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Mainly arid and semi-arid regions have included water reuse in water resources planning, several studies show that agricultural production is higher when some form of wastewater is used compared with supply of water added to artificial fertilizers. This study aimed to analyze the treated effluent used in the experiment as irrigation water, and the components thereof and their physicochemical characteristics. The supply of water and treated effluent analyzes were performed at the Laboratory of Water and Wastewater physicochemical analyzes FATEC Cariri Juazeiro do Norte CE, with an interval of 21 days between collections, totaling five reference analysis. Evaluated the parameters of ammonia, calcium, iron, phosphorus, magnesium, nitrate, nitrite, pH. The parameters evaluated for the wastewater are within the agronomic standards for use in irrigation, remember it should always provide the desired pH of the culture, because it can change in its development. The wastewater provide back water needs and often nutritional, of most cultures. Some of the nutrients provided in the wastewater are lower than some cultures require.

QUALIDADE DO EFLUENTE TRATADO PARA USO NA AGRICULTURA IRRIGADA