<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342020000400741</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v11i4.2462</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Manejo agroecológico para la restauración de la calidad del suelo]]></article-title>
<article-title xml:lang="en"><![CDATA[Agroecological management for the restoration of soil quality]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Sánchez]]></surname>
<given-names><![CDATA[María Edna]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-Torres]]></surname>
<given-names><![CDATA[Ranferi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nájera-Rosas]]></surname>
<given-names><![CDATA[Cinthia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cristóbal-Acevedo]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>4</numero>
<fpage>741</fpage>
<lpage>752</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342020000400741&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342020000400741&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342020000400741&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En el Centro Agroecológico &#8216;Las Cañadas&#8217; localizado en Huatusco, Veracruz, se implementó el manejo agroecológico de los sistemas de producción desde hace aproximadamente 20 años, como alternativa a los efectos negativos ocasionados por la agricultura convencional; sin embargo, se desconoce el efecto benéfico y la magnitud con la que cada uno de estos sistemas ha contribuido en la restauración de la calidad del suelo desde su implementación. En el presente trabajo se valoró el estado actual de la calidad del suelo de los diferentes sistemas agroecológicos de producción, así como del bosque natural a través de sus propiedades químicas y físicas y diagnosticar el estado de la fertilidad del suelo para la producción de cultivos. Se tomaron muestras compuestas de suelo de los diez sistemas de producción, así como de dos áreas de vegetación restaurada y natural, para determinar sus propiedades químicas y físicas, los insumos locales utilizados en el abonado de los cultivos también fueron caracterizados químicamente. En general, los sistemas ecológicos de producción; a través, de la adición de materia orgánica local, labranza mínima del suelo y adiciones complementarias de insumos han contribuido a la regeneración de la calidad natural del suelo en sus propiedades químicas, pero, el reciclaje de nutrientes a partir de los insumos locales es insuficiente para cubrir las necesidades nutrimentales de los cultivos para una óptima producción. El manejo agroecológico también ha contribuido a que propiedades físicas como microporosidad, humedad aprovechable y agregados estables hayan logrado alcanzar el nivel original en el suelo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the Agro-ecological Center &#8220;Las Cañadas&#8221; located in Huatusco, Veracruz, the agro-ecological management of production systems has been implemented for approximately 20 years, as an alternative to the negative effects caused by conventional agriculture; however, the beneficial effect and the magnitude with which each of these systems has contributed to the restoration of soil quality since its implementation is unknown. In the present work, the current state of the quality of the soil of the different agroecological production systems, as well as of the natural forest through its chemical and physical properties and the diagnosis of the state of soil fertility for crop production, were assessed. Composite soil samples were taken from the ten production systems, as well as from two areas of restored and natural vegetation, to determine their chemical and physical properties, the local inputs used in the fertilizer of the crops were also chemically characterized. In general, ecological production systems; through the addition of local organic matter, minimal tillage of the soil and complementary additions of inputs have contributed to the regeneration of the natural quality of the soil in its chemical properties, but the recycling of nutrients from local inputs is insufficient to cover the nutritional needs of crops for optimal production. Agroecological management has also contributed to the fact that physical properties such as microporosity, usable humidity and stable aggregates have managed to reach the original level in the soil.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[compostas]]></kwd>
<kwd lng="es"><![CDATA[manejo biointensivo]]></kwd>
<kwd lng="es"><![CDATA[propiedades físicas]]></kwd>
<kwd lng="es"><![CDATA[propiedades químicas]]></kwd>
<kwd lng="en"><![CDATA[biointensive management]]></kwd>
<kwd lng="en"><![CDATA[chemical properties]]></kwd>
<kwd lng="en"><![CDATA[compost]]></kwd>
<kwd lng="en"><![CDATA[physical properties]]></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[Altieri]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nicholls]]></surname>
<given-names><![CDATA[C. I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conversión agroecológica de sistemas convencionales de producción: teoría, estrategias y evaluación]]></article-title>
<source><![CDATA[Ecosistemas]]></source>
<year>2007</year>
<volume>1</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>3-12</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez-Sánchez]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Marín-Campos]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual de procedimientos analíticos de suelo y planta. Laboratorio de suelos, Departamento de Suelos]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Chapingo. Estado de México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma Chapingo (UACH)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chauveau]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gastó]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Clunes]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Dörner]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto del cambio de manejo de una pradera degradada sobre la resiliencia física de un suelo en la precordillera andina de la Araucanía]]></article-title>
<source><![CDATA[Agro sur]]></source>
<year>2015</year>
<volume>2</volume>
<numero>43</numero>
<issue>43</issue>
