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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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Hidrokimia Mata Air Karst untuk Irigasi Studi Kasus Desa Ligarmukti, Kabupaten Bogor Rizka Maria; Ananta Purwoarminta; Rachmat Fajar Lubis
Jurnal Irigasi Vol 13, No 1 (2018): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Ligarmukti Village in Bogor Regency is a karst hilly area that is rich in springs so that it can supply water for domestic and agricultural purposes. The chemical properties of water derived from limestone have their own characteristics which probably have an impact on the quality of agricultural products. Thus, this study was conducted to analyze the hydrochemical properties of karst springs for irrigation. Research methods were secondary data inventory, hydrogeological observation, and laboratory analysis. Sodong is the largest spring with a discharge of 314.42 l/s in the rainy season and 154.38 l/s in the dry season. Rice field area is approximately 300 ha. The discharge from the spring can irrigate rice fields covering an area of 314.14 ha in the rainy season and 154.38 ha in the dry season. In addition to discharge, water chemical factors also determine agricultural yields. Groundwater hydrochemical including Ca-HCO3 facies, groundwater flow systems are controlled by autogenic recharge which shows the type of water in the spring from rainwater directly infiltrated in the area. Classification of water for irrigation including C2-S1 type which shows that spring has good water quality, a risk of medium salinity, and low sodium risk. The results of this study can be used by the government to maintain the village of Ligarmukti as an agricultural granary.

Evaluasi Koefisien Tanaman Padi Berdasarkan Konsumsi Air pada Lahan Sawah Hanhan Ahmad Sofiyuddin; Lolly M. Martief; Budi Indra Setiawan; Chusnul Arif
Jurnal Irigasi Vol 7, No 2 (2012): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Crop coefficient was calculated based on the observation of water consumption of various treated paddy fields on the objective to find its changes with time as the plant grew. Three principal techniques of paddy fields known as System of Rice Intensification, Integrated Crop Management and commonly practiced were investigated. Each of them has major different in irrigating and planting patterns, which lead to different performance on plant growth, productivity and water consumption. In this study, the combinations of irrigating and planting patterns across these 3 systems investigated. Measurements were conducted in daily basis on water level, perched water table, irrigation water, drainage water and weather parameters. Water balance analysis was carried out to calculate equivalent depth of soil water storage, which was then compared with measured soil water storage based on water level data and soil water retention curve. The results showed that each treatment produced similar crop coefficients. Average crop coefficient in 15 days periods are 0,87, 1,03, 1,13, 1,24, 1,28 and 1,25. These values are important to understand more about water saving mechanism as an input to develop irrigation discharge planning standard.

Analisis Neraca Air Sub DAS Irigasi Wirway Kabupaten Sarmi Provinsi Papua Ery Suhartanto; Lily Montarcih Limantara; Ariston Samosir
Jurnal Irigasi Vol 7, No 2 (2012): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

District Bonggo, Sarmi Regency is one of the technical potential of irrigated land in The Province of Papua are not utilized optimally. Given the ever increasing demand for rice and in line with population growth in annual Sarmi Regency ranged 8-10% (BPS Papua, 2010), Central River Region (BWS) Papua through a section of Planning and Program Development plans to make a program of irrigation areas in the District Bonggo, Sarmi Regency. The study was carried out at Inggi Subbasin, Wirway Watershed, Sarmi Regency of Papua Province. The results showed that an alternative irrigation water demand in selected alternative 4 at DI Bonggo based PTT that was created is to broad Ha 3200 irrigation water needs of a maximum of 7.45 m3/sc, for the vast 2500 ha of irrigation water needs of a maximum of 5.82 m3/sc, for the area of 2,000 ha of irrigation water needs of a maximum of 4.66 m3/sc, for the vast 1500 ha of irrigation water needs of a maximum of 3.49 m3/sc, and for the extensive 1000 ha of irrigation water needs of a maximum of 2.33 m3/sc . For domestic water needs of the average in Inggi Subbasin in the year 2026 amounting to 0.00394 m3/sc. Whereas the minimum discharge is available for a maximum of 2.46 and 0.12 m3/sc. The Efforts of irrigated water is not able to provide some alternative plans with broad regional Irrigation (DI). Alternative calculated based on planting time changes with 4 alternatives of planting begin, where alternative IV has lowest defisit.

