<?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>2617-4731</journal-id>
<journal-title><![CDATA[Revista de la Sociedad Científica del Paraguay]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Soc. cient. Parag.]]></abbrev-journal-title>
<issn>2617-4731</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Científica del Paraguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2617-47312025000100056</article-id>
<article-id pub-id-type="doi">10.32480/rscp.2025.30.1.5669</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Distribución espacial de propiedades físicas del suelo y su influencia en el rendimiento del maíz bajo siembra directa]]></article-title>
<article-title xml:lang="en"><![CDATA[Spatial distribution of physical properties of the soil and its influence on the yield of corn under not tillage]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enciso Santacruz]]></surname>
<given-names><![CDATA[Derlis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bonnin Acosta]]></surname>
<given-names><![CDATA[Juan José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco Ibars]]></surname>
<given-names><![CDATA[Rubén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delosantos Duarte Monzón]]></surname>
<given-names><![CDATA[Alder]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rasche Alvarez]]></surname>
<given-names><![CDATA[Jimmy Walter]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Federal de Rio Grande del Sur Facultad de Agronomía ]]></institution>
<addr-line><![CDATA[Porto Alegre ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>30</volume>
<numero>1</numero>
<fpage>56</fpage>
<lpage>69</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2617-47312025000100056&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2617-47312025000100056&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2617-47312025000100056&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN: En el sistema de siembra directa, la compactación del suelo afecta negativamente al desarrollo del sistema radicular. Para optimizar el manejo y sustentabilidad productiva del suelo es importante conocer la distribución espacial de la misma. El objetivo de esta investigación fue analizar la distribución espacial de algunas propiedades físicas de suelo y su influencia en el rendimiento de maíz bajo siembra directa. La investigación se realizó en una parcela con 31 ha, en las profundidades de 0-10; 10-20 y 20-30 cm. Los puntos de muestreo se distribuyeron en forma sistematizada, totalizando 37 puntos de muestreo. Los datos obtenidos fueron sometidos a un análisis estadístico descriptivo y análisis geoestadístico. El área de estudio presentó niveles altos de resistencia mecánica a la penetración del suelo (&gt; 2 MPa) y densidad aparente (&gt;1,5 g.cm-3) en las camadas superficiales (0 a 20 cm de profundidad), baja porosidad total (&lt; 45%) y de velocidad de infiltración de agua (&lt; 15 cm.h-1), con una distribución heterogénea. El rendimiento de granos presentó en un 75% del área de estudio valores superiores a 6.500 kg ha-1, observándose disminución del rendimiento de granos en áreas con limitaciones en las propiedades físicas de suelo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT: In no-tillage systems, soil compaction negatively affects root system development. To optimize soil management and productive sustainability, it is important to know the spatial distribution of soil compaction. The objective of this research was to analyze the spatial distribution of soil physical properties and their influence on corn yield under conservation management. The research was carried out in a 31 ha plot, at depths of 0-10; 10-20 and 20-30 cm. The sampling points were distributed in a systematized way, totaling 37 sampling points. The data obtained were subjected to descriptive statistical analysis and geostatistical analysis. The study area presented high levels of mechanical resistance to soil penetration (&gt; 2 MPa) and bulk density (&gt;1.5 g.cm-3) in the superficial layers (0 to 20 cm depth), low total porosity (&lt; 45%) and water infiltration rate (&lt; 15 cm.h-1), with a heterogeneous distribution. Grain yields were higher than 6,500 kg ha-1 in 75% of the study area, with a decrease in grain yields in areas with limited soil physical properties.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[degradación del suelo]]></kwd>
<kwd lng="es"><![CDATA[manejo del suelo]]></kwd>
<kwd lng="es"><![CDATA[compactación del suelo]]></kwd>
<kwd lng="es"><![CDATA[densidad aparente]]></kwd>
<kwd lng="es"><![CDATA[porosidad del suelo]]></kwd>
<kwd lng="en"><![CDATA[soil degradation]]></kwd>
<kwd lng="en"><![CDATA[soil management]]></kwd>
<kwd lng="en"><![CDATA[soil compaction]]></kwd>
<kwd lng="en"><![CDATA[bulk density, soil porosity.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<collab>Food and Agriculture Organization</collab>
<source><![CDATA[Planning for sustainable use of land resources: towards a new approach. Background paper to FAO's Task Managership for Chapter 10 of Agenda 21 of the United Nations Conference on Environment and Development (Unced)]]></source>
<year>1995</year>
<publisher-loc><![CDATA[Rome ]]></publisher-loc>
<publisher-name><![CDATA[Food and Agriculture Organization of the United Nations]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="">
<collab>Cámara Paraguaya de Exportadores y Comercializadores de Cereales y Oleaginosas</collab>
<source><![CDATA[Área de siembra, producción y rendimiento de maíz]]></source>
<year>2024</year>
</nlm-citation>
</ref>
<ref id="B3">
<label>3.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez Gamiño]]></surname>
<given-names><![CDATA[MÁ]]></given-names>
</name>
<name>
