Evaluation of an irrigation system in areas cultivated with pastures

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Evaluating the efficiency and uniformity of irrigation systems at field level helps to mitigate the losses that occur during and after the application of water by the system. The aim of this study was to evaluate the performance of a mesh sprinkler irrigation system installed in a pasture area with Brachiaria and Tifton 85 grass in the municipality of Fortaleza - CE. The system's water application uniformity was estimated using the Christiansen Uniformity Coefficient (CUC), the Distribution Uniformity Coefficient (CUD) and the Statistical Coefficient (CUE). On the basis of the values found, it can be concluded that the irrigation system evaluated is impaired, since all the performance parameters evaluated showed low values, classified as poor when compared to those recommended in the literature.