<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342017000100039</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v8i1.70</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Relación entre indicadores de desempeño y la calidad del riego utilizando pivote central]]></article-title>
<article-title xml:lang="en"><![CDATA[Relationship between performance indicators and irrigation qualityusing central pivot]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios Mondaca]]></surname>
<given-names><![CDATA[César Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Valdés]]></surname>
<given-names><![CDATA[Tomás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Munguía López]]></surname>
<given-names><![CDATA[Juan Plutarco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Partida Ruvalcaba]]></surname>
<given-names><![CDATA[Leopoldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velásquez Alcaráz]]></surname>
<given-names><![CDATA[Teresa de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Valenzuela]]></surname>
<given-names><![CDATA[Blanca Elvira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,UAS Escuela Superior de Agricultura del Valle del Fuerte ]]></institution>
<addr-line><![CDATA[ Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,UAS Facultad de Agronomía ]]></institution>
<addr-line><![CDATA[ Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigación en Química Aplicada  ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Tecnológica de Culiacán  ]]></institution>
<addr-line><![CDATA[Culiacán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>1</numero>
<fpage>39</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342017000100039&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342017000100039&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342017000100039&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El uso del agua para la agricultura en regiones bajo condiciones de escasez y bajas eficiencias, requieren de investigación, innovación y una apropiada transferencia tecnológica, para mejorar la calidad del riego. Las herramientas para optimizar el uso del agua incluyen sistemas de riego presurizados, que a pesar de las ventajas tecnológicas, requieren de un mantenimiento y operación adecuados para el correcto funcionamiento agronómico e hidráulico, por que su evaluación debe ser un procedimiento rutinario. El sistema de riego por pivote central presenta ventajas sobre otros sistemas presurizados y es una buena opción para la producción de algunos cultivos. Los índices de desempeño tradicionales son el coeficiente de uniformidad y uniformidad de distribución del agua. El objetivo del estudio fue comparar la calidad del riego a partir de los indicadores de desempeño: coeficiente de uniformidad de Heermann y Hein (CUh), uniformidad de distribución (UD), área regada adecuadamente (ARA) y eficiencia de aplicación (Ea) y determinar la relación entre ellos. Las evaluaciones pluviométricas se realizaron en el norte de Sinaloa, México, en dos ciclos agrícolas (2013-2015). La pluviometría mostró una &#8220;alta calidad&#8221; del riego con un área &#8220;muy bien regada&#8221;, el análisis por tramos mostró el menor desempeño en los tramos uno, dos y el colgante. El análisis de la pluviometría total mostró alta relaciones CUh-ARA, CUh-Ea y Ea-ARA (R2= 0.9262, 0.8661, 0.9041, respectivamente) y por tramos solo en CUh-ARA (R2= 0.7648); los indicadores de desempeño CUh y ARA son suficientes para evaluar la calidad del riego.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The use of water for agriculture in regions under conditions of scarcity and low efficiencies, requires research, innovation and an appropriate technological transfer, to improve the quality of irrigation. The tools to optimize the use of water include pressurized irrigation systems, which despite the technological advantages, require proper maintenance and operation for the correct agronomic and hydraulic operation, so its evaluation must be a routine procedure. The central pivot irrigation system has advantages over other pressurized systems and is a good choice for the production of some crops. The traditional performance indices are the coefficient of uniformity and uniformity of water distribution. The objective of the study was to compare irrigation quality based on performance indicators: the Heermann and Hein (CUh) uniformity coefficient, distribution uniformity (UD), adequately irrigated area (ARA) and application efficiency (Ea) and determine the relationship between them. The rainfall assessments were conducted in northern Sinaloa, Mexico, in two cropping cycles (2013-2015). Rainfall showed a &#8220;high quality&#8221; irrigation with a &#8220;very well-watered&#8221; area, the analysis by sections showed the lowest performance in sections one, two and the pendant. The analysis of the total rainfall showed high ratios CUh-ARA, CUh-Ea and Ea-ARA (R2= 0.9262, 0.8661, 0.9041, respectively) and for sections only in CUh-ARA (R2= 0.7648); the performance indicators CUh and ARA are sufficient to evaluate the quality of irrigation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[área regada adecuadamente]]></kwd>
<kwd lng="es"><![CDATA[eficiencia]]></kwd>
<kwd lng="es"><![CDATA[riego por aspersión]]></kwd>
<kwd lng="es"><![CDATA[uniformidad]]></kwd>
<kwd lng="en"><![CDATA[adequately irrigated area]]></kwd>
<kwd lng="en"><![CDATA[efficiency]]></kwd>
<kwd lng="en"><![CDATA[sprinkler irrigation]]></kwd>
<kwd lng="en"><![CDATA[uniformity]]></kwd>
</kwd-group>
</article-meta>
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