<page-range>19-28</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chien]]></surname>
<given-names><![CDATA[S. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factors affecting the agronomic effectiveness of phosphate rock for direct application]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Rajan]]></surname>
<given-names><![CDATA[S. S. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Chien]]></surname>
<given-names><![CDATA[S. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[direct application of phosphate rock and related technology: latest. development and practical experiences]]></source>
<year>2003</year>
<page-range>50-62</page-range><publisher-loc><![CDATA[Alabama, USA ]]></publisher-loc>
<publisher-name><![CDATA[IFDC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cisneros]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ambientes y agricultura en la zona central del estado de Veracruz]]></source>
<year>2000</year>
<publisher-loc><![CDATA[México, DF ]]></publisher-loc>
<publisher-name><![CDATA[FES-Cuautitlán, Universidad Nacional Autónoma de México (UNAM)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dal Ferro]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Sartori]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Simonetti]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Berti]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Morari]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil macro-and microstructure as affected by different tillage systems and their effects on maize root growth]]></article-title>
<source><![CDATA[Soil and Tillage Research]]></source>
<year>2014</year>
<volume>140</volume>
<page-range>55-65</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<collab>USDA</collab>
<source><![CDATA[Departamento de Agricultura de los Estados Unidos. Guía para la evaluación de la calidad y salud del suelo]]></source>
<year>1999</year>
<publisher-name><![CDATA[Departamento de Agricultura de los Estados Unidos]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dexter]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil physical quality: Part I. Theory, effects of soil texture, density, and organic matter, and effects on root growth]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2004</year>
<volume>3-4</volume>
<numero>120</numero>
<issue>120</issue>
<page-range>201-14</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dexter]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Compression of soil around roots]]></article-title>
<source><![CDATA[Plant and Soil]]></source>
<year>1987</year>
<volume>3</volume>
<numero>97</numero>
<issue>97</issue>
<page-range>401-6</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ecker]]></surname>
<given-names><![CDATA[D J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil testing interpretations: basic cation saturation ratios and sufficiency levels]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[soil testing: sampling, correlation, calibration and interpretation]]></source>
<year>1987</year>
<page-range>53-64</page-range><publisher-loc><![CDATA[Madison Wisconsin, USA ]]></publisher-loc>
<publisher-name><![CDATA[Soil Science Society of America. Inc]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elrick]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[W. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Infiltration from constanthead well permeameters and infiltrometers]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Madison Topp]]></surname>
<given-names><![CDATA[G. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[W. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Advances in measurement of soil physical properties: bringing theory into practice]]></source>
<year>1992</year>
<page-range>1-24</page-range><publisher-loc><![CDATA[WI, USA ]]></publisher-loc>
<publisher-name><![CDATA[Soil Science Society of America]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fageria]]></surname>
<given-names><![CDATA[N. K.]]></given-names>
</name>
</person-group>
<source><![CDATA[The use of nutrients in crop plants]]></source>
<year>2009</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[CRC Press.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual de procedimientos analíticos]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Ciudad de México, México ]]></publisher-loc>
<publisher-name><![CDATA[Laboratorio de Física de Suelos. Departamento de Edafología-Universidad Nacional Autónoma de México (UNAM)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gliessman]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agroecología: procesos ecológicos en Agricultura Sostenible]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Turrialba ]]></publisher-loc>
<publisher-name><![CDATA[CATIE]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gliessman]]></surname>
<given-names><![CDATA[S. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Engles]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Krieger]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agroecology: ecological processes in sustainable agriculture]]></source>
<year>1998</year>
<publisher-loc><![CDATA[Boca Ratón, Florida, USA ]]></publisher-loc>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Golchin]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Baldock]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Oades]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A model linking organic matter decomposition, chemistry and aggregate dynamics]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Lai]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Kimble]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Follett]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil processes and the carbon cycle]]></source>
<year>1998</year>
<page-range>245-66</page-range><publisher-name><![CDATA[Boca Raton, Fl. USA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plan municipal de desarrollo rural sustentable 2006]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Huatusco, Veracruz ]]></publisher-loc>
