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I Wayan Tika
Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Institut Pertanian Stiper Yogyakarta, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Optimasi Pemenuhan Kebutuhan Air Irigasi Pada Budidaya Tanaman Pisang di PT. Nusantara Segar Abadi Jembrana-Bali I Gede Nantan Juliawan; I Wayan Tika; I Gusti Ketut Arya Arthawan
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 10 No 2 (2022): 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.2022.v10.i02.p04

Abstract

The water availability does not meet the water requirement of banana plants has been the main issue causing a non-optimal production. Presumably, it is due to the application of pump power. Therefore, it is necessary to analyze the amount of pump power needed to meet the irrigation water needs. The purposes of this study were to determine the pump power requirement and to design a pump application schedule to meet the irrigation water requirement of banana plants. Primary data is obtained by measuring the available discharge.Secondary data was obtained from BMKG Jembrana Regency. This study employed the principle of water balance. The collected data was then analyzed to determine the amount of power needed when the shortage of water occurred. The results showed that the pump power requirement for each banana cultivation period was 3.1 kW, March-April 5.0 kW, May-June 11.0 kW, July-August and September-October of 16.5 kW, and November-December of 0 kW. The Pump usage schedule at PT. Nusantara Segar Abadi in the January-February period requires one pump unit with an operating time of 0.8 hours, March-April requires one pump unit with an operating time of 6.4 hours, May-June requires two pump units with an operating time of 8, 7 hours, the period of July-August and September-October requires three pump units with an operating time of 10.5 hours and 10.2 hours, and the period November-December does not require a pump.
Efisiensi Penyaluran Air Pada Telabah Aya Dengan Konstruksi Lining Saluran dalam Sistem Irigasi Subak di Kabupaten Badung I Made Hendra Udayana AS.; I Wayan Tika; I Gusti Ketut Arya Arthawan
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 10 No 2 (2022): 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.2022.v10.i02.p07

Abstract

The efficiency of distribution becomes the basis in the distribution of irrigation water in subak irrigation systems. The condition of the distribution efficiency in telabah aya is influenced by the physical condition of the canal, particularly depending on the type of lining canal used. The application of lining canals in Subak, Badung Regency is proof that it has a lot of influence in irrigation distribution. The information on thedistribution efficiency is required for the lining of telabah as a basic reference value in irrigation water distribution. The method used in this study is quantitative surveys and lining observations, and direct measurements of debit variables in telabahaya. Lining observations are based on 30 objects with lining canals in Badung regency. The flow speed measurement was carried out using buoy instruments. The size of the flow cross-section was measured with a roll meter. Measurement of water discharge wasperformed upstream and downstream of telabah aya to get the amount of initial discharge and final discharge as a basis for determining the efficiency of distribution. The lining canal used in telabah aya in Badung Regency is 77% types of stone and l-shapeconcrete as much as 23%. The value of distribution efficiency for telabah aya with stone lining by 75.20% and l-shape concrete type by 93.07%. This difference in efficiency value is due to the lining canal conditions in each telabah aya.
Co-Authors I Gede Nantan Juliawan I Gusti Ketut Arya Arthawan I Made Hendra Udayana AS.