Analisis kebutuhan air irigasi lahan pertanian Desa Pajaran Kecamatan Poncokusumo menggunakan Cropwat 8.0
| Main Authors: | Sabilau, Oldheva Genisa, Taryana, Didik, Masitoh, Ferryati |
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| Format: | Article info application/pdf |
| Bahasa: | eng |
| Terbitan: |
Universitas Negeri Malang
, 2021
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| Subjects: | |
| Online Access: |
http://journal3.um.ac.id/index.php/fis/article/view/947 http://journal3.um.ac.id/index.php/fis/article/view/947/950 |
Daftar Isi:
- The need for irrigation water is the amount of water needed in an area, so that these plants can grow well and provide satisfactory results. The need for irrigation water needs to be known because it is an important stage needed in planning and managing irrigation systems. The research location is in the Bendo Springs Pajaran Village, Poncokusumo District, Malang Regency. This study aims to determine the need for water for irrigation in Pajaran Village. The data collected in this study are primary and secondary data. Primary data includes spring discharge and spring water quality. Secondary data includes rainfall, climate data, and monographs. The methods used in this study include measuring the quantity of springs using the volumetric method, measuring water quality, and analyzing irrigation needs using cropwat 8.0 software. The quality of the springs, Sumber Bendo springs is good for agricultural use. The quality of the Sumber Bendo springs is good for agricultural use. The need for irrigation water in the first planting period is 4,416,925 liters/day, the second planting period is 4,590,816 liters/day and the third planting period is 4,460,458 liters/day. Kebutuhan air irigasi merupakan banyaknya kebutuhan air pada suatu daerah, agar tanaman tersebut dapat tumbuh dengan baik, dan memberikan hasil yang memuaskan. Kebutuhan air irigasi perlu diketahui karena merupakan tahapan penting yang diperlukan dalam perencanaan dan pengelolaan sistem irigasi. Lokasi penelitian berada di daerah aliran irigasi mataair Sumbe Bendo yang terletak di Desa Pajaran Kecamatan Poncokusumo, Kabupaten Malang. Penelitian ini bertujuan untuk mengetahui kuallitas air Sodium Adsorption Ration, dan kebutuhan air untuk irigasi di Desa Pajaran. Data yang dikumpulkan dalam penelitian ini berupa data primer dan sekunder. Data primer meliput data kualitas air mata air. Data sekunder meliputi curah hujan, data iklim, dan monografi. Metode yang digunakan dalam penelitian ini meliputi pengukuran kualitas air, dan perhitungan kebutuhan irigasi di analisis menggunakan software cropwat 8.0. Kualitas mata air Sumber Bendo baik untuk pertanian. Kebutuhan air irigasi pada masa tanam i membutuhkan air sebesar 4.416.925 liter/hari, masa tanam ii 4.590.816 liter/hari dan masa tanam iii 4.460.458 liter/hari.