<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282022000100213</article-id>
<article-id pub-id-type="doi">10.19136/era.a9n1.3116</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Rendimiento, acumulación y distribución de biomasa en girasol en función de la salinidad y nitrógeno]]></article-title>
<article-title xml:lang="en"><![CDATA[Yield, accumulation and distribution of biomass in sunflower depending on salinity and nitrogen]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escalante-Estrada]]></surname>
<given-names><![CDATA[Jose Alberto Salvador]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Carpio]]></surname>
<given-names><![CDATA[Cid]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escalante-Estrada]]></surname>
<given-names><![CDATA[Yolanda Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Montecillo, Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autonoma de Guerrero Instituto de Investigación Científica área de Ciencias Naturales ]]></institution>
<addr-line><![CDATA[ Chilpancingo Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>9</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282022000100213&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282022000100213&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282022000100213&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo del estudio fue determinar el efecto de nitrógeno en girasol bajo suelos salinos, sobre las variables días a etapas fenológicas, biomasa total, índice de cosecha, rendimiento, tamaño del grano, número de granos, área del capítulo, número de granos por capítulo, la acumulación y distribución de materia seca. El cultivar Victoria Mejorado, se sembró en suelos con diferente nivel de salinidad (2 y 7 dS m&#8722;1) y nitrógeno (0 y 100 kg ha&#8722;1). La salinidad y nitrógeno no afectan las fases fenológicas, tamaño del grano, índice de cosecha y distribución de materia seca. La biomasa, rendimiento, número de granos, área del capítulo, número de granos por capítulo y la acumulación de materia seca en cada órgano de la planta se redujo por la elevada salinidad del suelo, sin embargo, la aplicación de 100 kg ha&#8722;1 de nitrógeno generó una mayor acumulación de materia seca y rendimiento en girasol.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of the study was to determine the effect of nitrogen in sunflower under saline soils, on the variable, days to phenological stages, total biomass, harvest index, yield, grain size, number of grains, chapter area, number of grains per chapter, accumulation, and distribution of dry matter. The cultivar Victoria Mejorada was planted in soils with different levels of salinity (2 and 7 dS m&#8722;1) and nitrogen (0 and 100 kg ha&#8722;1). Salinity and nitrogen do not affect phenological phases, grain size, harvest rate and dry matter distribution. The biomass, yield, number of grains, area of the chapter, number of grains per chapter and the accumulation of dry matter in each organ of the plant was reduced by the high salinity of the soil, however, the application of 100 kg ha&#8722;1 of nitrogen generated a greater accumulation of dry matter and yield in sunflower.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Etapas fenológicas]]></kwd>
<kwd lng="es"><![CDATA[índice de cosecha]]></kwd>
<kwd lng="es"><![CDATA[número de granos]]></kwd>
<kwd lng="es"><![CDATA[área del capítulo]]></kwd>
<kwd lng="es"><![CDATA[asterácea]]></kwd>
<kwd lng="en"><![CDATA[Phenological stages]]></kwd>
<kwd lng="en"><![CDATA[harvest index]]></kwd>
<kwd lng="en"><![CDATA[number of grains]]></kwd>
<kwd lng="en"><![CDATA[capitulum area]]></kwd>
<kwd lng="en"><![CDATA[asteracea]]></kwd>
</kwd-group>
</article-meta>
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