<?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>0871-018X</journal-id>
<journal-title><![CDATA[Revista de Ciências Agrárias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. de Ciências Agrárias]]></abbrev-journal-title>
<issn>0871-018X</issn>
<publisher>
<publisher-name><![CDATA[Sociedade de Ciências Agrárias de Portugal]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0871-018X2022000300531</article-id>
<article-id pub-id-type="doi">10.19084/rca.28534</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Movilidad en campo del herbicida bispyribac-sodio sobre distintos sistemas de laboreo en el cultivo del arroz]]></article-title>
<article-title xml:lang="en"><![CDATA[Field mobility of bispyribac-sodium herbicide under different rice crop management systems]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Rodríguez]]></surname>
<given-names><![CDATA[Damián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peña]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rato-Nunes]]></surname>
<given-names><![CDATA[Jose Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martín]]></surname>
<given-names><![CDATA[Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vicente]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Albarrán]]></surname>
<given-names><![CDATA[Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fangueiro]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Piñeiro]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Extremadura Escuela de Ingenierías Agrarias ]]></institution>
<addr-line><![CDATA[Badajoz ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Extremadura Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[Badajoz ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Politécnico de Portalegre Centro de Investigação para a Valorização de Recursos Endógenos ]]></institution>
<addr-line><![CDATA[Portalegre ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidade de Lisboa Instituto Superior de Agronomia LEAF]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>531</fpage>
<lpage>540</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2022000300531&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2022000300531&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2022000300531&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El arroz aeróbico se ha propuesto como una práctica de gestión eficiente para ahorrar agua y mejorar la sostenibilidad del arroz como cultivo. Sin embargo, esta técnica influye significativamente en las propiedades del suelo y, por lo tanto, pueden modificar el comportamiento de los pesticidas. El Bispyribac-sodium (BYS) es un herbicida post-emergente que se usa con frecuencia en los agroecosistemas del arroz, pero que se considera muy tóxico para los organismos acuáticos y peligroso para el medio ambiente. Este trabajo persigue evaluar los efectos de la transición del sistema de riego por inundación al riego por aspersión en persistencia y movilidad en campo del BYS. Además, otra variable que se evaluó fue la aplicación de enmiendas orgánicas. La enmienda usada fue compost de alperujo subproducto agroindustrial (alperujo) del procesado de aceitunas (almazara). Para este propósito se realizaron experimentos de campo, implicando a seis tratamientos: Sin laboreo y riego por aspersión (SD) y el equivalente con aplicación de alperujo (SDC). Laboreo convencional y riego por aspersión (LC) y el equivalente con aplicación del alperujo (LCC) y laboreo convencional con inundación (LCI) y con incorporación de alperujo (LCIC). Las técnicas tradicionales en el cultivo del arroz (Laboreo convencional + inundación) benefician la movilidad en campo del herbicida BYS suponiendo un inconveniente para las aguas subterráneas frente a los suelos irrigados por aspersión. Además, el uso de alperujo podría considerarse como una estrategia para reducir contaminación de las aguas por BYS e incrementar su persistencia en las capas más superficiales del suelo, especialmente en sistemas de arroz aeróbico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Aerobic rice has been proposed as an efficient management practice to save water and improve rice crop sustainability. However, this technique significantly influences the soil properties and, therefore, can modify the pesticides behavior. Bispyribac-sodium (BYS) is a post-emergence herbicide frequently used in rice agroecosystems but is considered highly toxic to aquatic organisms and dangerous to the environment. This work aims to evaluate the transition from flood irrigation to sprinkler irrigation effects on the persistence and field mobility of BYS. In addition, another variable evaluated was the application of organic amendments. The amendment used was olive pomace compost, an agro-industrial by-product (alperujo) of olive oil processing (almazara). For this purpose, field experiments were carried out, involving six different treatments: Without tillage and sprinkler irrigation (SD) and the equivalent with compost application (SDC). Conventional tillage and sprinkler irrigation (LC) and the equivalent with compost application (LCC) and conventional tillage with flooding (LCI) and with the compost incorporation (LCIC). Traditional techniques in rice cultivation (conventional tillage + flooding) benefit the mobility of the BYS herbicide in the field, assuming a disadvantage for groundwater quality when compared to soils irrigated by sprinklers. In addition, compost application could be considered a strategy to reduce water contamination by BYS and increase its persistence in the most superficial soil layers, especially in aerobic rice systems.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bispyribac-sodium]]></kwd>
<kwd lng="es"><![CDATA[arroz]]></kwd>
<kwd lng="es"><![CDATA[alperujo]]></kwd>
<kwd lng="es"><![CDATA[agricultura de conservación]]></kwd>
<kwd lng="es"><![CDATA[aspersión]]></kwd>
<kwd lng="en"><![CDATA[Bispyribac-sodium]]></kwd>
<kwd lng="en"><![CDATA[rice]]></kwd>
<kwd lng="en"><![CDATA[alperujo]]></kwd>
<kwd lng="en"><![CDATA[conservation agriculture]]></kwd>
<kwd lng="en"><![CDATA[spraying]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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