Aplication of aqua crop model in simulation of irrigation management on paddy field in Tanabangka village, Gowa district B Rasyid, A Febrianti RSA, and S Laban
Dept. of Soil Science, Fac. of Agriculture, Hasanuddin University- Makassar.
Abstract
Water management in rice production is one of the important factor to ensure of rice cultivation successfully. The purpose of this study is application of Aqua Crop model to simulate on how much irrigation water and prediction of water supply differentiation in the area of study during rice cultivation period. This research was conducted in Tanabangka village, Gowa district, South Sulawesi. The stages of this research include: (1) collecting climate data, (2) calculation of water debit by the load method, (3) soil sample analysis in the laboratory (4) analysis of data using open source Aqua Crop Software (V. 6.1). The results of the analysis using the Aqua Crop model show a high amount of water supply of 1157.01 mm/season with an estimated ETo average of 66.15 mm/season. Furthermore, in plot 3 the highest value of water availability is 33.35 g/g, with the amount of water given at 766.18 mm/season, and production 6.9 tons/ha. The Aqua Crop simulation for the management of irrigation water can be used well by taking into account the influence of environmental factors on rice production.
Keywords: Aqua Crop model, paddy field, water management, rice production
