Abstract
Ciherang Irrigation Area in Bandung is the location of the study. Based on data obtained, it showed water deficiency in the planting season 1 on October and in the planting season 2 on August. Thus, the study aimed to analyze the comparison between the availability of water and the need of water to get a proper cropping pattern implemented in the irrigation area. The availability of water was obtained from water debit that analyzed using the Weibull method while the need of water was determined by the availability of water for rice and palawija.. The results revealed that requirement of irrigation water in an existing cropping pattern of rice/palawija – rice/palawija – rice/palawija using the highest value of water demand at the weir intake gate (DR), 2,255 1/sec/ha, produced the total availability of water in an amount of 4,832 m3/sec while using the unit number for the implementation of operations in the field obtained the highest irrigation requirement value of 3,449 m3/sec. The alternative cropping pattern of rice – rice – palawija using the total value of water demand at the weir intake gate (DR), 2,436 1/sec/ha produced the availability of water in an amount of 5,261 m3/sec while using the unit number for the implementation of operations in the field obtained the highest irrigation requirement value in amount of 4,154 m3/sec.
Highlights
Salah satu usaha guna meningkatkan produksi pangan khususnya padi adalah tersedianya air irigasi di sawah – sawah sesuai dengan kebutuhan air irigasi
The results revealed that requirement of irrigation water in an existing cropping pattern of rice/palawija – rice/palawija – rice/palawija using the highest value of water demand at the weir intake gate (DR), 2,255 1/sec/ha, produced the total availability of water in an amount of 4,832 m3/sec while using the unit number for the implementation of operations in the field obtained the highest irrigation requirement value of 3,449 m3/sec
Winskayati, Dr Ir., Sp..Fakultas Teknik Sipil dan Perencanaan, Institut Teknologi Nasional, Irigasi dan Bangunan Air (Modul Perkuliahan)
Summary
Salah satu usaha guna meningkatkan produksi pangan khususnya padi adalah tersedianya air irigasi di sawah – sawah sesuai dengan kebutuhan air irigasi. Pola tanam yang diterapkan di Daerah Irigasi Ciherang adalah Padi – Padi – Palawija dan dilihat dari rencana tata tanam di Daerah Irigasi Ciherang terdapat petak yang khusus ditanami palawija saja sesuai dengan permintaan petani setempat. Maksud dan tujuan dari Tugas Akhir dengan judul “Kajian Neraca Air Pada Daerah Irigasi Ciherang Kabupaten Bandung Provinsi Jawa Barat” ini adalah untuk menganalisis ketersediaan air dan kebutuhan air serta mengetahui pola tanam yang sebaiknya diterapkan di Daerah Irigasi Ciherang. 2. Selain itu pada musim tanam II di bulan Agustus terdapat kekurangan air Dilihat dari hal tersebut diperlukan analisis ulang pada neraca air serta agar didapat pola tanam yang cocok diterapkan di Daerah Irigasi Ciherang.Adapun untuk ruang lingkup kajian yang akan ditinjau dibatasi hanya mengenai : 1.
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