN DIARA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.2, April 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (212.216 KB)

Analysis of Unda Watershed Perfomanced Based on Land Use and Water Discharge Indicators The Unda watershed has experienced a decline in forest area, a decline in water catchment areas, an increase in residential areas and is known to have potential flooding. If the function of a watershed is disrupted, the hydrological system will be disrupted. The purpose of this study was to analyze changes in land use, water discharge and to know the performance of the Unda watershed which includes the precentage of vegetation cover, coefficient of flow regim and annual flow coefficient. The research method is descriptive comparative, by comparing the two parameters, namely the land use and water discharge in 2007, 2011 and 2016. The results showed that land use in Unda watershed were dominated by fields, forests, paddy fields, gardens, shrubs, settlement and open field. During the 2007-2016 period, the highest water discharge occurred in November 2016 amounting to 7.78 m3/sec while the lowest water discharge occurred in March 2011 amounting to 1.72 m3/sec. The results of watershed performance analysis based on indicators of percentage of vegetation cover indicate that the Unda watershed is at a medium level of damage and tends to deteriorate with a range of values ??of 41.42 - 22.63%, while in the flow regime coefficient indicator and annual flow coefficient, indicates that the Unda watershed is at a medium level of damage. The flow regime coefficient value of the 2007-2016 period is at a value of 9.81 - 1.65, then the annual flow coefficient value is at the value of 0.17 - 0.36%. Further research needs to be done regarding the assessment of watershed performance based on other indicators so that the performance of the Unda watershed is known from all aspects.

Co-Authors AGUS FRENCA ADI PUTRA Anak Agung Istri Kesumadewi Ardana, Made Putra Eka Astika, I Komang Putra Bernadina Paulinda Maku CALVIN ALDIATMA SANTOSA DEBORA TIENCICIA NAPITU GEDE WIJANA Gusti Ngurah Alit Susanta Wirya I Dewa Gede Raka Sarjana I DEWA MADE ARTHAGAMA I GEDE ADHI IRAWAN I GUSTI ALIT GUNADI I GUSTI AYU ADE TEJASTINI I Gusti Ayu Mas Sri Agung I Kadek Widiantara I MADE ADNYANA I Nengah Muliarta I Nengah Muliarta, I Nengah I Nyoman Dibia I NYOMAN RAI I NYOMAN SUNARTA I W BUDIARSA SUYASA I Wayan Adiputra Gunawan I WAYAN NARKA I Wayan Suarna I Wayan Susila IDA BAGUS PUTU BHAYUNAGIRI Jeksen, Julianus M. Sudiana Mahendra MADE SRI SUMARNIASIH Made Sudiana Mahendra, Made MOHAMMAD RAJU BELLY DALIMUNTHE NI NYOMAN ARI PUTRI MURTIYAH NI PUTU EKA APRIASTUTI NI WAYAN MAYA SARI NURLELY LAMPITA PANDIANGAN Pradnyani, Gusti Ayu Manik PUTU EKA CAHYADEWI R. Suyarto Shinta Lestari Santosa Tati Budi Kusmiyarti WINDA ARDY DWIASTUTI WIYANTI WIYANTI Yoga Yuniadi

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