<surname><![CDATA[Osuna Ceja]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa Ramírez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impacto acumulado de la agricultura de conservación en propiedades del suelo y rendimiento de maíz.]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Agrícolas]]></source>
<year>2019</year>
<volume>10</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>765-78</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rasche Álvarez]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez]]></surname>
<given-names><![CDATA[EJ]]></given-names>
</name>
<name>
<surname><![CDATA[Fatecha Fois]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Leguizamón Rojas]]></surname>
<given-names><![CDATA[CA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil compaction and its effect on the vegetative growth of soybean, corn and pigeon pea.]]></article-title>
<source><![CDATA[Investig Agrar]]></source>
<year>2020</year>
<volume>22</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>13-21</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gueçaimburu]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Tancredi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Reposo]]></surname>
<given-names><![CDATA[GP]]></given-names>
</name>
<name>
<surname><![CDATA[Rojo]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evolución del fósforo disponible a distintos niveles de compactación por tráfico agrícola en un argiudol típico.]]></article-title>
<source><![CDATA[Chil j agric anim sci.]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B6">
<label>6.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosales-Naranjo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Rodríguez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera-Puebla]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[González-Rodríguez]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Cid-Lazo]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto del manejo del suelo sobre la infiltración en un suelo Ferralítico Rojo compactado]]></article-title>
<source><![CDATA[Revista Ingeniería Agrícola]]></source>
<year>2020</year>
<volume>10</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B7">
<label>7.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rossetti]]></surname>
<given-names><![CDATA[KDV]]></given-names>
</name>
<name>
<surname><![CDATA[Centurion]]></surname>
<given-names><![CDATA[JF.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of s-index as a structural quality indicator for compacted latosols cultivated with maize.]]></article-title>
<source><![CDATA[Revista Caatinga]]></source>
<year>2018</year>
<volume>31</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>455-65</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[CAP]]></given-names>
</name>
<name>
<surname><![CDATA[Nunes]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Bayer]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Minella]]></surname>
<given-names><![CDATA[LPG]]></given-names>
</name>
<name>
<surname><![CDATA[Uhde]]></surname>
<given-names><![CDATA[LT]]></given-names>
</name>
<name>
<surname><![CDATA[Weiler]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Drescher]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
</person-group>
<source><![CDATA[Manejo e conservação do solo e da agua. Santa Maria,]]></source>
<year>2024</year>
<publisher-loc><![CDATA[Brasil ]]></publisher-loc>
<publisher-name><![CDATA[Sociedade Brasileira de Ciencia do Solo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<label>9.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hasang Moran]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[García Bendezú]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Carrillo Zenteno]]></surname>
<given-names><![CDATA[MD]]></given-names>
</name>
<name>
<surname><![CDATA[Durango Cabanilla]]></surname>
<given-names><![CDATA[WD]]></given-names>
</name>
<name>
<surname><![CDATA[Medina Litardo]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Lombeida García]]></surname>
<given-names><![CDATA[ED.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación de sistemas productivos de maíz, sobre la sostenibilidad económica.]]></article-title>
<source><![CDATA[Rev. Soc. cient. Py.]]></source>
<year>2022</year>
<volume>27</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>8-30</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pellegrini]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<collab>Barbosa CM de C</collab>
<source><![CDATA[Manejo e conservação do solo e água. Volume 1- formação, implantação e metodologias]]></source>
<year>2023</year>
<edition>1</edition>
<publisher-loc><![CDATA[Brasil ]]></publisher-loc>
<publisher-name><![CDATA[Rede Paranaense de Agropesquisa e Formacao Aplicada]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<label>11.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez-Calderón]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Estrada-León]]></surname>
<given-names><![CDATA[RJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conservación de suelos mediante el cambio de frecuencia de labranza: un caso en Costa Rica.]]></article-title>
<source><![CDATA[Ciencias Ambientales]]></source>
<year>2020</year>
<volume>54</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>123-39</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villazón-Gómez]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[García-Reyes]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Martín-Gutiérrez]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Cobo-Vidal]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variabilidad espacial de la compactación en un haplustept bajo maíz con laboreo convencional.]]></article-title>
<source><![CDATA[Idesia (Arica).]]></source>
<year>2024</year>
