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All Journal Jurnal Penelitian Pertanian Terapan PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat TEKTAN
I Gde Darmaputra
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences

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 1 
Evaluasi Kinerja Saluran Primer Pada Jaringan Irigasi Bendung Argoguruh Wilayah Adipuro Tegineneng Lampung Tengah Yuni Laras Setyawati; Iskandar Zulkarnain; I Gde Darmaputra
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 6 No 3 (2014)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v6i3.837

Abstract

The primary channel of Argoguruh  located in Central Lampung regency. Argoguruh weir has two primary channels which is named  by Kanal One  and Kanal Two.  The decreasing performance and damage occurs with increasing age of the building. The purpose of study is to determine the performance of the primary channel Kanal One on Argoguruh weir irrigation network. Total length of the Cannal One on this study is about 9 km, which is measured from intake to distribution box on channel segmen KH2.  The method of research is conducted by direct observation in the field with determine the velocity, the dimensions of the existing primary channel and sedimentation volume. The secondary data like as the channel dimensions, discharge plans, schemes of irrigation networks, rainfall data, and climatology were collected to support for hydrologic analyst. The rainfall data and climatological data are used to calculate the water needed for irrigation , than the value of the water needed is used to calculate water discharge plan that will be used as a comparison to the existing discharge channel. The results of this study showed the water discharge in existing channel of 32.17 m3/s was able to drain the water in accordance with the discharge plan for 31.64m3/sec. The volume of sediment in the primary channel as 49344.55m3, the potential for sediment deposition during the year amounted to   471.62mm /yr, loss of water in the channel is about 0.12% and the efficiencies of primary channels is about  99.88%.Keywords: performance evaluation, primary channel, Argoguruh,
Rancang Bangun Irigasi Tetes Emiter Tali untuk Budidaya Semangka (Citrullusvulgaris) Muhammad Idrus; I Gde Darmaputra; Surya Surya
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 6 No 3 (2014)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v6i3.851

Abstract

The research was conducted at the Research Field of Lampung State Polytechnic, Bandar Lampung from August to November 2014.  The objectives of the research ware: (1) to designing of the drip irrigation with plastic rope emitter for watermelon cultivation; (2) to determining the hydrolic criteria of  the drip irrigation with plastic rope emitter for water melon cultivation; and (3 ) to  testing  the performanses of the drip irrigation with plastic rope emitter which are water storage efficiency, water distribution efficiency and water produktivity of water melon.    The result of the research showed that the drip irrigation with plastic rope emitter with 2, 3, and 4 cm length of emitter given flow rate of 7.205, 6.40, and 2.790 l/s respectively on the operation pressure of 0,15 atm. The size of 1 sub block the drip irrigation with plastic rope emitter is 15 m x 50 m for minimize pressure variation in the sub block.  The diameter and length of manifold pipe are 25 mm and 15 m, but the lateral pipe are 13 mm and 50 m. The diameter of main pipe depend on amount of the sub block   irrigated on once time irrigation. Total dynamic head for two sub blocks  irrigated is 3,44 m head and  pump capacity minimal 1,02 l/s.  The water storage efficiency, water distribution efficieny of the drip irrigation with plastic rope emitter were 100% and 87,73%.  The water melon production on the the drip irrigation with plastic rope emitter was 5,83 kg/plant was not significant different compared to furrow irrigation method was 5,64 kg/plant.  But irrigation water productivity of watermelon was significant different between of them. Water irrigation productivity of water melon by the drip irrigation with plastic rope emitter of 133 kg/plant was higher than the furrow irrigation method of 59 kg/plant.  Amount of iririgation water application on water melon cultivation by the the drip irrigation with plastic rope emitter was only 44 l/plant, but the furrow irrigation method was higher of 96 l/plant.  There for the amount of water  irrigation can be conserved on water melon cultivation by the drip irrigation with plastic rope emitter was 54%  compared to the furrow irrigation method. Keywords: drip irrigatoin, furrow irrigation, pressure operation emitter, flow rate, water melon, production, water storage efficieny, water distribution effiency, and irrigation water productivity.
Rancang Bangun dan Aplikasi Irigasi Tetes Bawah Permukaan Emiter Serabut Kelapa untuk Budidaya Kol Bunga (Brassica oleracea botrytis L.) Dataran Rendah I Gde Darmaputra; Muhammad Idrus; Surya Surya
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 6 No 1 (2014)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v6i1.859