Estimasi Gas Rumah Kaca pada Berbagai Macam Pengelolaan Air Menggunakan Model Denitrifikasi-Dekomposisi (DNDC) Arif Rahmat; Chusnul Arif; Yudi Chadirin
Jurnal Irigasi Vol 13, No 1 (2018): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Escalation of the scarcity in water resources has stimulated the development of a different method to preserve water in the paddy field. Several studies have been carried out simultaneously to observed the effectiveness of various water regimes on sustaining water, mitigating greenhouse gases (GHG), and maintaining rice yields. Irrigation management is a critical factor in controlling Methane (CH4) and Nitrous oxide (N2O) emission in the paddy field. The aim of this research is to evaluate the Denitrification-Decomposition (DNDC) Model in estimated greenhouse gas from various water regime management. This research conducted from January until May 2018, in plot experiment used SRI method under three different water regimes: flooding regime (RT), wet regime (RB), and dry regime (RK). DNDC Model was created to predicted CH4 and N2O emission in the agricultural ecosystem. This model already used and evaluated in subtropical land, but the ability of this model still needs to evaluate for soil in the tropical area such as Indonesia. The emission result showed a different pattern between the simulation model and observation model. The coefficient of determination (R2) from CH4 and N2O emission simulation with actual fluxes are 0.123 and -0.237. The finding in this study indicated that the simulation model needed improvement to be able to estimate the CH4 and N2O emissions from Indonesia’s environmental condition.

Mitigasi Emisi Gas Rumah Kaca Melalui Penerapan Irigasi Intermittent di Lahan Sawah Beririgasi Widya Utaminingsih; Susi Hidayah
Jurnal Irigasi Vol 7, No 2 (2012): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Mitigation of Green House Gases (GHGs) Emission through the implementation of intermittent irrigation on irrigated paddy field has been conducted. The aim of this study was to determine the mitigation potency by calculating the rate of growth of GHS’s emission and Global Warming Potential (GWP) on intermittent irrigation and conventional paddy field areas. GHGs’s (including CH4, CO2, and N2O) samples were collected in the irrigation area of Mrican Kanan Jombang on tertiary unit: TB 1 Ki, TB 2 Ki, TL4 Ka and conventional unit as data control. The samples were collected in three phases of rice growth which are: vegetative phase, primordia phase, and ripening fruit phase on boxes that catch GHGs. The samples were analyzed at the laboratory with chromatography gases (GC). Result from GHG’s flux indicated the values of GHG’s emission and GWP, thus the decline rate of GHG’s emission could be extracted. The study showed that the intermittent irrigation could reduce CH4 emission for about 33,18 percent and GHGs’ global warming potency for about 34,9 percent compared to conventional irrigation .

Optimasi Pemanfaatan Air Embung Kasih untuk Domestik dan Irigasi Tetes Ginting, Segel; Rahmandani, Dadan; Indarta, Abid Hendri
Jurnal Irigasi Vol 13, No 1 (2018): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

The Government of Indonesian was built Embung Kasih (retention basin) to overcome limited water resources in Tuatuka Village, NTT Province. It was planned for irrigation and domestic use. Retention basin operations require detailed planning with limited storage, so the water utilization optimizes are necessaries. These are needed to determine water use with several scenarios of rainfall conditions. It was conducted by the Generalized Reduced Gradient Method to maximize water use as an objective function. Water utilizes simulation in 1974 to 2015 was conducted as an evaluation of the reliability assessment. The objective of this research determines water used optimally for domestic use and irrigation. The results are obtained by several scenarios. The first scenario related to normal rainfall conditions, water use for domestic is around 2,604 people or irrigating 2.746 ha area using drip irrigation. The second scenario for extreme wet rainfall conditions, water use for domestic is around 3,601 people or land irrigating around 4.698 ha area. The third scenario with extreme dry rainfall conditions can produce water use for domestic is around 454 people or land irrigating around 0.45 ha area. Following their results by using the simulation method with data from 1974 to 2015, water use for domestic is, determined to be around 454 people, and an area irrigated 1 Ha with operational reliability assessment reaching 78.57%.

Potensi Air Limbah Domestik Sebagai Pasokan Air Irigasi pada Daerah Padat Penduduk dan Krisis Air Sutriati, Armaita; Ginting, Nana Terangna
Jurnal Irigasi Vol 7, No 2 (2012): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Indonesia is the country most vulnerable to food security in the face of water deficit. Java and Bali have a deficit of irrigation water since 2003. Assessment of the potential of domestic wastewater for irrigation water supply intended for alternative sources of raw water to overcome water shortage in densely populated areas are like in Java and Bali. Assessment using the method of analysis of primary and secondary data obtained from the literature. The results of the study demonstrate the potential quantity of domestic waste water in 2020 an average of about 228.12 m3/sec in Indonesia, while in Java around 132.38 m3/sec and in Bali about 3.94 m3/sec. Potential nutrients in domestic wastewater in 2020 in P. Java: Nitrogen approximately 208,740 tons / year, equivalent to 386,556 tons of urea / year; Phosphorus tons / year, equivalent to 41,748 TSP 115,967 tons / year, and Potassium 83,496 tons / year or KCl equivalent to 185,547 tons / year. The benefits of implementing policies reuse of domestic wastewater for irrigation is an effort to support sustainable agriculture as well as to supply the raw water continuously during water deficit, as well as a source of nutrients to substitute fertilizer needs. Use of domestic wastewater for irrigation can also improve soil structure and reduce the pollution load entering the water. In practice, some farmers around the Domestic Wastewater Treatment Plant in Bojongsoang and Perumnas in Cirebon have received the benefits of using domestic wastewater for irrigation, especially in the dry season. The level of difficulty of obtaining water is an important factor for the success of the re-use of domestic waste water for irrigation.

