Evaluar el caudal máximo no erosivo en el riego por surcos en la parroquia urbana San José del cantón Catamayo.
Studies to evaluate non-erosive maximum flow rates in furrow irrigation processes are essential to maintain the quality of arable soils. Water as one of the key resources for productivity has to be applied efficiently, so that knowledge of the biophysical characteristics of the terrain: gradients, t...
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| Formaat: | bachelorThesis |
| Taal: | spa |
| Gepubliceerd in: |
2017
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| Onderwerpen: | |
| Online toegang: | http://dspace.unl.edu.ec/jspui/handle/123456789/18825 |
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Voeg label toe | Samenvatting: | Studies to evaluate non-erosive maximum flow rates in furrow irrigation processes are essential to maintain the quality of arable soils. Water as one of the key resources for productivity has to be applied efficiently, so that knowledge of the biophysical characteristics of the terrain: gradients, textures, humidity levels, etc., must be the first variable to be Account in the crop cycle. This research was carried out in the "Huertos Familiares" sector of the parish of San José del Cantón Catamayo, with the main objective: To contribute to the efficient management of water in the method of furrow irrigation, by means of a regulation of flow; And specifically, 1) To determine the non-erosive maximum flow rate in furrow irrigation as a function of the slope of the furrow; 2) Determine the non-erosive maximum flow rate in furrow irrigation depending on the number of irrigation. In order to achieve the first objective, the analyses show a clayey-loam soil (AcLo) in its texture, with slopes of 0.5%; 1.0%; 1.5%; And 2.0%; And, for the second objective; The number of irrigations was considered, determining that, between two consecutive irrigations, the values obtained did not present significant differences. Among four irrigations, the valuesof the third and fourth show almost imperceptible differences, values that were constant as the amount of irrigation increased. Afterwards, a comparison was made between the data obtained in the field and those obtained by the general Marr - Criddell equation, which determined that they do not correspond, since those obtained by the general formula exceed field data. The tabulation and analysis of the values collected in the field allowed the realization of the graphs with the best fit curves; From these, the mathematical models that allowed to infer data of the maximum non-erosive flows, were obtained. Finally, the validation of the obtained mathematical models was determined by performing the respective calculations of each equation and was compared with the field data, which allowed to verify that they correspond. Keywords: erosion, soil quality, water resources, irrigation. |
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