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A Novel Method for Water irrigation System for paddy fields using ANNPrisilla, L.; Rooban, P. Simon Vasantha; Arockiam, L.; M.Phil scholar in Department of Computer Science, St.Joseph’s College, Tiruchirapalli-2, Tamilnadu.; Associate Professor in Department of Computer Science, St. Joseph’s College, Tiruchirapalli-2, Tamilnadu. (IJCSN, 2012-04-01)Water is an essential resource in the earth. It is also essential for irrigation, so irrigation technique is essential for agriculture. To irrigate large area of lands is a tedious process. In our country farmers are not following proper irrigation techniques. Currently, most of the irrigation scheduling systems and their corresponding automated tools are in fixed rate. Variable rate irrigation is very essential not only for the improvement of irrigation system but also to save water resource for future purpose. Most of the irrigation controllers are ON/OFF Model. These controllers cannot give optimal results for varying time delays and system parameters. Artificial Neural Network (ANN) based intelligent control system is used for effective irrigation scheduling in paddy fields. The input parameters like air, temperature, soil moisture, radiations and humidity are modeled. Using appropriate method, ecological conditions, Evapotranspiration, various growing stages of crops are considered and based on that the amount of water required for irrigation is estimated. Using this existing ANN based intelligent control system, the water saving procedure in paddy field can be achieved. This model will lead to avoid flood in paddy field during the rainy seasons and save that water for future purposes.