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Jurnal Irigasi

jurnal_irigasi
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Published by Puslitbang Sumber Daya Air

ISSN : 19075545 EISSN : 26154277 DOI : -

Core Subject : Agriculture, Engineering,

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Engineering

Jurnal Irigasi merupakan publikasi ilmiah yang memuat hasil-hasil penelitian, pengembangan, kajian dan studi kasus terkait irigasi dan drainase. Ruang lingkup Jurnal Irigasi meliputi survei, investigasi, desain, akuisisi lahan, konstruksi, operasi, pemeliharaan di sistem irigasi yang ditinjau baik dari sisi teknis, ekonomi dan kelembagaan. Terbit pertama kali tahun 1986 dengan nama Jurnal Informasi Teknik dan pada tahun 2006 berganti nama menjadi Jurnal Irigasi. Jurnal Irigasi diterbitkan 2 (dua) kali dalam setahun yakni pada bulan Mei dan Oktober.

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Articles 6 Documents

Search results for , issue "Vol 12, No 1 (2017): Jurnal Irigasi" : 6 Documents clear

Analisis Konsumsi Air Sayuran Organik dalam Rumah Tanaman Vita Ayu Kusuma Dewi; Budi Indra Setiawan; Roh Santoso Budi Waspodo
Jurnal Irigasi Vol 12, No 1 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Organic vegetables grown special in planthouses require special irrigation practice to maintain the optimum range of soil water content throughout the cultivation season. The problem of irrigation is the absence of parameter that used to determine schedule and water irrigation. This research was to figure out whether the sprinkle irrigation used for Kailan vegetable in a planthouse could fulfil the water demand and the total water consumption based on change of water content. Herewith, the daily soil moisture was observed and analyzed the water flow in the soil based on the soil physical and hydraulic properties. The result showed that the soil water content was always within field capacity and permanent wilting point but 87% of cultivation period was lower than readily avaiable water (RAW). This condition indicated that the water irrigation is not optimal. Based on change of soil water content analysis, water consumption for kailan was 55 mm during cultivation with the consumption rate was 1.1 mm/day. The water requirement to attain RAW condition was 130 mm.

Muka Air Optimum Pada System Of Rice Intensification (SRI) Nur Aini Iswati Hasanah; Budi Indra Setiawan; Chusnul Arif; Slamet Widodo
Jurnal Irigasi Vol 12, No 1 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Controlling water table is the way to manage water in SRI paddy field. Farmers tend to apply different water table depend on their local water management practices. It may have different effect on plant growth that can be seen in the number of tillers. In this study, tiller development of SRI paddy was studied by using experimental pots under various water tables treatments. The water table is controlled by using mariotte tube and set at -12, -7, -5, -3, 0, and +2 cm from the soil surface. The result shows that soil moisture (Ɵ) were fluctuated due to intermittent irrigation and water table treatment. It affects the tiller growths rate that varied with average value 0.21-0.29 tiller/day. The first tiller appears at 18 days after transplanting (DAT). The tillers number keep increasing until reaching the highest number (around 63 to 72 DAT). This empirical study showed that setting water table at -5 cm under soil surface in SRI paddy cultivation is the best to reach high tiller number, and highest land and water productivity compare to another water table treatments. Consistency in producing tiller from beginning tiller production until the end of cultivation season could be seen from this treatment.

Konsumsi dan Kebutuhan Air Selada Pada Teknik Hidroponik Sistem Terapung Riani Muharomah; Budi Indra Setiawan; Muhammad Yanuar J. Purwanto
Jurnal Irigasi Vol 12, No 1 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Floating hydroponic system (THST) is a hydroponic technique that its planting medium is placed on a floating styrofoam in a large pool that contains the nutrient solution. The common obstacles faced by this hydroponic technique is the absence of additional water during the growing season, so the water level in the pool is shrinking as the water is consumed by the plants. This study was to determine the rate of water consumption that fluctuated during the planting period and the water requirements which is necessary to maintain the water level. We found the averaged of lettuce water consumption was 0.74 mm/day. The accumulated water consumption for 54 days in two periods of growing season was 40 mm. The rate of lettuce water consumption at the beginning of the planting season was the smaller amounted to 0.75 mm/day and the greatest appeared at the end of the growing season equal to 2.09 mm/day. Finally, the water requirements to maintain the water level initially is 0.76 liters/day/m2 and then increase until reaches 2.09 liters/day/m2 at the end of the growing season or it is equivalent to 7.59 m3 per 90 m2 planting area.

