<?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>0187-5779</journal-id>
<journal-title><![CDATA[Terra Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Terra Latinoam]]></abbrev-journal-title>
<issn>0187-5779</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de la Ciencia del Suelo A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-57792017000300193</article-id>
<article-id pub-id-type="doi">10.28940/terra.v35i3.190</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aplicaciones de aluminio mantienen el crecimiento de fresa (Fragaria × ananassa Duch.) suplementada con roca fosfórica en condiciones de cultivo sin suelo]]></article-title>
<article-title xml:lang="en"><![CDATA[Applications of aluminum sustain growth of strawberry (Fragaria × ananassa Duch.) supplemented with phosphoric rock in soilless culture]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tucuch Pérez]]></surname>
<given-names><![CDATA[Martin Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Pérez]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdez Aguilar]]></surname>
<given-names><![CDATA[Luis Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Arias]]></surname>
<given-names><![CDATA[Gloria Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Santiago]]></surname>
<given-names><![CDATA[Juana Cruz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarado Carrillo]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Horticultura ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de Morelos Facultad de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>193</fpage>
<lpage>201</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792017000300193&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792017000300193&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792017000300193&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se estima que en los próximos años a nivel mundial habrá carencia de las fuentes de fósforo (P) utilizadas para fabricar los fertilizantes fosforados. Aunque el P puede encontrarse en el suelo, la mayor parte se encuentra en forma no asimilable por las plantas, por lo que para absorberlo éstas exudan ácidos orgánicos (AO) para facilitar su solubilización. Por otro lado, se ha reportado que la presencia de aluminio (Al) se relaciona con un aumento en la exudación de AO por la raíz. Dado la capacidad solubilizadora de los AO, en el presente estudio se planteó evaluar el efecto de la aplicación de Al sobre la exudación de AO y el uso de P en forma no soluble (roca fosfórica, RF) en el crecimiento y rendimiento de plantas de fresa. El experimento constó de ocho tratamientos que resultaron de combinar dos cantidades de RF, mezcladas en el sustrato, con aplicaciones de Al. Los tratamientos con RF se irrigaron con una solución que contenía 0.25 meq L&#8209;1H2PO4 &#8209;. Los resultados mostraron que con aplicaciones de Al vía riego se obtienen mayores rendimientos, hasta 380 g planta-1, lo cual estuvo correlacionado positivamente con la concentración de ácido cítrico y negativamente con la concentración de ácido málico en el sustrato. Se concluye que el citrato exudado por la raíz debido a la aplicación de Al, favorece el rendimiento de plantas de fresa cuando el P se encuentra en forma de RF.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: It is estimated that in the near future phosphorus (P) sources for manufacturing fertilizers containing this element will become scarce. Phosphorus can be found in the soil; however, it is not in soluble form for plant uptake. In order to take up this element, plants exude organic acids (OA), which can facilitate the solubilization of P. It has been reported that these acids are exuded into the rhizosphere in the presence of aluminum (Al). Given the solubilizing capacity of OA, the present study was designed to assess the effect of using Al on exudation of OA, which in turn would improve root uptake of insoluble P forms, impacting growth and yield of strawberry plants. The experiment consisted of eight treatments that resulted from combining two amounts of phosphoric rock (PR), mixed in the substrate, with applications of Al. The treatments with PR were irrigated with nutrient solutions containing 0.25 meq L-1 H2PO4 -. Application of Al through the irrigation solution produced the highest yields, up to 380 g plant-1. There was also a positive correlation between yield and citrate concentration and a negative correlation between yield and malate concentration in the substrate. We conclude that increased citrate in the rhizosphere due to the presence of Al increased solubility of PR, thus increasing yield.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ácidos orgánicos]]></kwd>
<kwd lng="es"><![CDATA[ácido cítrico]]></kwd>
<kwd lng="es"><![CDATA[solubilización]]></kwd>
<kwd lng="es"><![CDATA[cultivos de invernadero]]></kwd>
<kwd lng="en"><![CDATA[organic acids]]></kwd>
<kwd lng="en"><![CDATA[citric acid]]></kwd>
<kwd lng="en"><![CDATA[solubility]]></kwd>
<kwd lng="en"><![CDATA[greenhouse crops]]></kwd>
</kwd-group>
</article-meta>
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