<?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>1665-1456</journal-id>
<journal-title><![CDATA[Biotecnia]]></journal-title>
<abbrev-journal-title><![CDATA[Biotecnia]]></abbrev-journal-title>
<issn>1665-1456</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sonora, División de Ciencias Biológicas y de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-14562021000100045</article-id>
<article-id pub-id-type="doi">10.18633/biotecnia.v23i1.1284</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Rentabilidad y rendimiento de girasol en función del tipo de suelo, nitrógeno y biofertilizante]]></article-title>
<article-title xml:lang="en"><![CDATA[Sunflower profitability and grain yield as function of soil type, nitrogen and biofertilizer]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arenas-Julio]]></surname>
<given-names><![CDATA[Y.R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escalante-Estrada]]></surname>
<given-names><![CDATA[J.A.S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Carpio]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodriguez-Gonzalez]]></surname>
<given-names><![CDATA[M.T.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sosa-Montes]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Campus Montecillo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Chapingo Departamento de Zootecnia ]]></institution>
<addr-line><![CDATA[Texcoco ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Investigación y desarrollo agrícola S. de R. L. de C. V.  ]]></institution>
<addr-line><![CDATA[Tlayacapan Mor]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>23</volume>
<numero>1</numero>
<fpage>45</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-14562021000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-14562021000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-14562021000100045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de este estudio fue determinar la influencia del tipo de suelo, nitrógeno y biofertilizante sobre la fenología, biomasa total, rendimiento de grano y sus componentes en el cultivo de girasol. El estudio se realizó en el Colegio de Postgraduados, donde se sembró el girasol cv. Victoria. Los tratamientos en estudio fueron dos tipos de suelo en los cuales se aplicó dos niveles de nitrógeno, con y sin biofertilizantes. Se evaluó la fenología de la planta, biomasa total, índice de cosecha, rendimiento y sus componentes. Para los suelos en estudio se encontró que la fertilización nitrogenada y el biofertilizante no modificaron el tiempo a ocurrencia de las etapas fenológicas, pero sí se observó un cambio en la biomasa total y rendimiento de grano, donde la mayor producción se registró con la aplicación de nitrógeno a 100 kg ha-1 y la inoculación del biofertilizante, lo que a su vez generó el mayor ingreso neto, en el suelo con la salinidad más baja.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of this study was to determine the influence of soil type, nitrogen and biofertilizer on phenology, total biomass, grain yield and its components on sunflower cultivation. At the Postgraduates College, the study was carried out, where the sunflower cv Victory was sowed. The treatments under study were two types of soil with two nitrogen levels, with and without biofertilizers. The plant&#8217;s phenology, total biomass, harvest index, grain yield and its components were evaluated. For the soils under study, nitrogen fertilization and the biofertilizer were found not to affect the phenological stages, but a change in total biomass and grain yield was observed, where the highest production and net income was recorded with the application of nitrogen at 100 kg ha-1 and biofertilizer inoculation, in the soil with the lowest salinity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Helianthus annuus]]></kwd>
<kwd lng="es"><![CDATA[biomasa total]]></kwd>
<kwd lng="es"><![CDATA[fertilización]]></kwd>
<kwd lng="es"><![CDATA[salinidad]]></kwd>
<kwd lng="en"><![CDATA[Helianthus annuus]]></kwd>
<kwd lng="en"><![CDATA[total biomass]]></kwd>
<kwd lng="en"><![CDATA[fertilization]]></kwd>
<kwd lng="en"><![CDATA[salinity]]></kwd>
</kwd-group>
</article-meta>
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