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ITS » Paper and Presentation » Manajemen Asset - S2
Posted by aprill@is.its.ac.id at 21/01/2015 19:35:37  •  752 Views


ANALISA KEBERLANJUTAN SISTEM IRIGASI DENGAN STRATEGI TINDAK LANJUT MENGGUNAKAN METODE S.R.I PADA DAERAH IRIGASI GONTORAN KABUPATEN BANYUWANGI

ANALYSIS OF IRRIGATION SYSTEM SUSTAINABILITY FOLLOWED UP BY STRATEGY USING S.R.I METHODE FOR GONTORAN IRRIGATION AREA AT BANYUWANGI DISTRICT

Author :
HENDRI ( 3111207802 )




ABSTRAK

Daerah Irigasi Gontoran luas lahan tanamnya 76 ha yang secara administratif berada di 2 dua desa dan 2 dua kecamatan yang berbeda. Di desa Rejosari kecamatan Glagah seluas 56 ha dengan pola tanam padi-padipolowijo-polowijo dengan IP padi 100 dan di kelurahan Kebalenan kecamatan Banyuwangi seluas 20 ha dengan pola tanam yang sama. Ketersediaan debit air di musim penghujan MT1 sebesar 6998 m3hr sedangkan musim kemarau MT3 hanya 1210 m3hr. Akibatnya di Daerah Irigasi tersebut sering terjadi kekeringan panjang. Dampaknya terhadap hasil usahatani dari tahun ke tahun mengalami penurunan. Di satu sisi provinsi Jawa Timur ditargetkan surplus beras 5 juta ton beras pada tahun 2014 termasuk kabupaten Banyuwangi. Hal ini dikhawatirkan di Daerah Irigasi Gontoran keberlanjutannya terancam sehingga tidak dapat mencapai target mengingat kondisinya semakin memburuk. Evaluasi keberlanjutan sistem irigasi gontoran dimulai dari uji kevaliditasan dan kereabilitasan semua item pertanyaan di kuisioner I dan menentukan pembobotan dari kuisioner II Metode AHP lalu kuisioner III untuk mengukurmengevaluasi kinerja sistem irigasinya. Hasilnya bahwa sistem irigasi Gontoran berada pada tingkat kinerja keberlanjutan kurang dan perlu perhatian dengan pencapaian keberlanjutan antara 55 sampai dengan 69 baik ditinjau dari segi sosial ekonomi dan lingkungan maupun secara keseluruhan. Penyebab kurangnya kinerja keberlanjutan yang paling berpengaruh yaitu dari aspek lingkungan dan ekonomi dengan pencapaian keberlanjutan masing-masing 60.11 dan 64.39. Strategi tindak lanjut untuk peningkatan potensi DI Gontoran dimulai dari analisa sensistivitas indikator keberlanjutan menghitung variabel potensi lalu dioptimasi tool linier programming selanjutnya dilakukan uji potensi terhadap target pemerintah tool goal programming. Hasilnya bahwa penerapan budidaya padi metode S.R.I dapat memberikan peningkatan keuntungan sebesar 547 penghematan air hingga 38 hemat waktu sampai 125 dan produksi meningkat hingga 318 dibandingkan metode konvensional. Demikian juga hasil uji potensi terhadap target pemerintah kabupaten Banyuwangi mengenai peningkatan produksi padi sawah sebesar 1955 ton gabah kering dan IP Padi hingga 250 di Daerah Irigasi Gontoran akan terpenuhi jika budidaya padi metode S.R.I diterapkan. Peningkatan optimum mencapai produksi sebesar 2046 tontahun lebih tinggi dari goal sebesar 1955 tontahun tercapai target pemerintah dan IP Padi hanya 270 juga lebih tinggi dari goal sebesar 250 tercapai target pemerintah serta dengan keuntungan optimum mencapai Rp. 6168952000 tahun 88 tercapai dari goal sebesar Rp. 7000000000. Hal ini perlu ada kesiapan pemerintah dan para petani terkait upaya penerapan budidaya padi metode S.R.I tersebut.


ABSTRACT

Irrigation area of land planted Gontoran 76 ha which is administratively located in 2 two villages and 2 two different districts. In the village Rejosari Glagah district with an area of 56 ha with a cropping pattern padi-padipolowijo-polowijo IP rice 100. Then in the village Kebalenan Banyuwangi district of 20 ha with the same cropping pattern. Availability of water discharge in the rainy season MT1 of 6998 m3hr while the dry season MT3 is only 1210 m3hr. As a result in the Irrigation Area frequent long droughts. The impact on farm results from year to year decline. On one side of the province of East Java targeted surplus of 5 million tonnes of rice in 2014 including Banyuwangi regency. It is feared in the irrigation area Gontoran sustainability is threatened so it can not reach the target given the condition gets worse. Evaluation of the sustainability of the irrigation system gontoran starting from test validity and kereabilitasan all the questions in the questionnaire items I and II to determine the weighting of the questionnaire AHP method then the third questionnaire to measure evaluate the performance of irrigation systems. The result that Gontoran irrigation system is at a level of sustainability performance and needs less attention to the achievement of sustainability between 55 to 69 both in terms of social economic and environmental as well as a whole. Cause of the lack of performance of the most influential sustainability namely environmental and economic aspects of sustainability by achieving 60.11 respectively and 64.39. Follow-up strategy to increase the potential of DI Gontoran starting from sensistivitas analysis of sustainability indicators calculate the potential variables are optimized linear programming tool further test the potential of the governments target goal programming tool. The result that the application of SRI method of rice cultivation can provide increased gain of 547 water savings of up to 38 saving the time to 125 and production increased by 318 compared to conventional methods. Similarly the results of the test potential targets Banyuwangi district on increasing rice production amounted to 1955 tonnes of paddy unhusked rice and up to 250 IP Paddy in irrigation area Gontoran will be met if the SRI method of rice cultivation applied. Achieve optimum increase production by 2046 tons year higher than the goal of 1955 tons year achieved the governments target and IP Rice also only 270 higher than the goal of 250 the governments target is reached and the optimum profit of Rp. 6168952000 year 88 of goal reached Rp. 7000000000. It is necessary to have the readiness of the government and the farmers related implementation efforts the SRI method of rice cultivation.



KeywordsBudidaya S.R.I; Daerah Irigasi Gontoran; Keberlanjutan; Kinerja; Sistem Irigasi
 
Subject:  irigasi--gontoran kabupaten banyuwangi
Contributor
  1. Prof. Dr. Ir. Nadjadji Anwar, M.Sc.
  2. Ir. Theresia Sri Sidharti, M.T.
Date Create: 21/01/2015
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-paper-31121150006925
Collection ID: 31121150006925
Call Number: RTS 627.52 Hen a


Source
Paper and Presentations, Civil Engineering, RTS 627.52 Hen a, 2015

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Copyright @2015 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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