<?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>0377-9424</journal-id>
<journal-title><![CDATA[Agronomía Costarricense]]></journal-title>
<abbrev-journal-title><![CDATA[Agron. Costarricense]]></abbrev-journal-title>
<issn>0377-9424</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica. Colegio de Ingenieros y Agrónomos. Ministerio de Agricultura y Ganadería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0377-94242025000200003</article-id>
<article-id pub-id-type="doi">10.15517/a76bhh92</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cuatro funciones de pedotransferencia para estimar la retención de humedad en suelos: Evaluación de desempeño e implicaciones en el manejo del recurso hídrico]]></article-title>
<article-title xml:lang="en"><![CDATA[Four Pedotransfer functions for estimating soil water retention in soils: Performance evaluation and implications for water resources management]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hidalgo-Campos]]></surname>
<given-names><![CDATA[Carlos Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-Umaña]]></surname>
<given-names><![CDATA[Manuel E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica Escuela de Agronomía Centro de Investigaciones Agronómicas (CIA)]]></institution>
<addr-line><![CDATA[San Pedro de Montes de Oca ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica Escuela de Agronomía Centro de Investigaciones Agronómicas (CIA)]]></institution>
<addr-line><![CDATA[San Pedro de Montes de Oca ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<volume>49</volume>
<numero>spe1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0377-94242025000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0377-94242025000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0377-94242025000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Introducción. Un manejo técnico y económico, adecuado y eficiente de los recursos naturales como el suelo y agua, resulta fundamental e imperativo para garantizar una producción sostenible en los sistemas agrícolas. Las funciones de pedotransferencia (PTFs) son herramientas para la estimación de propiedades hidrológicas del suelo como la retención de humedad a partir de otras variables edáficas fácilmente disponibles. Objetivo. Evaluar el desempeño de cuatro funciones en la estimación del contenido de humedad del suelo a dos puntos (capacidad de campo CC y marchitez permanente PMP) en suelos de Costa Rica. Metodología. A partir de datos de perfiles de suelo disponibles para Costa Rica, se estimó los parámetros de ajuste de la ecuación de van Genuchten mediante dos funciones de pedotransferencia: Rosetta1 y Rosetta3. También se calculó la humedad de suelo (&#952;) a CC y PMP por medio de dos ecuaciones empíricas: Peele y Briggs. Estos datos se contrastaron con los valores correspondientes medidos en el laboratorio, y se calcularon parámetros de capacidad predictiva para evaluar el desempeño de las funciones. Resultados. Las ecuaciones empíricas de Peele y Briggs presentaron un desempeño muy bajo en la estimación de la humedad a CC y PMP. Las funciones Rosetta1 y Rosetta3 presentaron un buen desempeño en la determinación de los parámetros de ajuste de la ecuación de van Genuchten. Se observó desviaciones considerables entre los valores medidos de CC y PMP y los calculados mediante ambas PTFs evaluadas, en específico en Andisoles. Conclusión. Se sugiere tomar precauciones antes del uso e implementación de estas dos PTFs (Rosetta1 y Rosetta3) para la estimación del contenido de humedad del suelo, pues podría tener repercusiones en el manejo adecuado de los recursos agua y suelo. También se recomienda evitar el uso de las ecuaciones empíricas de Peele y Briggs en estimaciones de lámina de riego.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Introduction. Technical, economic, and efficient management of natural resources such as soil and water is fundamental and imperative to ensure sustainable agricultural production. Pedotransfer functions (PTFs) are tools for estimating soil hydrological properties, such as water retention, from other easily measurable soil variables. Objective. To evaluate the performance of four functions in estimating soil water content at two reference points field capacity (FC) and permanent wilting point (PWP) in Costa Rican soils. Methodology. Using soil profile data available for Costa Rica, the fitting parameters of the van Genuchten equation were estimated to calculate soil water content (&#952;) at FC and PWP through two functions: Rosetta1 and Rosetta3. These values were also derived using the empirical equations of Peele and Briggs. The estimated data were compared with laboratory measurements, and predictive performance indices were calculated to assess the accuracy of the functions. Results. The empirical equations of Peele and Briggs exhibited very poor performance in estimating soil water content at FC and PWP. In contrast, Rosetta1 and Rosetta3 demonstrated good performance in estimating the van Genuchten parameters. Nevertheless, considerable deviations between FC and PW7 measured and estimated values were observed, particularly in Andisols. Conclusion. Caution is advised when applying Rosetta1 and Rosetta3 for soil water content estimation, as inaccuracies may affect the appropriate management of soil and water resources. The use of Peele and Briggs&#8217; empirical equations is not recommended for irrigation scheduling.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[irrigación]]></kwd>
<kwd lng="es"><![CDATA[hidrología]]></kwd>
<kwd lng="es"><![CDATA[recursos naturales]]></kwd>
<kwd lng="es"><![CDATA[física de suelos]]></kwd>
<kwd lng="es"><![CDATA[agricultura]]></kwd>
<kwd lng="en"><![CDATA[irrigation]]></kwd>
<kwd lng="en"><![CDATA[hydrology]]></kwd>
<kwd lng="en"><![CDATA[natural resources]]></kwd>
<kwd lng="en"><![CDATA[soil physics]]></kwd>
<kwd lng="en"><![CDATA[agriculture]]></kwd>
</kwd-group>
</article-meta>
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<page-range>181-91</page-range><publisher-loc><![CDATA[Gentbrugge, Belgium. ]]></publisher-loc>
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<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y]]></given-names>
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<name>
<surname><![CDATA[Schaap]]></surname>
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<article-title xml:lang=""><![CDATA[Weighted recalibration of the Rosetta pedotransfer model with improved estimates of hydraulic parameter distributions and summary statistics (Rosetta3).]]></article-title>
<source><![CDATA[Journal of Hydrology]]></source>
<year>2017</year>
<volume>547</volume>
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