<?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>1909-0455</journal-id>
<journal-title><![CDATA[Producción + Limpia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. P+L]]></abbrev-journal-title>
<issn>1909-0455</issn>
<publisher>
<publisher-name><![CDATA[Corporación Universitaria Lasallista]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1909-04552022000100148</article-id>
<article-id pub-id-type="doi">10.22507/pml.v17n1a9</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Potencial de mineralización de Nitrógeno de suelos del valle interandino de Huánuco]]></article-title>
<article-title xml:lang="en"><![CDATA[Nitrogen Mineralization Potential of Soil's Inter-Andean Valley of Huanuco]]></article-title>
<article-title xml:lang="pt"><![CDATA[Potencial De Mineralização De Nitrogênio Dos Solos Do Vale Interandino De Huánuco]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vega-Jara]]></surname>
<given-names><![CDATA[Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Márquez-Dávila]]></surname>
<given-names><![CDATA[Kadir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueroa-Ramírez]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Benaute]]></surname>
<given-names><![CDATA[Luisa M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Asado-Hurtado]]></surname>
<given-names><![CDATA[Ana Mercedes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vangeli]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Hermilio Valdizán  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Hermilio Valdizán  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Gobierno Regional de Huánuco  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Hermilio Valdizán  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional Hermilio Valdizán  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de Buenos Aires  ]]></institution>
<addr-line><![CDATA[ ]]></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>17</volume>
<numero>1</numero>
<fpage>148</fpage>
<lpage>168</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1909-04552022000100148&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1909-04552022000100148&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1909-04552022000100148&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: el diagnóstico de fertilidad mejora al incluir el aporte de nitrógeno (N) mineralizable de la fracción orgánica del suelo. El objetivo fue estimar el potencial de mineralizar N de suelos representativos de la región Huánuco.  Materiales y métodos: se estudió el efecto del manejo sobre los contenidos y distribución superficial de la materia orgánica total (MOT) y Nan, en relación a la temperatura y precipitación de los sitios. Se seleccionaron 18 suelos agrícolas y 6 prístinos representativos de la región y se tomaron muestras de dos estratos del suelo (0-10 y 10-20cm). Se determinó MOT, Nan y N total.  Resultados: los suelos agrícolas presentaron mayor MOT y Nan que los prístinos, posiblemente por el mayor aporte de biomasa bajo agricultura. La distribución superficial del Nan siguió la tendencia de la MOT, con mayor concentración en el estrato más superficial. Esto ocurrió independientemente del manejo agrícola o prístino, aunque estos últimos presentaron mayor estratificación producto del no laboreo. Los suelos estudiados pudieron agruparse en tres, según el potencial de mineralización de N. A través de la relación Nan:N total se estimaron mineralizaciones de N de 0,9 %, 2,5 % y 5 % para los distintos grupos, relacionados a las condiciones ambientales de los sitios (mayores mineralizaciones en sitios más cálidos y húmedos).  Conclusiones: los suelos de Huánuco presentaron distinto potencial para mineralizar N dependiendo de la temperatura y precipitación. Estos resultados permitirían estimar mejor el aporte de N de los suelos para calcular las dosis de N a fertilizar.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstratc  Introduction: fertility diagnosis improves by including the contribution of mineralizable nitrogen (N) from the soil organic fraction. In this work, we estimate the N mineralization potential of representative soils of the Huánuco region.  Materials and methods: the management effect on the contents and surface distribution of total organic matter (MOT) and Nan, in relation to the temperature and precipitation of the sites, was studied. Eighteen agricultural soils and 6 pristine soils representative of the region, and samples were taken from two superficial soil strata (0-10 and 10-20 cm). MOT, Nan, and total N were determined.  Results: agricultural soils presented higher MOT and Nan than pristine soils, possibly due to the greater contribution of biomass under agriculture. The surface distribution of the Nan followed the trend of the MOT, with a higher concentration in the most superficial stratum. This occurred independent of agricultural or pristine management, although the latter presented greater stratification as a result of non-tillage. The soils studied were grouped into three, according to the mineralization potential of N. Through the Nan:total N relationship, N mineralizations of 0.9 %, 2.5 % and 5 % were estimated for the different groups, related to the environmental conditions of the sites (higher mineralizations in warmer and more humid sites).  Conclusions: the evaluated soils presented different potential to mineralize N depending on temperature and precipitation. These results contribute to a better estimation of the N contribution of soils to calculate the N doses.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução: o diagnóstico de fertilidade melhora ao incluir a contribuição de nitrogênio mineralizável (N) da fração orgânica do solo. Neste trabalho, estimamos o potencial de mineralização de N de solos representativos da região de Huánuco.  Materiais e métodos: estudou-se o efeito do manejo sobre os teores e distribuição superficial da matéria orgânica total (MOT) e Nan, em relação à temperatura e precipitação dos locais. Dezoito solos agrícolas e 6 solos prístinos representativos da região, e amostras foram retiradas de dois estratos superficiais do solo (0-10 e 10-20 cm). MOT, Nan e N total foram medidos.  Resultados: os solos agrícolas apresentaram maior MOT e Nan do que os prístinos, possivelmente devido à maior contribuição de biomassa na agricultura. A distribuição superficial do Nan seguiu a tendência do MOT, com maior concentração no estrato mais superficial. Isso ocorreu independentemente do tipo de manejo agrícola ou prístino, embora este último tenha apresentado maior estratificação como resultado do plantio direto. Os solos estudados podem ser agrupados em três, de acordo com o potencial de mineralização de N. Por meio da relação Nan:N total, foram estimadas mineralizações de N de 0,9 %, 2,5 % e 5,0 % para os diferentes grupos, relacionadas às condições ambientais dos locais (maior mineralização em locais mais quentes e úmidos).  Conclusões: os solos avaliados apresentaram diferentes potenciais para mineralizar N em função da temperatura e precipitação. Esses resultados contribuem para uma melhor estimativa da contribuição de N dos solos para o cálculo das doses de N.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Materia orgánica del suelo]]></kwd>
<kwd lng="es"><![CDATA[Suelos agrícolas]]></kwd>
<kwd lng="es"><![CDATA[Suelos prístinos]]></kwd>
<kwd lng="es"><![CDATA[Sitios con distintas características climáticas]]></kwd>
<kwd lng="en"><![CDATA[Organic Soil Matter]]></kwd>
<kwd lng="en"><![CDATA[Agricultural soils, Pristine soils, Sites with different climatic characteristics]]></kwd>
<kwd lng="pt"><![CDATA[Matéria orgânica do solo]]></kwd>
<kwd lng="pt"><![CDATA[Solos agrícolas]]></kwd>
<kwd lng="pt"><![CDATA[Solos primitivos]]></kwd>
<kwd lng="pt"><![CDATA[Sítios com diferentes características climáticas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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