<publisher-name><![CDATA[Consejo Municipal de Desarrollo Rural Sustentable]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jama]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Palm]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Buresh]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Niang]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gachengo]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Nziguheba]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Amadalo]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tithonia diversifolia as a green manure for soil fertility improvement in western Kenya: a review]]></article-title>
<source><![CDATA[Agroforestry Systems]]></source>
<year>2000</year>
<volume>2</volume>
<numero>49</numero>
<issue>49</issue>
<page-range>201-21</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jensen]]></surname>
<given-names><![CDATA[H. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kristensen]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Jeppesen]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Skytthe]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Iron: phosphorus ratio in surface sediment as an indicator of phosphate release from aerobic sediments in shallow lakes]]></article-title>
<source><![CDATA[Hydrobiology]]></source>
<year>1992</year>
<volume>235</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>731-43</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[John]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[B. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[V. J. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Método de mini-cultivo biointensivo sustentable. Manual de Capacitación]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Costa Rica ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prasad]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Power]]></surname>
<given-names><![CDATA[J. M. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil fertility management for sustainable agriculture]]></source>
<year>1997</year>
<publisher-loc><![CDATA[Boca Raton, Florida ]]></publisher-loc>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rey]]></surname>
<given-names><![CDATA[C. J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bustamante]]></surname>
<given-names><![CDATA[B. I. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Inventario de áreas erosionadas, rangos de pendiente y unidades de suelo del estado de Veracruz]]></source>
<year>1982</year>
<publisher-loc><![CDATA[Chapingo Estado de México ]]></publisher-loc>
<publisher-name><![CDATA[Dirección General de Conservación de Suelo y Agua, SARH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salcedo-Pérez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Galvis-Spinola]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zamora-Natera]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Mendoza]]></surname>
<given-names><![CDATA[T. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bugarin-Montoya]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Macías]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Carrillo-González]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La humedad aprovechable y su relación con la materia orgánica y superficie específica del suelo]]></article-title>
<source><![CDATA[Terra Latinoam.]]></source>
<year>2007</year>
<volume>4</volume>
<numero>25</numero>
<issue>25</issue>
<page-range>419-25</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Castilla]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Alegre]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Grazing pressure effects on the pasture degradation process]]></source>
<year>1989</year>
<page-range>182-7</page-range><publisher-loc><![CDATA[Raleigh, NC, USA ]]></publisher-loc>
<publisher-name><![CDATA[CIAT]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soracco]]></surname>
<given-names><![CDATA[C. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lozano]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Balbuena]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ressia]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Filgueira]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contribución de la macroporosidad al flujo de agua de un suelo bajo diferentes sistemas de labranza]]></article-title>
<source><![CDATA[Rev. Bras. Ciênc. Solo.]]></source>
<year>2012</year>
<volume>4</volume>
<numero>36</numero>
<issue>36</issue>
<page-range>1149-56</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stopes]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lord]]></surname>
<given-names><![CDATA[E. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Philipps]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Woodward]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrate leaching from organic farms and conventional farms following best practice]]></article-title>
<source><![CDATA[Soil Use and Management]]></source>
<year>2002</year>
<volume>1</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>256-63</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Touchton]]></surname>
<given-names><![CDATA[J. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Reeves]]></surname>
<given-names><![CDATA[D. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Delaney]]></surname>
<given-names><![CDATA[D. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tillage systems for summer crops following winter grazing]]></article-title>
<source><![CDATA[Proc. 1989 Southern Conservation Tillage Conference]]></source>
<year>1989</year>
<page-range>72-5</page-range><publisher-loc><![CDATA[Tallahassee, Florida. USA ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wood]]></surname>
<given-names><![CDATA[R. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[R. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Brodbeck]]></surname>
<given-names><![CDATA[K. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Carpenter]]></surname>
<given-names><![CDATA[T. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Reeder]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil physical properties as affected by traffic: single, dual, and flotation tires]]></article-title>
<source><![CDATA[Transactions of the ASAE]]></source>
<year>1991</year>
<volume>34</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2363-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
