<?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>S2007-09342020000801827</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v11i8.2042</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fertilización NPK, distribución de biomasa y número de minitubérculos de papa en invernadero]]></article-title>
<article-title xml:lang="en"><![CDATA[NPK fertilization, biomass distribution and number of potatoes minitubers in the greenhouse]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-López]]></surname>
<given-names><![CDATA[Román]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casimiro-Marín]]></surname>
<given-names><![CDATA[Maricela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sotelo-Ruiz]]></surname>
<given-names><![CDATA[Erasto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubio-Covarrubias]]></surname>
<given-names><![CDATA[Oswaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Delgado]]></surname>
<given-names><![CDATA[Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Sitio Experimental Metepec ]]></institution>
<addr-line><![CDATA[Zinacantepec Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>8</numero>
<fpage>1827</fpage>
<lpage>1838</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342020000801827&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342020000801827&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342020000801827&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de esta investigación fue evaluar la respuesta de la papa (Solanum tuberosum) a la fertilización de nitrógeno (N), fósforo (P) y potasio (K), en la acumulación de biomasa, índice de cosecha y número de tubérculos bajo condiciones de hidroponía bajo invernadero. El diseño experimental utilizado fue el San Cristóbal, con 12 tratamientos. Las variables que se evaluaron fueron: biomasa de hoja, tallo, raíz, estolón y tubérculo, índice de cosecha y número de tubérculos. La distribución de biomasa en todos los tratamientos, con respecto a la biomasa total, varió de 9.88 a 13.1% en hoja; 1.83 a 4% tallo, 1.9 a 4.9% raíz, 0.8 a 1.31% estolón y de 77.6 a 83.6% en tubérculo. El tratamiento de fertilización con 250N-80P-300K mg L-1 obtuvo la mayor acumulación de biomasa total por planta, 63.54 g; para hoja, 6.78 g, tallo 2.36 g, estolón 0.5, raíz 1.2 g y tubérculos 52.56 g. Mientras el tratamiento que presentó el índice más alto de cosecha fue T2 (200N-30P-250K) con 0.83, sólo diferente a los tratamientos T7(100N; 130P; 350K) y T11(150N; 180P; 300K) con 0.77 y 0.78, respectivamente. El índice de cosecha no estuvo relacionado con el número de tubérculos por planta, pues los tratamientos con mayor número de estos fueron el T8 (200N-130P-250K) con 18.6 tubérculos y T12(150N-80P-400K) 18.2, con un índice de cosecha de 0.82, mientras el T3 con el mayor indice (0.83) solamente produjo 13.7 tubérculos por planta.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of this research was to evaluate the response of the potato (Solanum tuberosum) to the fertilization of nitrogen (N), phosphorus (P) and potassium (K), in the accumulation of biomass, harvest index and number of tubers under conditions of hydroponics under greenhouse. The experimental design used was the San Cristóbal, with 12 treatments. The variables that were evaluated were: leaf biomass, stem, root, stolon and tuber, harvest index and number of tubers. The biomass distribution in all the treatments, with respect to the total biomass, varied from 9.88 to 13.1% in leaf; 1.83 to 4% stem, 1.9 to 4.9% root, 0.8 to 1.31% stolon and 77.6 to 83.6% in tuber. The fertilization treatment with 250N-80P-300K mg L-1 obtained the highest accumulation of total biomass per plant, 63.54 g; for leaves, 6.78 g, stem 2.36 g, stolon 0.5, root 1.2 g and tubers 52.56 g. While the treatment that presented the highest harvest index was T2 (200N-30P-250K) with 0.83, only different from the treatments T7 (100N; 130P; 350K) and T11 (150N; 180P; 300K) with 0.77 and 0.78, respectively. The harvest index was not related to the number of tubers per plant, since the treatments with the highest number of these were T8 (200N-130P-250K) with 18.6 tubers and T12 (150N-80P-400K) 18.2, with an index harvest of 0.82, while the T3 with the highest index (0.83) only produced 13.7 tubers per plant.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[biomasa]]></kwd>
<kwd lng="es"><![CDATA[hidroponía]]></kwd>
<kwd lng="es"><![CDATA[papa]]></kwd>
<kwd lng="en"><![CDATA[biomass]]></kwd>
<kwd lng="en"><![CDATA[hydroponics]]></kwd>
<kwd lng="en"><![CDATA[potato]]></kwd>
</kwd-group>
</article-meta>
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