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This study aimed to analyze the implications of saline water use and irrigation method in grass growth Tanzânia, in experiment carried out in a greenhouse of the Federal Rural University of the Semiárid UFERSA, located in the municipality of Mossoro RN in design completely randomized factorial 2 x 5, with four replications, and the treatments were a combination of two methods of irrigation (sprinkler and localized) with five water salinity levels (0.5, 1.5, 2.5; 3.5, and 4.5 dS m). Irrigation was performed daily, providing the amount needed to raise the soil moisture at field capacity. 0.20 m diameter PVC columns were used with 15 liter capacity, which were filled with a sandy loam soil texture. Chemical analysis of soil were performed. The culture used was the grass Tanzânia. Data were subjected to analysis of variance and the variables that showed significant responses were analyzed by means comparison test by Tukey test for qualitative independent variables (irrigation methods), and regression analysis for quantitative (levels salinity). The EC values in the depth of 0.10 m increased with increasing salinity in the irrigation water, and this effect is greater for the system of drip irrigation (drip), their mean values ranging from 1.33 to 6.58 dS m , while for the sprinkler irrigation system (1.31 to 5.70 dS m) observed a smaller effect of salinity in the soil, a fact that can be justified by evapotranspiration occurred in irrigation system, where occurred a lower concentration of water in the soil.

EFEITO DA CONDUTIVIDADE ELÉTRICA EM SOLO CULTIVADO COM CAPIM TANZÂNIA IRRIGADO POR DIFERENTES MÉTODOS DE IRRIGAÇÃO