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espanolEl tratamiento de las aguas residuales es una necesidad que tiene la sociedad para proteger su medio ambiente y garantizar el bienestar humano, por su parte el reuso de las aguas residuales tratadas es importante en la gestion integrada del recurso hidrico. En este estudio se realizo una revision bibliografica, recoleccion de informacion edafologica y climatologica, requerimientos hidricos y nutricionales del pasto estrella, y calculo de la eficiencia de la Planta de Tratamiento de Aguas Residuales de Timana. Segun los resultados obtenidos en la investigacion, se determino que el efluente pertenece a la clase C2S1, indicando que el agua es apta para riego, con peligro de salinidad medio y de alcalinidad baja. Tambien, se establecio segun las directrices de la Organizacion Mundial de la Salud que pertenece a la categoria B por su riesgo microbiologico y puede ser utilizada para riego del cultivo de pasto, lo que exige un adecuado monitoreo del riego para minimizar riesgos de salud publica. El area de estudio tiene deficit hidrico anual durante los meses de enero y febrero, y junio a septiembre. El efluente como riego para el cultivo de Pasto Estrella, podria haber regado en promedio 97 Has y aportado macronutrientes en las siguientescantidades; Nitrogeno 19.634 kg/ano, Fosforo 762.5 kg/ano y Potasio 7570 kg/ano, para el ano 2018, supliendo los requerimiento hidricos y nutricionales con una proyeccion que se calculo a 2 anos. EnglishThe treatment of wastewater is a need that society has to protect its environment and ensure human well-being, while the reuse of treated wastewater is important in the integrated management of water resources. In this study, a bibliographic review, collection of soil and climatological information, hydrological and nutritional requirements of the stargrass, and calculation of the efficiency of the Timana Wastewater Treatment Plant were carried out.According to the results obtained in the investigation, it was determined that the effluent belongs to the C2S1 class, indicating that the water is suitable for irrigation, with danger of medium salinity and low alkalinity. Also, it was established according to the guidelines of the World Health Organization that belongs to category B because of its microbiological risk and can be used to irrigate grass crops, which requires an adequate monitoring of irrigation tominimize public health risks. The study area has an annual water deficit during the months of January and February, and June to September. The effluent as irrigation for the cultivation of Star Pasture, could have irrigated on average 97 hectares and contributed macronutrients in the following amounts; Nitrogen 19,634 kg / year, Phosphorus 762.5 kg / year and Potassium 7570 kg / year, for the year 2018, supplying the water and nutritional requirements with a projection that was calculated at 2 years.

ingeniería y región

Potencial de reutilización del efluente de la planta de tratamiento de agua residuales de Timaná-Huila para riego de pasto estrella (Cynodon Plectostachius)