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I Made Anom S. Wijaya
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Analisis Kebutuhan Air Dan Finansial Tanaman Krisan (Chrysanthemum Sp.) Dengan Metode Guludan Dan Pot I Gede Ngurah Salpatira Widayana; I Wayan Tika; I Made Anom S. Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 1 (2019): April
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2019.v07.i17.

Abstract

Chrysanthemum flower (Chrysanthemum sp.) are one of the ornamental plants produced as cut flowers. Chrysanthemum cultivation usually uses the bund method, but nowadays chrysanthemum cultivation has develoved using the pot method. The development of two methods of cultivation resulted in differences in the plant water requirements and financial in each methods. Therefore it is necessary to conduct research to analyze the plant water requirement and the financial feasibility of each method. The purpose of this research are to : (1) determine the difference of water requirement level on the cultivation of chrysanthemum flower using the method of bund and pot, and (2) analyze the finance feasibility on cultivation of chrysanthemum flower with both methods. The treatment of this research are : cultivation of chrysanthemum flower with bund method and cultivation of chrysanthemum flower with pot method. In each method analyzed plant water requirements (ETc) and financial feasibility. The analysis of financial feasibility used in this research is NPV, IRR and BCR. Total requirement of chrysanthemum flower water with bund and pot method are 1056,72 ml/plant and 866,64 ml/plant, while the average daily water requirement is 19,57 ml/day, and 16,05 ml/day. The financial feasibility result of this are NPV on bund method as much as Rp.5.687.537,35 is smaller than the pot method which is worth Rp. 12.627.709,99. IRR from the bund method with percentage 15% smaller than pot method with the percentage of 18%. The BCR analysis of the bund method yields 1.51 which is smaller than the pot method which yields 1.63. although both methods of chrysanthemum flower cultivation are said to be feasible, but the pot method is more advantageous than the method of bunds in financial terms.
Perancangan Alat Distribusi Ikan Segar Menggunakan Media Pendingin Ice Pack untuk Pedagang Ikan Keliling Nyoman Dhira Prayasa; I Wayan Widia; I Made Anom S. Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 2 (2019): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2019.v07.i02

Abstract

Research on fresh fish distribution tool using ice pack as cooling media for small-scale fresh fish retailer was conducted. The research aimed to design fresh fish distribution system for small- scale fresh fish retailer which can maintain the quality of fresh fish during transportation. This research was carried out through several stages, i.e. identification of needs, functional design, structural design and performance test. Fresh fish distribution tool using ice pack as cooling media for fresh fish small - scale retailer consisted fish storage room, fish storage room cover, ice pack, rack and fish storage stand. Performance test was carried out by observing the room temperature of fish storage room in unloaded condition and fish temperature during 4 hours transportation, determining the coefficient of performance (COP) value and observing the fish quality during trans portation with organoleptic test. The result showed that the room temperature of fish storage room in unloaded condition could reach-12.3 0C after 24minutes operation and maintain temperature with 5 0C upper limit for 14,3 hours, the distribution toolusing ice pack as cooling media could maintain the fish temperature with 5 0C upper limit for 32.03 hours and organoleptic quality values before transportation, after transportation and after 12 hour storage were 8.0, 7.4, and 6.2. Values of COP was 0.67. This result has fulfilled the requirement of fish quality standard according to national standardization institution.
Pendugaan Intensitas Serangan Penyakit Blas pada Tanaman Padi Melalui Pendekatan Citra NDVI (Normalized Difference Vegetation Index) I Made Prasetia Candra Andika; I Made Anom S. Wijaya; Ida Bagus Putu Gunadnya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 2 (2019): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2019.v07.i24

Abstract

Blast is one of disease that is dangerous for rice plants. This disease can attack in every phase of growth. Calculation of the intensity of blast disease attacks is still done manually. Technology development is needed in estimating the intensity of blast disease attacks through NDVI imagery. This study purpose (1) to get the best NDVI aerial photo altitude, (2) to get the age of rice plants with the highest attack intensity of blast disease, (3) to get a relationship between the intensity of blast disease and the NDVI value of rice plants. This study use Drone DJI Phantom 4 with lens NDVI. Processing data using Web Drone Deploying and Arc Gis 10.3 software. Based on the analysis results, the best detail of 200% zooming results obtained altitude of the NDVI image acquisition that is 20 m with pixel density of 1,4732 cm/pixel. The highest intensity of blast disease attacks occurs at the age of 98 days after planting. The relationship between the intensity of blast disease and NDVI value has a determination coefficient of 0.986. The regression equation obtained in this study is y = -23345x3+ 21191x2-6416,8x + 665,07 with an estimated accuracy of 91,74%
Co-Authors I Gede Ngurah Salpatira Widayana I Made Prasetia Candra Andika I Wayan Tika I Wayan Widia Ida Bagus Putu Gunadnya Nyoman Dhira Prayasa