<?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>0187-5779</journal-id>
<journal-title><![CDATA[Terra Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Terra Latinoam]]></abbrev-journal-title>
<issn>0187-5779</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de la Ciencia del Suelo A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-57792017000200179</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Calidad de Andosols en sistemas forestal, agroforestal y agrícola con diferentes manejos en Zacatlán, Puebla]]></article-title>
<article-title xml:lang="en"><![CDATA[The quality of Andosols under forestry, agroforestry and agricultural management in Zacatlán, Puebla]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Ordoñez]]></surname>
<given-names><![CDATA[Jonathan Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Castorena]]></surname>
<given-names><![CDATA[Ma. del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz Solorio]]></surname>
<given-names><![CDATA[Carlos Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Guzmán]]></surname>
<given-names><![CDATA[Patricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ángeles Cervantes]]></surname>
<given-names><![CDATA[Efraín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Área de Génesis, Morfología y Clasificación de Suelos, Edafología ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,UNAM FES Zaragoza ]]></institution>
<addr-line><![CDATA[Ciudad de México, CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>35</volume>
<numero>2</numero>
<fpage>179</fpage>
<lpage>189</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792017000200179&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792017000200179&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792017000200179&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los estudios de suelos en sistemas agroforestales relacionados con bosques mesófilos de montaña han sido poco abordados en nuestro país, especialmente los desarrollados en Andosols, los cuales son susceptibles a los procesos de degradación por el cambio de uso del suelo. El presente estudio se realizó en el municipio de Zacatlán, Puebla con el objetivo de caracterizar la calidad de los Andosols bajo diferentes sistemas de manejo. Los métodos que se emplearon fueron: entrevistas a productores para identificar los sistemas, descripción de perfiles de suelos, análisis de laboratorio y análisis de similaridad de los diferentes manejos. Los resultados indicaron que la zona de estudio está integrada por tres sistemas: bosque mesófilo de Montaña (BMM), agroforestal (asociaciones manzana-maíz-calabaza-arándanos) y agrícola, con adición de abonos orgánicos (FO) o fertilización inorgánica (FI). En los Andosols con BMM, la estructura biológica domina (agregados migajosos y granulares hasta los 55 cm de profundidad), presentan alto contenido de materia orgánica del suelo (MOS) (31%), alta retención de humedad (194.5%) y baja densidad aparente (Da) (0.49 g cm-3). Con el cambio de uso de suelo (de bosque a agroforestal o agrícola), la estructura biológica se reduce en espesor o desaparece y dominan los bloques sub-angulares, debido a la disminución drástica del contenido de MOS (a 16.3 o a 6.3%), y retención de humedad (de 97 o a 47%). Además, la Da aumentó hasta 1 g cm-3 en el sistema agrícola. Por el contrario, en tierras degradadas, el sistema agroforestal con manejo orgánico ha mejorado la calidad del horizonte superficial en menos de seis años y con la FO o FI algunos sistemas agroforestales aumentaron los contenidos de Ntot y P. Los índices que mejor caracterizaron la calidad de los Andosols bajo diferentes sistemas fueron: estructura del suelo, MOS, Ntot, P y retención de humedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Soil studies on agroforestry systems related to cloud forests have been poorly studied in our country, especially those systems that develop in Andosols, which are very susceptible to land degradation processes with changes in land use. The present study was carried out in the municipality of Zacatlán, Puebla, to characterize the quality of Andosols under different management systems. The methods used were interviews with producers to identify the systems, description of soil profiles, laboratory analysis and similarity analysis of different management systems. In addition, with edaphic information, quality indices of the different management systems were established. The results indicate that the study area is composed of three systems: cloud forest, agroforestry (apple-blueberry-pumpkin-maize-associations) and agricultural management, with addition of organic and inorganic fertilization (OF and IF, respectively). In Andosols under cloud forests, the biological structure is dominant (crumb texture and granular aggregates, up to 55 cm deep). Furthermore, they have high contents of soil organic matter (31%), high moisture retention (194.5%), and low bulk density 0.49 g cm-3. With land use change (to agroforestry or agricultural), the biological structure is reduced in thickness or even disappears from the topsoil, and sub-angular blocks dominate, due to the drastic decrease in organic matter content (16.3 to 6.3%), and water retention (97 to 47%). In addition, bulk density increases from 0.49 to 1 g cm-3 in the agricultural system. Conversely, in degraded lands, agroforestry systems with organic fertilization has improved the quality of the surface horizon in less than six years, and with organic or inorganic fertilization some agroforestry systems increase the contents of total N and P. The indexes that best characterize the quality of the Andosols under different systems are soil structure, soil organic matter, Ntot, and moisture retention.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bosque mesófilo]]></kwd>
<kwd lng="es"><![CDATA[manejo orgánico e inorgánico]]></kwd>
<kwd lng="es"><![CDATA[estructura del suelo]]></kwd>
<kwd lng="en"><![CDATA[cloud forest]]></kwd>
<kwd lng="en"><![CDATA[organic and inorganic fertilization]]></kwd>
<kwd lng="en"><![CDATA[soil structure]]></kwd>
</kwd-group>
</article-meta>
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