Abstract

The research purposed to design and application of coconut fiber emitter of sub-surface drip irrigation for low land cabbage plant, to determine thickness of coconut fiber emitter that good  application for cabbage plant, to measure sub surface-drip  irrigation performance that are emitter discharge, wetted area diameter, water use, production and  water productivity. This research conducted at State Polytechnic of Lampung from June to November 2013. The results showed that coconut fiber emitter of sub-surface drip irrigation can be applied to  cabbage plant. Thickness of coconut fiber emitter that good application for cabbage plant was 15 mm with 10 mm fasteners diameter. Water use of cabbage plant with application of coconut fiber emitter of sub-surface drip irrigation was 0.081 m3 per plant, 38% more efficient than kettle (gembor) irrigation (0.131 m3/plant). Water productivity with coconut fiber emitter of sub-surface drip irrigation was 3.58 kg/m3, 67% more higher than kettle irrigation  (2.15 kg/m3). Keywords: design, application, coconut, emitter, drip,  irrigation, cabbage.
Optimasi Luas Petak Distribusi Irigasi Terputus-Putus Untuk Padi Sawah Pada Daerah Irigasi Air Tanah Dangkal Muhammad Idrus; I Gde Darmaputra; Andy Eka Saputra
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 12 No 1 (2020)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v12i1.1669

Abstract

The research was conducted in rainfed paddy  field at Cisarua Village, Natar  Sub District, Lampung Selatan Region to find out the area of plot distribution irrigation water to obtained the maximum area will be irrigated and the maximum net income. The treatment of intermittent irrigation are the intermittent irrigation with area plot distribution of water irrigation of 1,000 m2, 2,000 m2, 3,000 m2, 4,000 m2, and  5,000 m2. Preparation of seedling for the intermittent irrigation treatment using paddy field.   The treatment the intermittent irigation were using transplanting of 1 young seedling (18 days after seeding) at wider space 22 cm x 22 cm with range legowo 5:1. The results of these research showed that the total amount water application for plowing, harrowing, and leveling namely 656 m3/ha, but for growing paddy plant namely 626 m3/ha for each apply water irrigation.  Icreasing the area plot distribution of water irrigation so that the area paddy field will be irrigated also increase with the same of pumping discharge.  The maximum area paddy field can be irrigated with pumping capacity of ground water of 1,243 l/dt namely 1.1 ha with combination 2 plot distribution water irrigation with size 4.000 m2 each and 1 plot distribution water irrigation with size 3,000 m2 per planting season and obtained the maximum net income of Rp 19,414,333.   The average paddy prodcution obtained 7,366.7 kg/ha with amount water irrigation application 3.782 m3/ha. The Water irrigation productivity and the total water productivity of 1.95 and 0.91 kg/m3 repectively. Keywords: irigasi intermittent irrigation, amout water irrigation application, maximum area can be irrigated, maximum net income, production and water productivity.
Kajian Waktu Irigasi pada Tanaman Selada (Lactuva Sativa) Organik Untuk Budidaya Tanaman dengan Naungan dan Tanpa Naungan di Yayasan Bina Sarana Bakti Cisarua Bogor Desi Novalia; Muhammad Idrus; I gde Darmaputra
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 12 No 2 (2020)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v12i2.1901

