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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 9, No 1 (2014): Jurnal Irigasi" : 6 Documents clear

Uji Kinerja Emiter Cincin - Reskiana; Budi Indra Setiawan; Satyanto K. Saptomo; Popi Redjekiningrum Dwi Mustatiningsih
Jurnal Irigasi Vol 9, No 1 (2014): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Water scarcity causes the utilization of dryland is not maximal in supporting agricultural production in Indonesia. Efficient irrigation technology which is economically affordable by farmers needs to develop. This research aimed to provide an irrigation ring typed emitter that can be placed under the soil surface. In this research, porous materials made of textiles were tested for its permeability that matches the permeability of the soil. We got 5 textiles made of Legacy having permeability of 1.54 cm h-1, Colosal 0.76 cm h-1, Veronica 8.16 cm h-1, Kyramat 5.28 cmh-1, and Parasut 0.06 cmh-1. This selected textile was rolled covering a ring typed perforated water hos (ring emitter). These emitters were then tested to irrigate potted water melon plants in a greenhouse. The results show ring emitters covered with Legacy and Colossal have better water productivity, 0.64 kg m-3 and 1.90 kg m-3, respectively with the averaged water discharge 0.52 l h-1 and 1.08 l h-1.

Penerapan Saluran Pencampur Pada Sistem Irigasi Tambak Dian Noorvy Khaerudin; Denik Sri Krisnayanti
Jurnal Irigasi Vol 9, No 1 (2014): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Indonesia as an agricultural country has a plan in food endurance. Food endurance is also a goal of the MDG 's 2015 Millennium Development Goals were made at Indonesian food resilience into national strategic issues . Indonesia has potential for abundant natural resources , including water resources and fisheries . The types of fish is a source of protein for the body and it plays an important role in improving the nutritional well-being in terms of public health . Brackish water fishery developed are milk fish and shrimp . Sidoarjo district has a regional commodity and smoked milkfish. So most people in Sidoarjo district has these fisheries . But more and more reduced because in addition to its water quality is not maintained as well as irrigation systems are still not organized . The irrigation system is important because with this system of distribution of water activities , prepare pattern of planting , fertilization fish , enlargement , to marketing can work well . Mixer Channel brackish water is a mixture of fresh water and sea water with the required water quality. The problem tertiary channels that directly relate to the primary channel , and can not provide the required water quality ponds . The purpose of making the mixer channel are application the mixer channel for water quality of salinity that available for fish pond and addressing water quality problems that affect the productivity of the farm , and run the irrigation system , water distribution , so organized and structured . And mixer channel with sluice gate will be effective as to split water bearer channel to channel tertiary pond .

Kajian Kriteria Mutu Air Irigasi Iskandar A. Yusuf
Jurnal Irigasi Vol 9, No 1 (2014): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Government Regulation No. 82 year 2001 regarding Water Quality and Water Pollution Control containing water quality criteria based on water quality classes, so water quality objectives with the wide range utilization become less specific then the quality of the irrigation raw water must meet class II, class III and class IV. On the other hand, the need of water for agricultural irrigation sector is a very large ammount and their needs is getting increase in line with population growth, while the availability of water is on the wane and more aggravated due to the presence of an increasingly severe pollution. Therefore, to meet the needs of large amounts of water with good quality increasingly difficult. It is very burdensome of raw water providers, “what the water quality criteria is needed for irrigation ? “ Based on the analysis of benchmarking several references and then to compose a propose of irrigation water quality criteria. Furthermore, evaluating water quality data of raw water irrigation in Walahar weir of Citarum River-Karawang, Pamarayan weir of Ciujung River-Serang and irrigation canal in Garang River Semarang. Based on the propose of water irrigation criteria resulted in good and very good classification, however, based on class II of water quality criteria resulted not suitable classification, however, it has good productivity that higher then the national average productivity. Indeed, the water quality criteria of Government Regulation No. 82 year 2001 is still prevailed for water quality standards determination and water quality objective standards is set up by other relevant regulations such as: Regulation of Government/Governor/Mayor based on their obligation.

Penentuan Kelembaban Tanah Optimum Untuk Budidaya Padi Sawah SRI (System Of Rice Intensification) Menggunakan Algoritma Genetika Chusnul Arif; Budi Indra Setiawan; Masaru Mizoguchi
Jurnal Irigasi Vol 9, No 1 (2014): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

In this study, an optimal soil moisture level that maximizes both yield and water productivity of system of rice intensification (SRI) paddy field was simulated by genetic algorithms (GA) model. The GA model was performed to find an optimal combination of soil moisture levels according to the empirical data during three cropping seasons at Nusantara Organic SRI Center (NOSC), Nagrak Sukabumi, West Java. Here, we classified soil moisture level into three levels i.e. wet (W), medium (M) or dry (D) based on the soil water retention curve. As the results, the optimal soil moisture was a combination of wet, wet, medium, and dry levels of soil moisture for initial, crop development, mid-season and late season growth stages, respectively. The wet level in the initial and crop development growth stages should be achieved providing enough water for the plant to develop root, stem and tiller, and then the field can be drained into the medium level with the irrigation threshold of field capacity to avoid spikelet sterility in the mid-season stage, and finally, let the field in the dry level to save more water in the late season stage when plant water requirement is minimum. By this scenario, it was simulated that the yield can be increased up to 4.40% and water productivity up to 8.40% with saving water up to 12.28% compared to the empirical data.

Simulasi Operasi Waduk Lamong untuk Kepentingan Air Baku dan Irigasi Sulistiono, Andi; Rahmandani, Dadan; Triyono, Joko
Jurnal Irigasi Vol 9, No 1 (2014): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Lamong River Basin is located in the Lamongan and Mojokerto Regency for the upstream part, Gresik Regency and Surabaya City for the downstream part. Lamong River Basin has area about Â± 720 km2 with the main river channel has length about Â± 103 km. Hydrological condition of Lamong River Basin is critical, as a result, most part of the Lamong River Basin that located in the region of Gresik and Surabaya Regency, every year is suffering from flooding due to overflowing. By contrast, in the upstream of Lamong River Basin is always shortage of water in the dry season. In the study, inflow discharge of Lamong Reservoir are obtained by synthetic streamflow data generation using Thomas Fiering method. Historical flow data are obtained by transforming rain data into discharge data using Mock model and using rainfall data of Ngimbang Station, Bluluk Station and Mantup Station and also discharge measurement data of Boboh Station in 1995-1997. The calculation of raw water demand is based on a standard requirement of raw water from Directorate General Human Settlements, Ministry of Public Works in 2003, while the irrigation water requirement is calculated by Standard Irrigation Planning (KP-01) in 1986. Simulations are conducted from the year of 2016 to 2025 with the use of Standard Operating Rule (SOR).The results show that the needs of raw water by people served by the Lamong Reservoir is equal to 5,70 million m3 in 2015 and 5,74 million m3 in 2025. Reliability of Lamong Reservoir in serving the needs of raw water will be achieved 99,17 % by the planting area covering 2.117 Ha with irrigation water reliability in serving 96,25 %.

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.

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