<?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>2007-4026</journal-id>
<journal-title><![CDATA[Ingeniería agrícola y biosistemas]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. agric. biosist.]]></abbrev-journal-title>
<issn>2007-4026</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Chapingo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40262022000100003</article-id>
<article-id pub-id-type="doi">10.5154/r.inagbi.2021.04.065</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Soil quality in garlic crops under agroecological transition at Río Negro, Argentina]]></article-title>
<article-title xml:lang="es"><![CDATA[Calidad del suelo en el cultivo de ajo en transición agroecológica en río Negro, Argentina]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Avilés]]></surname>
<given-names><![CDATA[Lucrecia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gajardo]]></surname>
<given-names><![CDATA[Ariel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Canón]]></surname>
<given-names><![CDATA[Silvia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional del Comahue Centro Universitario Regional Zona Atlántica Ayacucho y Esandi ]]></institution>
<addr-line><![CDATA[Viedma Río Negro]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Recursos Naturales Renovables de la Zona Semiárida  ]]></institution>
<addr-line><![CDATA[Bahía Blanca Buenos Aires]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Unidad Integrada para la Innovación del Sistema Agroalimentario de la Patagonia Norte  ]]></institution>
<addr-line><![CDATA[ Río Negro]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>14</volume>
<numero>1</numero>
<fpage>3</fpage>
<lpage>15</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40262022000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40262022000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40262022000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Agroecological transition is the adoption of different practices that tend towards sustainable agriculture, among which the substitution of synthetic inputs by alternative or organic ones stands out.  Objective:  To evaluate the changes in the physicochemical and biological quality of soils fertilized with onion residue compost and cattle manure in a garlic crop.  Methodology:  Three sources of fertilization were tested in a garlic crop with gravity irrigation: 1) compost of onion residues with cattle manure, 2) monoammonium phosphate and 3) compost and monoammonium phosphate. Five soil samples were taken on different dates and soil respiration, esterase and dehydrogenase activity, and fertility were determined.  Results:  Similar garlic yields were obtained with the different fertilization sources. In composted soils, electrical conductivity and sodium absorption ratio decreased, but increased until reaching similar values to the soil that received mineral fertilization.  Limitations of the study:  The agroecological transition proposal is sustainable if compost production is carried out on the same site.  Originality:  The use of compost from onion production residues and cattle manure is proposed as an alternative for the reduction of synthetic inputs in the production of morado garlic.  Conclusions: The use of composted residues from the previous cycles production proved to be a sustainable alternative for the agroecological transition of morado garlic crops with gravity irrigation in the lower valley of Río Negro.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  La transición agroecológica es la adopción de diferentes prácticas que tienden a una agricultura sostenible, entre las cuales destaca la sustitución de insumos sintéticos por otros alternativos u orgánicos.  Objetivo:  Evaluar los cambios en la calidad físico-química y biológica de los suelos abonados con compostaje de residuos de cebolla y estiércol bovino en un cultivo de ajo.  Metodología:  En un cultivo de ajo con riego gravitacional se probaron tres fuentes de fertilización: 1) compostaje de residuos de cebolla con estiércol bovino, 2) fosfato monoamónico y 3) compostaje más fosfato monoamónico. Se tomaron cinco muestras suelo en fechas diferentes y se determinó la respiración edáfica, la actividad de la esterasa y la deshidrogenasa, y la fertilidad.  Resultados:  Se obtuvieron rendimientos similares de ajo con las diferentes fuentes de fertilización. En los suelos con compostaje disminuyeron la conductividad eléctrica y la relación de absorción de sodio, pero fueron aumentando hasta alcanzar valores similares al suelo que recibió fertilización mineral.  Limitaciones del estudio:  La propuesta de transición agroecológica resulta sustentable si la producción del compostaje se realiza en el mismo establecimiento.  Originalidad:  Se propone el uso de compostaje de los residuos de la producción de cebolla y estiércol bovino como alternativa para la reducción de insumos sintéticos en la producción de ajo morado.  Conclusiones: La aplicación de compostaje de residuos de la producción de ciclos anteriores resultó una alternativa sustentable para la transición agroecológica del cultivo de ajo morado con riego gravitacional en el valle inferior del río Negro.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Allium sativa]]></kwd>
<kwd lng="en"><![CDATA[salinity]]></kwd>
<kwd lng="en"><![CDATA[fertility]]></kwd>
<kwd lng="en"><![CDATA[soil respiration]]></kwd>
<kwd lng="en"><![CDATA[enzymatic activity]]></kwd>
<kwd lng="es"><![CDATA[Allium sativa]]></kwd>
<kwd lng="es"><![CDATA[salinidad]]></kwd>
<kwd lng="es"><![CDATA[fertilidad]]></kwd>
<kwd lng="es"><![CDATA[respiración edáfica]]></kwd>
<kwd lng="es"><![CDATA[actividad enzimática]]></kwd>
</kwd-group>
</article-meta>
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