<?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>2071-0054</journal-id>
<journal-title><![CDATA[Revista Ciencias Técnicas Agropecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cie Téc Agr]]></abbrev-journal-title>
<issn>2071-0054</issn>
<publisher>
<publisher-name><![CDATA[Universidad Agraria de La Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2071-00542022000400005</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Water Consumptions and Crop Coefficients in Avocado Young Tress cv Govin]]></article-title>
<article-title xml:lang="es"><![CDATA[Consumo de agua y coeficientes de cultivo en plantaciones de fomento de aguacate cv Govin]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tejeda-Marrero]]></surname>
<given-names><![CDATA[Víctor Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Puebla]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarmiento-García]]></surname>
<given-names><![CDATA[Orlando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Cruz]]></surname>
<given-names><![CDATA[Karell]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chaterlán-Durruthy]]></surname>
<given-names><![CDATA[Yoima]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Investigaciones de Ingeniería Agrícola (IAgric)  ]]></institution>
<addr-line><![CDATA[Boyeros La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>31</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2071-00542022000400005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2071-00542022000400005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2071-00542022000400005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT A potential increase in the areas planted with avocado in Cuba will demand an increase in the areas under irrigation for this crop, which will require the most precise knowledge of their irrigation demands. In response to the above, the present work was carry out in a young plantation of avocado cv Govin planted with a 6 x 6 m frame in Red Ferralitic soil in the municipality of Alquizar, Artemisa Province, Cuba and irrigated through porous pipes. Water consumption was calculated using the simplified water balance equation and soil moisture variation was monitored with tensiometers placed at depths from 15 to 90 cm whose readings were converted to soil moisture using the calibration equations determined in situ. The ETo was determined using the Penman-Monteith equation. The total ETc in the period February/2020-May/2021, was 965.4 mm when the plants reached an average height of 126 cm vs. 20 cm at the planting date. Average daily values &#8203;&#8203;of decennial consumption were 2.72, 2.26 and 2.01 for the periods of February-April 2020, May to October 2020 and January-April 2021, with Kc values &#8203;&#8203;of 0.47 and 0.48 for the rainy and dry seasons, respectively. These coefficients can be used in determining the demand for water for avocado plantations in development. Given the scarcity of information on the irrigation demand and its effect on the production of this crop, it is necessary to continue research that includes plantations in production and other cultivars.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Un potencial aumento de las áreas plantadas de aguacate en Cuba, demandará un incremento de las áreas bajo riego del cultivo, lo que requerirá un conocimiento preciso de las demandas de riego del mismo. En atención a lo anterior, se desarrolló el presente trabajo en una plantación en fomento de aguacate, cv Govin, con marco de siembra de 6 x 6 m, en suelo Ferralítico Rojo en el municipio de Alquizar (provincia de Artemisa, Cuba) y regada mediante tuberías porosas. El consumo de agua fue calculado utilizando la ecuación de balance hídrico simplificado y la variación de la humedad en el suelo fue monitoreada con tensiómetros colocados a profundidades desde 15 a 90 cm, cuyas lecturas fueron convertidas a humedad del suelo utilizando las ecuaciones de calibración determinadas in situ, mientras que la ETo fue determinada mediante la ecuación de Penman-Monteith. La ETc total en el período febrero/2020-mayo/2021, fue de 965.4 mm cuando las plantas alcanzaron una altura promedio de 126 cm vs 40 cm a la fecha de plantación; los valores promedios diarios de consumo decenal tuvieron valores de 2.72, 2.26 y 2.01 para los períodos de febrero-abril 2020, mayo a octubre 2020 y enero abril 2021, con valores de Kc de 0.47 y 0.48 para la estación lluviosa y poco lluviosa respectivamente, coeficientes estos que pueden ser utilizados en la determinación de la demanda de agua para aguacate en fomento.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Water Requirements]]></kwd>
<kwd lng="en"><![CDATA[Crop Growth]]></kwd>
<kwd lng="en"><![CDATA[Water Consumption]]></kwd>
<kwd lng="es"><![CDATA[Requerimientos de agua]]></kwd>
<kwd lng="es"><![CDATA[crecimiento del cultivo]]></kwd>
<kwd lng="es"><![CDATA[consumo de agua]]></kwd>
</kwd-group>
</article-meta>
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