<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2071-0054</journal-id>
<journal-title><![CDATA[Revista Ciencias Técnicas Agropecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cie Téc Agr]]></abbrev-journal-title>
<issn>2071-0054</issn>
<publisher>
<publisher-name><![CDATA[Universidad Agraria de La Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2071-00542024000100002</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[General Energy Yield in the Furrows Irrigation System]]></article-title>
<article-title xml:lang="es"><![CDATA[Rendimiento Energético General en el Sistema de Riego por Surcos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Brown-Manrique]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Rodríguez]]></surname>
<given-names><![CDATA[Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerra-Hernández]]></surname>
<given-names><![CDATA[Gisel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Melo-Camaraza]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beltran-Perez]]></surname>
<given-names><![CDATA[Yaily]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carmenates-Hernandez]]></surname>
<given-names><![CDATA[Dayma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciego de Ávila Máximo Gómez Báez (UNICA)  ]]></institution>
<addr-line><![CDATA[ Ciego de Ávila]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Cooperativa de Producción Agropecuaria 8 de marzo  ]]></institution>
<addr-line><![CDATA[ Ciego de Ávila]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Ricardo Palma  ]]></institution>
<addr-line><![CDATA[ Lima]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2071-00542024000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2071-00542024000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2071-00542024000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The energy efficiency of irrigation systems is an aspect of great importance in all design and management processes; For this reason, an investigation was carried out in the "Tío Pedro" farm located in the municipality of Venezuela, Ciego de Ávila province during the years 2021 and 2022 with the objective of estimating the general energy yield in the furrow irrigation system. During this period, the pump unit offers the following average operating regime: pump flow rate of 61.1 L s-1; pumping time of 2,8 hours and pumping head of 18.2 m. This behavior reduces a hydraulic power of 10.9 kW and a pump efficiency of 85.2%. The energy supplied in pumping was 429.4 kWh and the energy absorbed in the evaluated period was 631.9 kWh. In relation to the energy parameters of the system, an energy balance of the supply of 7,4 m was obtained; a system energy load index of 15.2 m; an energy efficiency of the pumping of 68.2% (excellent) and a general energy efficiency of the system of 34.0% (normal).]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La eficiencia energética de los sistemas de riego es un aspecto de gran importancia en todos los procesos de diseño y manejo; por este motivo se desarrolló una investigación en la finca &#8220;Tío Pedro&#8221; ubicada en el municipio de Venezuela, provincia Ciego de Ávila durante los años 2021 y 2022 con el objetivo de estimar el rendimiento energético general en el sistema de riego por surcos. Durante este periodo la unidad de bombeo funcionó con el siguiente régimen de operación promedio: caudal de bombeo de 61,1 L s-1; tiempo de bombeo de 2,8 horas y carga de bombeo de 18,2 m. Este comportamiento determinó una potencia hidráulica de 10,9 kW y rendimiento de la bomba de 85,2%. La energía suministrada en el bombeo fue de 429,4 kWh y la energía absorbida en el periodo evaluado de 631,9 kWh. En relación con los parámetros energéticos del sistema se obtuvo un balance energético del suministro de 7,4 m; un índice de carga energética del sistema de 15,2 m; un rendimiento energético del bombeo de 68,2% (excelente) y un rendimiento energético general del sistema de 34,0% (normal).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Hydraulic Efficiency]]></kwd>
<kwd lng="en"><![CDATA[Hydraulic Power]]></kwd>
<kwd lng="en"><![CDATA[Energy Efficiency of Pumping]]></kwd>
<kwd lng="es"><![CDATA[Eficiencia hidráulica]]></kwd>
<kwd lng="es"><![CDATA[potencia hidráulica]]></kwd>
<kwd lng="es"><![CDATA[rendimiento energético del bombeo]]></kwd>
</kwd-group>
</article-meta>
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<surname><![CDATA[BROWN-MANRIQUE]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determinación de la eficiencia hídrica y energética en el riego localizado, bajo condiciones protegidas]]></article-title>
<source><![CDATA[Revista Ciencias Técnicas Agropecuarias]]></source>
<year>2020</year>
<volume>29</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>46-55</page-range><publisher-name><![CDATA[Universidad Agraria de La Habana]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