Faktor-Faktor Efektif dalam Pengelolaan Jaringan Irigasi Kewenangan Pusat di Provinsi Jawa Barat Achmad Rizal; FX Hermawan Kusumartono; Nanang Rianto
Jurnal Irigasi Vol 13, No 1 (2018): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

The success of operation and maintenance of irrigation network was influenced by the performance of irrigation network management institution. This aspect becomes an additional burden of achievement of irrigation network management. The objective of this study was to find factors that influence the effectiveness of irrigation system management. This study used descriptive methods based on a fishbone scheme and a multi-variable regression. Fishbone diagram used to find the root of problem on irrigation management. Important factors discovered with fishbone technique then continued with multi-variable regression to emphasize to what extent do those factors influence the irrigation management. Independent variables use were physical infrastructure, plant productivity, supporting tools, organization of personnel, documentation, and organization condition. Data were collected primary and secondary from institution also government officials and farmers who were members of water user association (P3A). The results showed that significant factors which influence in improving the effectiveness of irrigation system management were physical infrastructure, personnel organization and supporting facilities. In the future, theres an urgency to develop systems which can measure management capacity changes related to operation and maintenance from time to time.

Evaluasi Kinerja Jaringan Irigasi Curah Melalui Simulasi Hidrolis Menggunakan Epanet 2.0 Helena Novitasari Lasol; Yuli Suharnoto; Dadang Ridwan; Marasi Deon Joubert
Jurnal Irigasi Vol 9, No 1 (2014): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Sprinkler irrigation network could be a good investment when designed, installed, maintained and managed well. But manually calculation consumes much time and gives rise to human error. Therefore, this study aims to evaluate the performance of sprinkler irrigation using secondary data and the data was analyzed by using simulation of EPANET 2.0 software. This study was conducted on irrigation network in the village of Tenilo, Gorontalo and the villages of Akar-akar, NTB. The simulation resulted the average pressure at both locations was excess of the recommended optimum pressure 40 m, but it was not excess the maximum recommended pressure 65 m. The variation pressure on each location were 2.82 m and 9.35 m. Debit issued by sprinkler was also nearing discharge plan 9.11 liters/second. The velocity of the flow both locations was not different much. It was less than maximum allowable speed 3 m/s, it meant that the network was safe from abrasion and water hammer on a pipe. Based on the results, simulation sprinkler irrigation network installed in the village of Tenilo and the villages of Akar-akar have met the criteria of hydraulic limitation design of sprinkler irrigation.

Peningkatan Efisiensi Aplikasi Air pada Petakan Sawah dengan Penerapan Irigasi Evaporatif (Kajian Teoritis) - Ardiansyah; Budi Indra Setiawan; Chusnul Arif; Satyanto Krido Saptomo
Jurnal Irigasi Vol 14, No 1 (2019): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Increased awareness of precision agriculture in water management, requires various ideas and methods for its application in the fields. One idea that can be categorized into precision farming as well as appropriate technology, is evaporative irrigation. Evaporative irrigation is an idea to control the provision of irrigation water based on the direct response of plant water needs, namely evapotranspiration. The objectives of this study were to: (1) examine the theoretical aspects of the evaporative irrigation to be applied to plots of rice fields in a plot of plots with irrigation units, (2) laying out design principles for evaporative irrigation valve closures. The results showed that, theoretically, a controller pipe was needed which would be an indicator for thick water in the plot of rice fields. The pipe controller regulates the opening of the irrigation lid to the plot based on the float-ballast principle. The design principle is carried out by simulating the reduction in the controller water level of the controller which illustrates the decrease in thick water plots. Water depth that is still tolerated for rice growth will be the limit for the provision of irrigation water to the plots. Amount of irrigation water provided is equal to the value of plant water needs in the ongoing rice growth phase. One example of the design of the controller pipe water level to start and stop irrigation is at 117.8 mm water level and 300 mm respectively. The total water needs of one crop-season is calculated to be 625 mm. With the application of evaporative irrigation, the initial conditions of sufficient water do not require the provision of irrigation water until the 31st day. Irrigation water application after that, until harvesting, requires only 477 mm. Giving this water follows the plant water requirements calculated on a day-to-day basis.

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