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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.

Arjuna Subject : -

Articles 99 Documents

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Pengaruh Irigasi dan Mulsa Kulit Singkong Terhadap Kadar Air Tanah serta Pertumbuhan Tanaman Nanas Ali Rahmat; - Afandi; Tumiar K Manik; Priyo Cahyono
Jurnal Irigasi Vol 8, No 2 (2013): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Irrigation on pineapple plants is very important because it affects the growth and production, but the irrigation cost is very expensive. The study aimed to determine the effect of irrigation and organic mulch on soil moisture content and pineapple growth. The study was conducted with a factorial treatment design (5 x 2) in a randomized block design with three replications. The first factor is the time length of irrigation (I), which consists of 5 time irrigation i.e. without irrigation (I0), irrigated 1 month (I1), irrigated 2 months (I2), irrigated 3 months (I3), and irrigated 4 months (I4). The second factor is the dose of cassava peel (organic mulch) consists of 2 level is 0 ton/ha (M0) and 50 ton/ha (M1). Soil moisture was measured using diviner 2000. Data of soil moisture content were analyzed on time series. Plant growth performance were analyzed and tested with LSD at 5% level. The results showed cassava peel of 50 ton/ha in general could last 2.5 months to maintain higher water content. Cassava peel had more visible role when the soil begins to dry. Cassava peel effected height and fresh weight of the plant. And, irrigation effected on fresh weight of the plant. The interaction between irrigation and cassava peel affected on the fresh weight of the plant. Crop recovery occurred after the rainy season where the soil moisture was high.

Lapisan Kedap Buatan untuk Memperkecil Perkolasi Lahan Sawah Tadah Hujan dalam Mendukung Irigasi Hemat Air Asep Sapei; Muhammad Fauzan
Jurnal Irigasi Vol 7, No 1 (2012): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Irrigation efficiency can be improved at the time of delivery (conveyance), distribution and application. Water losses in the form of evaporation, leakage, seepage, percolation and water waste are reduced to a minimum. The purpose of this study is to examine the role of artificial impervious layer in reducing percolation of paddy field related to water saving irrigation and to improve efficiency. The impervious layer is made by compacting the soil below the plow layer by using soil stamper and baby roller. The impervious layer thickness is obtained about 14 cm and the maximum hardness were 9.41 – 13.28 kg/cm2. The percolation obtained from 7.9 to 21.3 cm/day. Relatively smaller percolation obtained from plot which was compacted by using baby roller. But the obtained percolation is still too big for the paddy field which is only about 4 mm/day. This may be caused by the conditions of the plot that has very high percolation rate (508.8 cm/day).

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.

Desain Jaringan Irigasi Mikro Jenis Mini Sprinkler (Kasus di Laboratorium Outdoor Balai Irigasi) Dadang Ridwan; Alfi Bagus Prasetyo; Marasi Deon Joubert
Jurnal Irigasi Vol 9, No 2 (2014): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Increasing of land use changing causes more limited agricultural land. Micro irrigation is one of the solutions to increase agricultural productivity on a limited land. This study aims to design a micro irrigation system using mini-sprinkler in limited area of outdoor laboratory in Experimental Station of Irrigation, Bekasi. The plant will be cultivated is tomato. The results of design calculations obtained micro sprinkler type that will be used is HADAR 7110 Inverted Rotor as much as 12 units, wetting diameter of 10,2 m, the distance between the lateral and sprinkler 5 m x 5 m. Irrigation water requirement is 26,25 mm/ application. Time of the maximum irrigation is 5,13 hours, with the maximum irrigation interval is 5 days. Total dynamic head (TDH) required is 28,66 m. Considering to fulfillment greater requirement, the selected pump will be has a 0,25 KW BHP, discharge 1,25 liter/second, with total head of 60 m.. Schedule of irrigation water supply is designed based on the needs of water per growth period between 2,22 to 5,07 hours with an interval of 3-5 days.

Pendekatan Spasial dalam Penentuan Prioritas Area Irigasi pada Musim Kering Mouli De Rizka Dewantoro
Jurnal Irigasi Vol 8, No 1 (2013): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Rice paddy fields in the northern part of West Java is one of the national granary. Sources water for irrigation of paddy field in the northern part of West Java largely sourced from the Citarum River, into the Jatiluhur reservoir and channeled into irrigation canals irrigated area northern of West Java. Management of water distribution should consider priority of irrigated land in order to obtain maximum results. Geographic Information Systems (GIS) can serve as a method that can be used to process data based on spatial references. GIS and disaster approaches to be one that can be an alternative approach to the prioritization of irrigation on paddy fields. The dry season in Indonesia often results in some areas of drought disasters are no exception to the paddy fields. The drought also resulted in crop failures that make reduced production of rice in Indonesia. Approach and drought factors may be one factor considered in the prioritization of irrigation so as to maximize the irrigation system. The results has obtained from this research is priority areas of irrigation map in the northern region of West Java. Result of this research is show that the first priority area for irrigation about 9.385,87 ha.

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.

