The maximum amount needed per month is 19 mm. The irrigation water requirement was 213.3 mm. The total amount of water was applied for cotton crop is 512.5 mm. Effective rainfall ranges from 5.9 - 15.7 mm/month. ![]() The results of the analysis of the water needs of cotton crop are calculated based on the growth phase of cotton crop showed a reference evapotranspiration value (ET o) calculated with a cropwat 8.0 program ranging from 3.12 - 4.53 mm/day and plant evapotranspiration (ET c) values ranging from 1.06 - 4.56 mm/day. Analysis of the calculation of irrigation water needs of cotton crop with Cropwat 8.0 is intended as a basis for determining the amount of water that will be applied to irrigation activities and providing irrigation water. tentang pangan dan tumbuhan obat, dan merawat banyak jenis tanaman di kebun dan di ladang. This study aims to analyze the irrigation water needs and maximize the yield of cotton crop production by using Cropwat 8.0 application as an alternative calculation of water demand. karena mulai berkurangnya keanekaragaman hayati, perkembangan. The development of cotton crop in South Sulawesi is still constrained by the availability of water which is affected by rainfall and the ability of the soil to retain water, so to optimize the growth of cotton crop needs to be done special methods of giving water.
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