Eficiencia de aplicación máxima del agua y longitud del surco en función de los caudales
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Abstract
alcanzable y la longitud del surco para alcanzar estas eficiencias en función del caudal utilizando el modelo propuesto por Konuku y Delibas.
El área de investigación pertenece a la UBPC Grito de Yara la cual se encuentra ubicada a los 200 25’ Latitud N y a los 760 53’ Longitud O con
una altura de 6 m.s.n.m. El área de investigación se dividió en tres parcelas, con una pendiente de 0,5%. En cada parcela se construyeron 9
surcos de 100 m de largo y un ancho de 0,8 m. Los caudales fueron de 1, 2 y 3 L/s para las parcelas 1, 2, y 3 respectivamente. La geometría del
surco se midió con un perfilómetro. Se marcaron estaciones con intervalos de 10 m a lo largo del surco para investigar los tiempos de avance
y recesión del agua en cada caudal. El aumento de caudal de 1 a 3 L/s genera una diferencia de 53 min en el tiempo de avance. Se pudo comprobar que la forma del surco tiende a pasar de triangular a parabólica con reducciones del área de la sección transversal que oscilan entre un 17 y 22% para el primer riego. Para los caudales evaluados 1, 2 y 3 L/s las máximas eficiencias alcanzables son de 61, 60 y 57% con longitudes
95, 155 y 209 m respectivamente.
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