Potensi Pemanasan Global dari Padi Sawah System of Rice Intensification (SRI) dengan Berbagai Ketinggian Muka Air Tanah Chusnul Arif; Budi Indra Setiawan; Deka Trisnadi Munarso; Muhammad Didik Nugraha; Pradha Wihandi Sinarmata; Ardiansyah Ardiansyah; Masaru Mizoguchi
Jurnal Irigasi Vol 11, No 2 (2016): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

System of Rice Intensification (SRI) is known as alternative rice farming for the mitigation of greenhouse gas (GHG) emissions. There are two main gasses emitted from paddy fields, i.e., methane (CH4) and nitrous oxide (N2O). Both of these gases have different characteristics as response on water availability in the fields which is represented by groundwater levels. Global Warming Potential (GWP) is used as an index that allowed comparisons of the global warming impacts of different gases at specific time period to warm the earth and it is equivalent to the value of the potential of CO2. This study aimed to analysis the global warming potential from different water regimes with SRI practices. Achieving the objective, rice cultivation with three water regimes was carried out during one planting season (14 April until 5 August 2016) in experimental plots of Department of Civil and Environmental Engineering IPB, Bogor, Java West. The regimes were continous flooding, moderate and dry regimes, respectively. The results showed that dry regime has the lowest global warming potential than those others regimes. Its potential was 34% and 41% lower than those for flooding and moderate regimes, respectively. In addition, dry regime produced more grain yield. Its productivity was 21% greater than that flooding regime. These results were obtained from specific climate and location. To corroborate the results, further research is needed under different weather conditions and multi-locations.

Pengaruh Pupuk Kascing Terhadap Kemampuan Mengikat Air pada Tanah Lempung dan Lempung Berpasir Monica Rina Tutkey; Fatchan Nurrochmad; Sri Harto Brotowiryatmo
Jurnal Irigasi Vol 12, No 2 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

The water saving irrigation would be better if the soil can hold water maximally. The problem is the soils have different water holding capacity, some of them are less, so there is need to maximize the water holding capacity. Adding compost with the right composition can improve the soil physical properties, since organic matter in it has the aggregation capability that can bind the small granules to the large granules to improve the water holding capacity. This study aimed to analyze the maximum water holding capacity by adding 0%, 29%, 33%, 40%, 50%, 60%, 67% and 71% of vermicompost on loam and sandy loam soil. Each sample is repeated three times. PF curve was used to determine water holding capacity. The result shows that the maximum water holding capacity of loam soil is 19,14% by adding 40% of vermicompost or increased 13.56% from the original soil. On the other hand, adding vermicompost on sandy loam tends to decrease the water holding capacity. The maximum water holding capacity of sandy loam is 27.87% in 0% (original soil) of vermicompost. Further research can be continued by paddy plot trial using the best vermicompost composition and the water saving irrigation method.

Antisipasi Ekohidrodinamika Pengendalian Eutrofikasi Mendukung Sistem Irigasi Jatiluhur yang Berkelanjutan Eko Winar Irianto
Jurnal Irigasi Vol 10, No 2 (2015): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Eutrophication is one of the serious problems in a reservoir which may disturb the water supply system in the downstream. Jatiluhur Dam is the reservoir with eutrophication problems. One of the methods to control water quality in Jatiluhur Reservoir is ecohydrodynamic method by utilizing Hollow Jet Valve (HJV). A comprehensive HJV operations is required to maintain the already-planned reservoir operation. This paper informs how to analyzes the effect of HJV operation to water quantity and water quality in the downstream of Jatiluhur Reservoir. Analysis result shows that the water level decreases in Jatiluhur Reservoir and increases in Curug Barage while HJV gate operation is still in line with water supply plan and reservoir operation, especially for irrigation sector. Furthermore, the result also shows that HJV operation increases BOD, Total N, and Total P pollutants and still complies with Class-3 of Indonesian National Standard of Water Quality for irrigation water. DO is the most sensitive parameters and 67% increase of BOD might develop an anaerob condition in the hypolimnion layer after the reservoir restoration. Therefore, sinergyc programs between reservoir restoration and water conservation in irrigation network are still required.

Pengelompokan Produksi Padi Nasional dengan Pendekatan Data Mining Konsep K-Means Irfan Sudono; Widya Utaminingsih; Santi Lestari
Jurnal Irigasi Vol 8, No 2 (2013): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

One indicator of national food security is rice production, generated from the crop area in irrigation area. Influencing policy is regulation and changes in strategic environment , which are both synergized in the form of irrigation system. JICA Study - FIDP , 1993, indicating that he development of irrigated area will move to region Sumatra , Kalimantan , and Maluku - Papua , but based on record of data production on the last 20 years the regions remains low. This study aims to find solutions the expectations of increasing rice production by analyzing which potential areas have to increase in production. Data Mining approach concept K -means method used in clustering to analyze the province in national rice production , analysis based on the 20 years data record rice production from 1993 to 2012 consists of 33 provinces whole of Indonesia , with the object of observation on the average production to the increase production (slope) and forecast production for year 2013. Based on result of simulation optimization with the K - Means obtained that rice production development sequence consisting of six clusters. Highest national rice production is still dominated by Java and Bali (group 1) , meaning that the development in this region are optimally exploit the potential and more effort is needed to maintain existing area by preventing land use change, but due to limited space (potential area development only 62000 Ha), the development of irrigation areas is more rational prioritized in groups 2, namely region Sulawesi , NTB, and West Sumatera. Simulation optimization has accommodate history of production of the dimensions past , current and future production.

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