Para seguir avanzando en cobertura del servicio de alcantarillado en el municipio, se ha elaborado el presente estudio y diseño para establecer las obras necesarias para contar con la infraestructura adecuada para prestar un servicio de alcantarillado con la calidad que la comunidad de Villa Rosario y Unión Paraíso en el municipio de Puerto Colombia (Atlántico) requieren. El diseño de la alternativa consiste en la instalación de tuberías secundarias en los barrios Villa Rosario y Unión Paraíso del municipio de Puerto Colombia, para lo cual se instalarán 1641 m de redes de 8 pulgadas de diámetro, incluyendo manijas y 129ml en tubería de PEAD de 160 mm PN 10 PE 100 Las obras propuestas entraran inmediatamente en funcionamiento, al quedar integradas al sistema de alcantarillado existente en el municipio. Las mencionadas obras traerán como consecuencia el aumento de la calidad de vida del Municipio, el saneamiento ambiental de la zona y la disminución de enfermedades relacionadas con las aguas negras, sobre todo en niños y en el adulto mayor que es la población más vulnerable.
It is necessary to know the effect of excessive salinity in the soil on the growth of the African palm crop. The objective of the work was to evaluate the effect of salinity caused by NaCl on the growth and absorption of nutrients in the oil palm crop in early growth stage. The research was carried out in the laboratories of the University of Cordoba, where the 16 kg experimental units were made up of a mixture of alluvium and rice husk in a ratio of 4: 1. A complete randomized design was used with six treatments and a control (0.0, 0.5, 1.0, 1.5, 2.5, 3.6, and 6.1 cmolc kg-1 Na) and four repetitions. The data were statistically analyzed by analysis of variance and regression. The results report that the salinity in the soil that originates with the application of 2.5 cmolc kg-1 of Na produces in the soil an electrical conductivity (EC) of 1.96 dS m-1. Consequently, a drastic reduction in the quantified biomass of dry mass of stem, leaf, roots, rachis and leaf area originates, and the models that express this trend were adjusted to decreasing linear regressions with their highly significant parameters. Salinity interferes with the absorption of nutritional elements, such as N, K+ and Mg2+, and foliar nitrogen is the nutrient with the highest sensitivity to variations in EC in the soil. Foliar phosphorus (P) and calcium (Ca) concentrations were not affected by salinity levels.
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