<?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>S0871-018X2022000300621</article-id>
<article-id pub-id-type="doi">10.19084/rca.28559</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Los suelos de viñedos manejados con cubiertas espontáneas mejoran su capacidad de secuestro de carbono]]></article-title>
<article-title xml:lang="en"><![CDATA[Soils of vineyards managed with spontaneous grass cover improve their ability to store organic carbon]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Romano]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marqués-Pérez]]></surname>
<given-names><![CDATA[María José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-González]]></surname>
<given-names><![CDATA[Marco Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carral-González]]></surname>
<given-names><![CDATA[Pilar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-González]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sastre]]></surname>
<given-names><![CDATA[Blanca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Díez]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Organero]]></surname>
<given-names><![CDATA[Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Madrid Departamento de Geología y Geoquímica ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,IMIDRA Departamento de Investigación Aplicada y Extensión Agraria ]]></institution>
<addr-line><![CDATA[Madrid ]]></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>621</fpage>
<lpage>630</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2022000300621&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2022000300621&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2022000300621&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La situación de pobreza endémica de carbono orgánico de los cultivos leñosos españoles es bien conocida. El laboreo excesivo mineraliza la materia orgánica y degrada los suelos agrícolas. El manejo mediante cubiertas vegetales puede sustituir al laboreo para aumentar el carbono orgánico del suelo, mejorar sus características y ser un sumidero más eficaz. Se presentan resultados de carbono orgánico oxidable y disuelto (COD) en un viñedo del centro España tras 10 años de manejo con laboreo y con cubiertas vegetales espontáneas segadas en calles alternas. Se estudian 3 capas del suelo, hasta 50cm de profundidad. Los cambios son evidentes en superficie, hasta unos 20cm, donde la materia orgánica aumenta desde 1.8 con laboreo hasta 2.5 % con cubiertas, también aumenta el COD, de 8.9 a 10.5 mg/L. No se han detectado diferencias significativas en las capas más profundas (35 y 50cm), pero se ha observado una tendencia clara a que el COD aumente en relación al contenido de carbono orgánico a 50cm. El desplazamiento del COD hacia horizontes más profundos se interpreta como una nueva ventaja de las cubiertas para mejorar la capacidad de secuestro de carbono a más largo plazo de estos suelos agrícolas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The endemic scarcity of organic carbon in soils of Spanish woody crops is well known. Excessive tillage mineralizes organic matter and degrades agricultural soils. Soil management through grass covers can replace tillage and increase the soil organic carbon, leading to improvements of soil condition and acting as a more efficient carbon sink. Organic and dissolved carbon (DOC) results are presented in this work, in a vineyard located in the center of Spain; soils have been managed with alternate strips of tilled, and mowed spontaneous grass covers for the last 10 years. The study includes data from 3 soil layers, up to 50cm deep. Changes are evident in the upper layer, by 20cm, where organic matter increases from 1.8 in tilled soils to 2.5% in grassed soils; DOC also increases, from 8.9 to 10.5 mg/L. No significant differences have been detected in the deepest layers (by 35 and 50cm), however, a clear tendency has been observed for DOC to increase in relation to the organic carbon content at 50cm. The movement of DOC to deeper horizons is seen as a new advantage of the grass covers to improve the capacity of carbon sequestration in the long term of these agricultural soils.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[secuestro de carbono]]></kwd>
<kwd lng="es"><![CDATA[carbono orgánico disuelto]]></kwd>
<kwd lng="es"><![CDATA[cambio climático]]></kwd>
<kwd lng="es"><![CDATA[viñedo]]></kwd>
<kwd lng="es"><![CDATA[calcisol]]></kwd>
<kwd lng="en"><![CDATA[carbon sequestration]]></kwd>
<kwd lng="en"><![CDATA[dissolved organic carbon]]></kwd>
<kwd lng="en"><![CDATA[climate change]]></kwd>
<kwd lng="en"><![CDATA[vineyard]]></kwd>
<kwd lng="en"><![CDATA[calcisol]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blavet]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[De Noni]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Le Bissonnais]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Leonard]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Maillo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Laurent]]></surname>
<given-names><![CDATA[J.Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Asseline]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Leprun]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Arshad]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Roose]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of land use and management on the early stages of soil water erosion in French Mediterranean vineyards]]></article-title>
<source><![CDATA[Soil Tillage Research]]></source>
<year>2009</year>
<volume>106</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>124-36</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calvo de Anta]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Luís]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Febrero-Bande]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Galiñanes]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortíz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Casás]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil organic carbon in peninsular Spain: Influence of environmental factors and spatial distribution]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2020</year>
<volume>370</volume>
<page-range>114365</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Emmett]]></surname>
<given-names><![CDATA[B.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Beier]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Estiarte]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Tietema]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kristensen]]></surname>
<given-names><![CDATA[H.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Peñuelas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Sowerby]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The response of soil processes to climate change: Results from manipulation studies of shrublands across an environmental gradient]]></article-title>
<source><![CDATA[Ecosystems]]></source>
<year>2004</year>
<volume>7</volume>
<page-range>625-37</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="">
<collab>FAO</collab>
<collab>ITPS</collab>
<source><![CDATA[Global Soil Organic Carbon Map (GSOCmap)]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Rome ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<collab>FAO</collab>
<source><![CDATA[A protocol for measurement, monitoring, reporting and verification of soil organic carbon in agricultural landscapes - GSOC-MRV Protocol]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Rome ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<collab>INIA</collab>
<source><![CDATA[El Encín, suelo y clima]]></source>
<year>1977</year>
<publisher-name><![CDATA[Departamento de Ecología]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Willett]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Experimental evaluation of methods to quantify dissolved organic nitrogen (DON) and dissolved organic carbon (DOC) in soil]]></article-title>
<source><![CDATA[Soil Biology and Biochemistry]]></source>
<year>2005</year>
<volume>38</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>991-9</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaiser]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kalbitz]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cycling downwards-dissolved organic matter sin soils]]></article-title>
<source><![CDATA[Soil Biology and Biochemistry]]></source>
<year>2012</year>
<volume>52</volume>
<page-range>29-32</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rumpel]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Amiraslani]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Chenu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cardenas]]></surname>
<given-names><![CDATA[M.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Kaonga]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Koutika]]></surname>
<given-names><![CDATA[L.-S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ladha]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Madari]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Shirato]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Soudi]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Soussana]]></surname>
<given-names><![CDATA[J.-F.]]></given-names>
</name>
<name>
<surname><![CDATA[Whitehead]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Wollenberg]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The 4p1000 initiative: Opportunities, limitations and challenges for implementing soil organic carbon sequestration as a sustainable development strategy]]></article-title>
<source><![CDATA[Ambio]]></source>
<year>2020</year>
<volume>49</volume>
<page-range>350-60</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thiele-Bruhn]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bloem]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[de Vries]]></surname>
<given-names><![CDATA[F.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Kalbitz]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Wagg]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Linking soil biodiversity and agricultural soil management]]></article-title>
<source><![CDATA[Environmental Sustainability]]></source>
<year>2012</year>
<volume>4</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>523-8</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van der Wal]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[De Boer]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dinner in the dark: Illuminating drivers of soil organic matter decomposition]]></article-title>
<source><![CDATA[Soil Biology and Biochemistry]]></source>
<year>2017</year>
<volume>105</volume>
<page-range>45-8</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Walkley]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[I.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An examination of Degtjareff method for determining soil organic matter and a proposed modification of the chromic acid titration method]]></article-title>
<source><![CDATA[Soil Science]]></source>
<year>1934</year>
<volume>37</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>29-38</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