Pemetaan Trase Jaringan Irigasi Melalui Analisis Geospasial (Studi Kasus Daerah Irigasi Cibuluh, Jawa Barat) Abu Bakar Sambah; Dwi Agus Kuncoro; Syaiful Anam
Jurnal Irigasi Vol 12, No 1 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Planning of irrigation canal has always faced the problems due to the overlapping of different land use. Irrigation planning should consider the irrigation canals surrounding different land use. Optimization of the determination of the irrigation network must be applied through the assumption of the physical condition of topographical as well as the proximity between irrigation canal and area of irrigation. The aims of this study were: (1) Mapping existing condition of irrigation canals in DI Cibuluh related to the land use and topography of the study area; (2) Mapping and determining the optimal trace irrigation networks based on spatial analysis of the existing land use and topographical characteristics; (3) Establish a simulation concepts of re-classification related to irrigation services area based on the elevation of the study area using geospatial analysis. The study was conducted through geospatial analysis methods in Geographic Information Systems. Digital Elevation Models (DEM) were the basic data in simulating irrigation services area. The results showed that there were two overlapping land use type (forests and industrial areas) that should be subtracted from the irrigated areas. Alignment of Irrigation network was planned without overlapping forest and industrial area, so that the planning was more focus on simulation based on the control points by processing adjustments as well as high elevation contour and water height.

Optimasi Pengembangan Lahan Berbasis Daerah Irigasi di Provinsi Sulawesi Selatan Widya Utaminingsih; Edy Anto Soentoro; Winskayati Winskayati; Eko Winar Irianto
Jurnal Irigasi Vol 12, No 1 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Food security has been transformed into one of the strategic issue when it is related to the raise of population numbers and the high rate of irrigated land conversion into residential/industry. The increase of rice national production becomes one of the Government’s key element to meet the national food necessity. The zonation mapping process to the irrigated area potency has been conducted, however, the further analysis to determine the land development policy is necessary in correspond with the raise of production cost and investment expense. This is essential to assess its development efficacy. The main purpose of this research is to examine the best scheme to boost up the national rice productivity, either through the extentification or the intentification processes and to calculate the minimum required of the investment cost. This research is focused on the analysis towards the irrigated area, whereas the location determination is referring to these two important aspects: 1) the zonation mapping potency of irrigated land development; and 2) the simulation of categorization of the national rice productivity. The optimization process has been investigated through Multi Criteria Decision Analysis (MCDA) along with the Analytical Hierarchy Process (AHP) method. Further more in-depth scoring criteria has been canducted with the compromise Programming and Promethee methods to figure out the development priority. The total Investment cost which acquired for the average irrigated area extensification was estimated around 105,6 million IDR/ha, henceforth, it is could be referred as the basis for budgeting- stipulation process for the future irrigated area development, with the production increase resulted from the abovementioned extensification of irrigated area was 5,02 tonnes/ha, or the cost of investment per production for the pertinent irrigated area intensification was 10,51 million IDR/ton.

Rancangan Unit Pengelola Irigasi Modern di Indonesia Bastin Yungga Angguniko; Susi Hidayah
Jurnal Irigasi Vol 12, No 1 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Establishment of irrigation management unit in Indonesia has been addressed by the 2015-2019 National Five Year Plan. The need is based upon the weak management of irrigation networks. Out of 3.3 million hectare of irrigation networks, 52% is in poor condition in 2014. Therefore, development of irrigation unit led by a single managing unit is considered as an appropriate measure for improvement. This research tries to determine the essential factors in creating a modern irrigation management unit (UPIM). The effort is carried out through the auditing of the current irrigation management practices within the central irrigation schemes, either under self-management or through support assignment. Result from field survey is then analyzed using SWOT method, followed by determining the key success factors for the management. There are five main functions of modern irrigation management which are; (1) programming and information system, (2) operation and maintenance controlling, (3) irrigation protection, (4) knowledge center and human resources, and (5) water use planning and counseling (PTGA). Both knowledge center and PTGA are the managerial innovation of this research. All of the functions are then arranged as an organizational structure designed according to each irrigation typology. For the sake of successful UPIM implementation, support in the form of legal decree as well as operation manual that could be easily understood by all stakeholders are needed.

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