<?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>S0187-57792024000100143</article-id>
<article-id pub-id-type="doi">10.28940/terra.v42i.1751</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carbono de Biomasa Microbiana en Agrosistemas Cafetaleros de San Miguel Tzinacapan en Puebla, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Microbial Biomass Carbon in Coffee Agrosystems of San Miguel Tzinacapan, Puebla, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alcántara-Azuara]]></surname>
<given-names><![CDATA[Anna Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Flores]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castellanos-Moguel]]></surname>
<given-names><![CDATA[Judith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-López]]></surname>
<given-names><![CDATA[Miguel Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ángeles-Vázquez]]></surname>
<given-names><![CDATA[José Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vela-Correa]]></surname>
<given-names><![CDATA[Gilberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Metropolitana-Xochimilco Departamento de El Hombre y su Ambiente ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Laboratorio de Edafología y Fisiología de la Nutrición Vegetal Facultad de Estudios Superiores Zaragoza]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Querétaro Facultad de Química ]]></institution>
<addr-line><![CDATA[ Querétaro]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>42</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792024000100143&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792024000100143&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792024000100143&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El carbono de biomasa microbiana (CBM) es un indicador biológico utilizado para evaluar el efecto de las prácticas de manejo en suelos agrícolas, debido a la importancia que tienen los microorganismos para intercambiar nutrimentos y energía. En la comunidad de San Miguel Tzinacapan, perteneciente al municipio de Cuetzalan del Progreso en el estado de Puebla, una de las actividades económicas más importantes que se realiza es la producción de café. Sin embargo, los agricultores afirman que en los últimos años la producción a disminuido, al igual que la fertilidad de los suelos, lo que ha traído problemas económicos y de seguridad alimentaria, ya que su producción también es para autoconsumo. Se evalúa la relación que tiene el CBM en tres agrosistemas cafetaleros: el agrosistema (A-1) es un policultivo abonado con pollinaza; el segundo (A-2) a un policultivo abonado con composta; y el tercero (A-3) es un monocultivo convencional de café. Se realizaron dos muestreos de suelos uno durante la temporada de lluvias y otro en la temperada de sequía, para describir los componentes biofísicos y de labranza. Los parámetros físicos y químicos de los suelos se obtuvieron con técnicas estandarizadas y el CBM por el método de fumigación-incubación. El agrosistema A-1 presentó la mayor concentración de materia orgánica (10.6% en secas y 6.49% en lluvias), en carbono orgánico (6.15%), y cationes de intercambiables principalmente de Ca2+ (42.43 presentó en la época de secas, para el agrosistema A-1, la mayor concentración (0.93 g kg-1), seguido del agrosistema A-2 con 0.18 g kg-1). En cuanto a la salud del suelo el agrosistema A-1 obtuvo los valores más altos (8.6) de los parámetros evaluados en cada agrosistema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: Microbial biomass carbon (MBC) is a biological indicator used to evaluate the effect of management practices in agricultural soils, due to the importance of microorganisms in exchanging nutrients and energy. In the community of San Miguel Tzinacapan that belongs to the municipality of Cuetzalan del Progreso in the state of Puebla, one of the most important economic activities is coffee production. However, farmers claim that in recent years production has decreased, as well as soil fertility, which has brought economic and food security problems, since their production is also for self-consumption. Considering the above, the present study evaluates the relationship that MBC has in three typical coffee agrosystems of San Miguel Tzinacapan. Agrosystem (A-1) is a polyculture fertilized with chicken manure; the second one (A-2) is a polyculture fertilized with compost; and the third one (A-3) is a conventional coffee monoculture. Two soil samplings were carried out, one during the rainy season and the other during the dry season to describe the biophysical and tillage components. Soil physical and chemical parameters were obtained with standardized techniques and the MBC by the fumigation-incubation method. Among the results, agrosystem A-1 showed the highest concentration of organic matter (10.6% in dry seasons and 6.49% in rainy seasons), organic carbon (6.15 and 3.15%), and exchangeable cations especially Ca2+ (42.43 and 17.87 meq 100-1) and MBC (2.51 g kg-1). The lowest values were observed in agrosystem A-3 with an organic matter concentration of 3.86 and 4.60% during the dry and rainy seasons, respectively. The highest MBC concentration occurred during the dry season for agrosystem A-1, which had the highest concentration (0.93 g kg-1), followed by agrosystem A-2 with 0.18 g kg-1. Regarding soil health, agrosystem A-1 obtained the highest values (8.6) of the parameters evaluated in each agrosystem.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cuetzalan]]></kwd>
<kwd lng="es"><![CDATA[cultivo de café]]></kwd>
<kwd lng="es"><![CDATA[indicadores de suelo]]></kwd>
<kwd lng="es"><![CDATA[microbiota del suelo]]></kwd>
<kwd lng="en"><![CDATA[Cuetzalan]]></kwd>
<kwd lng="en"><![CDATA[coffee cultivation]]></kwd>
<kwd lng="en"><![CDATA[soil indicators]]></kwd>
<kwd lng="en"><![CDATA[soil microbiota]]></kwd>
</kwd-group>
</article-meta>
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