<?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>0871-018X</journal-id>
<journal-title><![CDATA[Revista de Ciências Agrárias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. de Ciências Agrárias]]></abbrev-journal-title>
<issn>0871-018X</issn>
<publisher>
<publisher-name><![CDATA[Sociedade de Ciências Agrárias de Portugal]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0871-018X2022000300491</article-id>
<article-id pub-id-type="doi">10.19084/rca.28500</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efectos de la aplicación de biochar de alperujo como enmienda en suelos de olivar superintensivo]]></article-title>
<article-title xml:lang="en"><![CDATA[Application of olive pomace biochar as soil amendment for intensive olive crops]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosa]]></surname>
<given-names><![CDATA[José M. de la]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[Ana Z.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Pérez]]></surname>
<given-names><![CDATA[José A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[Paloma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Recursos Naturales y Agrobiología de Sevilla MOSS group ]]></institution>
<addr-line><![CDATA[Seville ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University of Seville Departamento de Cristalografía, Mineralogía y Química Agrícola ]]></institution>
<addr-line><![CDATA[Seville ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>491</fpage>
<lpage>500</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2022000300491&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2022000300491&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2022000300491&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La agroindustria del aceite de oliva es un importante sector económico en los países mediterráneos, cuya producción va acompañada de la generación de enormes cantidades de residuos orgánicos. La reciente proliferación de olivares superintensivos, más rentables, genera una mayor demanda de agua para riego y está aumentando la producción de estos residuos. La conversión de los residuos de almazara en biochar mediante pirólisis, para su posterior uso como enmienda orgánica en suelos de olivar superintensivo, podría contribuir a solucionar ambos problemas, ya que el biochar tiene una alta porosidad y contenido en carbono orgánico de alta estabilidad. Sin embargo, los efectos de su aplicación en las propiedades del suelo y en la fisiología del olivo no son bien conocidos. Este estudio aborda los efectos de la aplicación de biochar de alperujo de almazara, de compost vegetal (enmienda orgánica tradicional) y de la mezcla de ambos sobre las propiedades de un suelo (Xerochrept) y en la fisiología de olivos de &#8220;arbequina&#8221;. Esta plantación de olivar superintensivo y riego deficitario está situada en la estación experimental del IRNAS-CSIC "La Hampa" (Coria del Río, Sevilla, España). Tanto el biochar como el compost redujeron la resistencia a la penetración e incrementaron el contenido en Carbono orgánico y la humedad del suelo. La aplicación de biochar resultó más eficaz para aumentar la capacidad de retención de agua y la humedad del sueloy el estatus hídrico de los olivos en la fase anterior a la cosecha sin incrementar las tasas de respiración (emisión de CO2) del suelo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The olive oil agro-industry is an important economic sector in Mediterranean countries, whose production is accompanied by the generation of huge quantities of organic waste. The recent proliferation of super-intensive olive groves, more profitable, generates a greater demand of water for irrigation and is increasing the production of organic waste. The conversion of these olive mill wastes into biochar by pyrolysis, for subsequent use as an organic amendment in super-intensive olive grove soils, could contribute to solving both problems, since biochar has a high porosity and a highly stable organic carbon content. Nevertheless, the effects of its application on soils properties and plant physiology are still not well known. This study addresses the effects of the application of olive mill pomace (alperujo) biochar, 100% vegetable compost (traditionally used organic amendment) and the mix of both organic amendments on the properties of a Xerochrept soil and on the physiology of &#8220;arbequina&#8221; olive trees&#8221;. The super-intensive olive trees plantation, with irrigation deficit, is located in the IRNAS-CSIC field station "La Hampa" (Coria del Río, Seville, Spain). Both biochar and compost reduced soil penetration resistance and increased soil organic Carbon and moisture content. However, the application of biochar was more effective than the addition of green compost or the compost+biochar mixture in increasing soil moisture. Biochar application improved soil physical properties and plant water status at the pre-harvest phase without increasing soil respiration (CO2 emission) rates.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[sostenibilidad]]></kwd>
<kwd lng="es"><![CDATA[materia orgánica]]></kwd>
<kwd lng="es"><![CDATA[propiedades hídricas]]></kwd>
<kwd lng="es"><![CDATA[fisiología vegetal]]></kwd>
<kwd lng="es"><![CDATA[economía circular]]></kwd>
<kwd lng="en"><![CDATA[sustainability]]></kwd>
<kwd lng="en"><![CDATA[organic matter]]></kwd>
<kwd lng="en"><![CDATA[water properties]]></kwd>
<kwd lng="en"><![CDATA[plant physiology]]></kwd>
<kwd lng="en"><![CDATA[circular economy]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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