<?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>0258-5936</journal-id>
<journal-title><![CDATA[Cultivos Tropicales]]></journal-title>
<abbrev-journal-title><![CDATA[cultrop]]></abbrev-journal-title>
<issn>0258-5936</issn>
<publisher>
<publisher-name><![CDATA[Ediciones INCA]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0258-59362021000200002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Biofertilización con bacterias solubilizadoras de fósforo y hongos micorrízicos arbusculares en el cultivo de la papa]]></article-title>
<article-title xml:lang="en"><![CDATA[Biofertilization with phosphor solubilizing bacteria and arbuscular mycorrhizal fungi in potato culture]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mora-Quilismal]]></surname>
<given-names><![CDATA[Segundo Ramiro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cuaical-Galárraga]]></surname>
<given-names><![CDATA[Emma Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Bolívar]]></surname>
<given-names><![CDATA[Judith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Revelo-Ruales]]></surname>
<given-names><![CDATA[Vinicio Wladimir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puetate-Mejía]]></surname>
<given-names><![CDATA[Luis Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguila-Alcantara]]></surname>
<given-names><![CDATA[Edith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Sánchez]]></surname>
<given-names><![CDATA[Michel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Politécnica Estatal del Carchi Facultad de Industrias Agropecuarias y Ciencias Ambientales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Particular de Loja  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Unidad Científico Tecnológica de Base "Los Palacios"  ]]></institution>
<addr-line><![CDATA[Los Palacios Pinar del Río]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>42</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0258-59362021000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0258-59362021000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0258-59362021000200002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La presente investigación evaluó alternativas de biofertilización con el empleo de bacterias solubilizadoras de fósforo y hongos micorrízicos arbusculares, a través de los productos comerciales Fosfotic® y Safer Micorrizas®, respectivamente, en el cultivo de la papa cv. Superchola, en suelos Andisoles del Carchi, Ecuador. El experimento se realizó en condiciones de producción en un área de 360 m2, subdividida en seis parcelas de 60 m2 cada una (5 m de ancho x 12 m de largo), donde se ubicaron seis tratamientos correspondientes a un control fertilizado y diferentes dosis de fósforo más la inoculación con Fosfotic® y Safer Micorrizas®. La distancia de plantación fue de 1 m entre surcos y 0,50 m entre plantas. Se evaluaron las variables: longitud de tallo, número de tallos brotados, número total de tubérculos por planta y su clasificación por calibre, así como el rendimiento total y por calibre, además de realizar un análisis económico de los tratamientos estudiados. Los mejores resultados se obtuvieron con el 100 % de la fertilización a base de NK+75 % P+Fosfotic®+Safer Micorrizas® y con 100 % de la fertilización a base de NK+25 % P+Safer Micorrizas®; los cuales también mostraron los mayores beneficios económicos. Estos resultados demuestran la viabilidad del uso de estos biofertilizantes en la región del Carchi, Ecuador.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABTRACT The present investigation evaluated biofertilization alternatives with the use of phosphorus-solubilizing bacteria and arbuscular mycorrhizal fungi, through the commercial products Fosfotic® and Safer Micorrizas®, respectively, in potato crop cv. Superchola, in Andisol soils from Carchi, Ecuador. The experiment was carried out under production conditions in an area of 360 m2, subdivided into six plots of 60 m2 each (5 m wide x 12 m long), where six treatments corresponding to a fertilized control and different phosphorus doses plus inoculation with Fosfotic® and Safer Micorrizas®. The planting distance was 1 m between rows and 0.50 m between plants. Variables were evaluated: stem length, number of sprouted stems, total number of tubers per plant and their classification by size, as well as the total yield and size, in addition to performing an economic analysis of the treatments studied. The best results were obtained with 100 % of the fertilization based on NK+75 % P+Fosfotic®+Safer Micorrizas® and with 100 % of the fertilization based on NK+25% P+Safer Micorrizas®; which also showed the highest economic benefits. These results demonstrate the feasibility of using these biofertilizers in the Carchi region, Ecuador.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[biofertilizantes]]></kwd>
<kwd lng="es"><![CDATA[fertilización]]></kwd>
<kwd lng="es"><![CDATA[rendimiento]]></kwd>
<kwd lng="es"><![CDATA[Solanum tuberosum]]></kwd>
<kwd lng="en"><![CDATA[biofertilizers]]></kwd>
<kwd lng="en"><![CDATA[fertilization]]></kwd>
<kwd lng="en"><![CDATA[Solanum tuberosum]]></kwd>
<kwd lng="en"><![CDATA[yield]]></kwd>
</kwd-group>
</article-meta>
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