<?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>S0187-57792017000300259</article-id>
<article-id pub-id-type="doi">10.28940/terra.v35i3.252</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Detección de restricciones en la producción de agave azul (Agave tequilana Weber var. azul) mediante percepción remota]]></article-title>
<article-title xml:lang="en"><![CDATA[Detection of restrictions on production of blue agave (Agave tequilana Weber var. blue) using remote sensing]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ceja Ramírez]]></surname>
<given-names><![CDATA[Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Eguiarte]]></surname>
<given-names><![CDATA[Diego Raymundo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz Corral]]></surname>
<given-names><![CDATA[José Ariel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rendón Salcido]]></surname>
<given-names><![CDATA[Luis Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores Garnica]]></surname>
<given-names><![CDATA[José Germán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias Biológicas y Agropecuarias (CUCBA) ]]></institution>
<addr-line><![CDATA[ Zapopan, Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,INIFAP  ]]></institution>
<addr-line><![CDATA[ Guadalajara, Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>259</fpage>
<lpage>268</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792017000300259&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792017000300259&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792017000300259&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El agave azul (Agave tequilana Weber, var. azul) se utiliza, principalmente, para la producción del Tequila; una bebida espirituosa. El estado de Jalisco, México, contribuye con el 90% de la producción; esto constituye un importante apoyo a la economía del Estado. El objetivo de la presente investigación fue determinar la superficie ocupada por agave azul, que presentó restricciones en su producción en la región Valles, correspondiente a los municipios de Tequila, Amatitán y El Arenal, en el estado de Jalisco, México, por medio de percepción remota. Se utilizó una imagen adquirida por el satélite LANDSAT 5 el 2 de abril de 2011, la cual se procesó para su calibración radiométrica, corrección atmosférica y georreferenciación. La interpretación digital se hizo a través del proceso de clasificación supervisada utilizando la opción de máxima probabilidad. Los campos de entrenamiento se seleccionaron de información de campo y de la base de datos del Consejo Regulador del Tequila (CRT). Los resultados se plasmaron en mapas temáticos; distribución de agave y no agave y distribución de agave con restricciones. El 45% del área ocupada por el cultivo presentó restricciones relacionadas con: aspectos económicos (restricción tipo 1), plagas y enfermedades (restricción tipo 2) y efectos por exceso de humedad del suelo (restricción tipo 3). Para evaluar la precisión de estos datos se aplicó una matriz de error que reportó una precisión general del 73%. Este valor es aceptable considerando la resolución a 30 m del sensor (LANDSAT 5) y la peculiaridad del cultivo. El uso de imágenes LANDSAT por su resolución espectral y radiométrica es aceptable para el estudio del cultivo del agave azul según lo observado en campo y lo expresado por el procesamiento de la imagen.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: The blue agave (Agave tequilana Weber, blue var.) is mainly used for the production of tequila, an alcoholic beverage. The state of Jalisco, Mexico, contributes 90% of the domestic tequila production, which makes up an important part of the state&#8217;s economy. The aim of this research was to determine the area occupied by blue agave showing restrictions in plant development. The study area includes the municipalities of Tequila, Amatitan and El Arenal, Jalisco, Mexico. For this purpose, the image from April 2nd, 2011, taken by the Landsat 5 satellite was used. Digital interpretation was done through the process of supervised classification using the maximum likelihood option. The results are shown in thematic maps; distribution of areas occupied and not occupied with agave and distribution of agave affected by restrictions. Finally, a table with the covers registered and their areas shows that 45% of the area occupied by agave has some type of restriction. To assess the accuracy of these data, an error matrix reported an overall accuracy of 73%. This value is acceptable considering the resolution at 30 m of the sensor (LANDSAT 5) and the peculiarity of the crop. The use of LANDSAT images for their spectral and radiometric resolution is acceptable for the study of blue agave culture as observed in the field and expressed by image processing.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[landsat]]></kwd>
<kwd lng="es"><![CDATA[clasificación supervisada]]></kwd>
<kwd lng="es"><![CDATA[tequila]]></kwd>
<kwd lng="en"><![CDATA[landsat]]></kwd>
<kwd lng="en"><![CDATA[supervised classification]]></kwd>
<kwd lng="en"><![CDATA[tequila]]></kwd>
</kwd-group>
</article-meta>
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