Abstract

The Bina Sarana Bakti Foundation (YBSB) implements an organic farming system, which is an agricultural management system with a terrace design with permanent beds that can ecologically (environmentally) improve land quality, provide stable and sustainable yields and income into the future. To provide water for plants so that organic farming can take place throughout the season, both in the rainy season and in the dry season, water reservoirs are built using existing water sources. Utilization of water in the cultivation of organic lettuce at the Bina Sarana Bakti Foundation is carried out with 2-level irrigation hose treatment, namely the interval of providing irrigation water for 3 days and 4 days. Data analysis used t test at 5% real level. The results showed that the theoretical amount of water for lettuce at the Bina Sarana Bakti Foundation was 714 l/bed/season which was almost the same as the actual water use of lettuce with an interval of 3 days of irrigation water including additional liquid fertilizer from rabbit urine. + water in open land in shade is 720 l/bed/season, however, it is much lower than the interval of providing irrigation water for 4 days in open land without shade, namely 4,980 l/bed/season. The production of lettuce in shade with an interval of 3 days of 30.4 kg/bed/season was much greater than the production of lettuce without shade with an interval of 4 days of irrigation water, which was only 24.7 kg/bed/season. The productivity of irrigation water for shaded lettuce with the provision of irrigation water at an interval of 3 days of irrigation is 42.22 kg/m³, much higher and more effective than lettuce without shade with an interval of 4 days of irrigation which is only 4.96 kg/m³. Keywords: irrigation time interval, lettuce plants, no shade, shade, and water productivity.
Deteksi Zona Rawan Tsunami Pesisir Kota Bandar Lampung Menggunakan Data Geospasial Berbasis Sistem Informasi Geografis Iskandar Zulkarnain; I gde Darmaputra; Aniessa Rinny Asnaning
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 12 No 3 (2020)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v12i3.1933

Abstract

The Bandar Lampung coastal area naturally has the potential of a tsunami hazard. Historically the coastal area of Bandar Lampung City had been hit by a tsunami with a height of 10-30 meters in 1883 when the eruption of Mount Krakatau occurred. The partial collapse of Mount Krakatau, which occurred at the end of 2018, also had a tidal wave impact as high as 1-2 meters in the Bandar Lampung coastal area. This study aims to produce Thematic Maps of Tsunami Hazard Zones in the Coastal Areas of Bandar Lampung City as a source of information for the community and stakeholders. The method used is spatial analysis with GIS through the overlay method. The result shown that eight sub district in Bandar Lampung City are prone to tsunami hazards with risk categories up to very high risk categories.
A Pemanfaatan Air Sumur Bor Dangkal Dengan Sistem Irigasi Alur Untuk Padi Gogo di Lahan Tegalan Pada Musim Kemarau I gde Darmaputra
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 13 No 1 (2021): Jurnal Ilmiah Teknik Pertanian
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Effort of expansion and increasing of planting intensity of upland rice in Lampung Province can be done by adding irrigation. The source of irrigation water can come from the shallow well using furrow irrigation technology. What is the furrow distance that results high water use efficiency and optimal water productivity for upland rice? This study aims: 1) to measure the amount of upland rice irrigation water usage at various furrow distances, 2) to measure plant growth and 3) determine the optimal distance of furrow irrigation. The experiment was arranged in a randomized block design with the furrow distances treatment at three levels: 60, 80, and 120 cm. Each treatment was repeated three times. The variables observed were soil moisture, the amount of irrigation water use and plant growth. Analysis of data using ANOVA at a significant difference test level of 5%. The results showed that the different furrow distance had no significant effect on the growth of upland rice. This can be caused by the soil moisture in the root zone was still in the range of readily available water, i.e. 26.9-39.4% before giving irrigation. The mean plant height at 70 days after planting in the treatment of furrow distances 60, 80 and 120 cm were 107.1, 104.1, and 106.9 cm respectively, but significantly different from the control (without irrigation) was only 86.4 cm. The number of upland rice tillers at 70 days after planting in the all treatments and control was not significantly different, i.e. in the range 20.5-25.3 stems per clump. The average irrigation water used up to 70 days after planting at the furrow distance 60, 80, and 120 cm were 733, 735, and 490 mm respectively.
Co-Authors Andre Velthuzend Andy Eka Saputra Aniessa Rinny Asnaning Desi Novalia Dulbari, Dulbari Kuswadi, Didik Lisa Erfa Muhamad Idrus Muhammad Idrus Nurwijayanti Suprapto Suprapto Surya Surya Yuni Laras Setyawati Yuriansyah Yuriansyah Zainal Mutaqin