<?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>2007-2422</journal-id>
<journal-title><![CDATA[Tecnología y ciencias del agua]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnol. cienc. agua]]></abbrev-journal-title>
<issn>2007-2422</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Tecnología del Agua, Coordinación de Comunicación, Participación e Información]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-24222021000200001</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2021-02-01</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Calidad del agua para riego agrícola en la región del acuífero Calera en Zacatecas, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Water quality for agricultural irrigation in the Calera aquifer region in Zacatecas, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo-Martínez]]></surname>
<given-names><![CDATA[Cristina Jared]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Fuentes]]></surname>
<given-names><![CDATA[Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Benítez]]></surname>
<given-names><![CDATA[Gisela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Can-Chulím]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinedo-Escobar]]></surname>
<given-names><![CDATA[José Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí  ]]></institution>
<addr-line><![CDATA[San Luis Potosí ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Instituto de Investigación de Zonas Desérticas ]]></institution>
<addr-line><![CDATA[San Luis Potosí ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Instituto de Investigación de Zonas Desérticas ]]></institution>
<addr-line><![CDATA[San Luis Potosí ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Nayarit  ]]></institution>
<addr-line><![CDATA[ Nayarit]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma de Zacatecas  ]]></institution>
<addr-line><![CDATA[ Zacatecas]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>12</volume>
<numero>2</numero>
<fpage>1</fpage>
<lpage>58</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222021000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222021000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222021000200001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En la región que comprende el acuífero Calera, Zacatecas, la producción intensiva del cultivo de chile (Capsicum ssp.) es de suma importancia económica, y depende por completo del agua subterránea de un acuífero sobreexplotado en una zona cárstica y semiárida, donde la disponibilidad de agua se torna más limitada y la calidad del líquido es de relevancia. El objetivo de la investigación fue evaluar el impacto a la calidad química del agua y determinar su aptitud para uso agrícola mediante los criterios de salinidad, sodicidad y toxicidad. Durante dos ciclos consecutivos se llevó a cabo un muestreo, según la norma NOM-014-SSA1-1993, a los pozos que con más frecuencia se usan para irrigación de chile. De acuerdo con la profundidad resultaron cinco estratos, que van de 50 a 280 m sobre el nivel estático. Para los tres criterios se determinaron los parámetros de calidad de agua; su clasificación se mostró en un diagrama de Richards y su hidrogeoquímica mediante un diagrama de Piper. Se analizaron bloques completos al azar, así como los componentes principales y un clúster, a fin de identificar los parámetros que inciden de modo considerable en la calidad del agua. Los resultados evidenciaron que el cultivo de chile no ha impactado la calidad del agua de acuífero y que la profundidad de los pozos no influye en ésta; más bien depende de la región en donde se ubica cada pozo, procesos de recarga, geología de la región, velocidad de las corrientes subterráneas, y la infiltración por la acción de fallas y fracturas geológicas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the region that includes the Calera, Zacatecas aquifer, the intensive production of chili (Capsicum ssp.) is of great economic importance, and depends entirely on groundwater. Being an overexploited aquifer in a karst and semi-arid zone, water availability becomes more limited and water quality is relevant. The objective of the research was to evaluate the impact on the chemical quality of the water and determine its aptitude for agricultural use through the criteria of salinity, sodicity and toxicity. For two consecutive cycles, a sampling was performed according to NOM-014-SSA1-1993 to wells that are frequently used for irrigation of chili. Five strata were designed whose depth ranges from 50 to 280 m above the static level. For the three criteria the water quality parameters were determined, their classification was shown on a Richards diagram and their hydrogeochemistry using a Piper diagram. A statistical analysis of main components, a randomized complete block analysis and a cluster analysis were performed to identify the parameters that have a significant impact on water quality. The results showed that the cultivation of chili has not impacted the quality of the aquifer water and that the depth of the wells does not influence it, rather it depends on the region where each well is located, recharge processes, geology of the region , speed of underground currents and infiltration by the action of faults and geological fractures.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[acuífero Calera]]></kwd>
<kwd lng="es"><![CDATA[calidad de agua]]></kwd>
<kwd lng="es"><![CDATA[producción de chile]]></kwd>
<kwd lng="en"><![CDATA[Aquifer Calera]]></kwd>
<kwd lng="en"><![CDATA[water quality]]></kwd>
<kwd lng="en"><![CDATA[chili production]]></kwd>
</kwd-group>
</article-meta>
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