<volume>42</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>3-8</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pastén]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Espínola]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Clasificación climática del Paraguay utilizando los métodos de Köeppen y Thornthwaite.]]></source>
<year>2011</year>
<page-range>17</page-range><publisher-loc><![CDATA[San Lorenzo ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[GLG]]></given-names>
</name>
<name>
<surname><![CDATA[Lesme]]></surname>
<given-names><![CDATA[BJA]]></given-names>
</name>
</person-group>
<source><![CDATA[Grandes grupos de suelos de la región Oriental del Paraguay]]></source>
<year>2024</year>
<publisher-loc><![CDATA[San Lorenzo ]]></publisher-loc>
<publisher-name><![CDATA[Sociedad Paraguaya de Ciencia del Suelo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<label>15.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roel]]></surname>
<given-names><![CDATA[Á]]></given-names>
</name>
<name>
<surname><![CDATA[Terra]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Agricultura de precisión: Integrando conocimientos para una agricultura moderna y sustentable.]]></source>
<year>2006</year>
<page-range>65</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monroy Rodríguez FL]]></surname>
<given-names><![CDATA[Álvarez Herrera JG]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado Sanabria]]></surname>
<given-names><![CDATA[OH.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Distribución espacial de algunas propiedades físicas del suelo en un transecto de la granja Tunguavita, Paipa.]]></article-title>
<source><![CDATA[Revista U.D.C.A Actualidad &amp; Divulgación Científica]]></source>
<year>2017</year>
<volume>20</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>91-100</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Klein]]></surname>
<given-names><![CDATA[VA]]></given-names>
</name>
</person-group>
<source><![CDATA[Física do solo.]]></source>
<year>2012</year>
<edition>2 ed</edition>
<page-range>212</page-range><publisher-loc><![CDATA[Brasil ]]></publisher-loc>
<publisher-name><![CDATA[Editorial UPF Universidade de passo Fundo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="">
<collab>Departamento de Agricultura de los Estados Unidos</collab>
<source><![CDATA[Guía para la evaluación de la calidad y salud del suelo]]></source>
<year>1999</year>
</nlm-citation>
</ref>
<ref id="B19">
<label>19.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Virgen-Vargas]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zepeda-Bautista]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Avila-Perches]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa-Calderón]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Arellano-Vázquez]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Gámez-Vázquez]]></surname>
<given-names><![CDATA[AJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Líneas de producción de semilla de maíz: densidad poblacional e interacción.]]></article-title>
<source><![CDATA[Agronomía Mesoamericana]]></source>
<year>2014</year>
<volume>25</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>323-35</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vieira]]></surname>
<given-names><![CDATA[SR.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Geoestatística em estudos de variabilidade espacial do solo. In: Novais RF, Alvarez VVH, Schaefer CEGR. Tópicos em ciência do solo.]]></article-title>
<source><![CDATA[Viçosa: Sociedade Brasileira de Ciência de Solo.]]></source>
<year>2000</year>
<page-range>1-54</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dicovskiy]]></surname>
<given-names><![CDATA[RLM]]></given-names>
</name>
</person-group>
<source><![CDATA[Estadística Básica]]></source>
<year>2012</year>
<publisher-name><![CDATA[Universidad Nacional de Ingeniería. Uninorte]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<label>22.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Warrick]]></surname>
<given-names><![CDATA[AW]]></given-names>
</name>
<name>
<surname><![CDATA[Nielsen]]></surname>
<given-names><![CDATA[DR.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spatial Variability of Soil Physical Properties in the Field.]]></article-title>
<source><![CDATA[In Applications of Soil Physics]]></source>
<year>1980</year>
<page-range>319-44</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Landim]]></surname>
<given-names><![CDATA[PMB]]></given-names>
</name>
</person-group>
<source><![CDATA[Análise estatística de dados geológicos]]></source>
<year>1998</year>
<publisher-loc><![CDATA[São Paulo ]]></publisher-loc>
<publisher-name><![CDATA[UNESP]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kitamura]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
<name>
<surname><![CDATA[MdeP]]></surname>
<given-names><![CDATA[Carvalho]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[CGdaR.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relação entre a variabilidade espacial das frações granulométricas do solo e a produtividade do feijoeiro sob plantio direto]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência Do Solo]]></source>
<year>2007</year>
<volume>31</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>361-9</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cambardella]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Moorman]]></surname>
<given-names><![CDATA[TS]]></given-names>
</name>
<name>
<surname><![CDATA[Novak]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Parkin]]></surname>
<given-names><![CDATA[TS]]></given-names>
</name>
<name>
<surname><![CDATA[Karlen]]></surname>
<given-names><![CDATA[OL]]></given-names>
</name>
<name>
<surname><![CDATA[Turco]]></surname>
<given-names><![CDATA[RF]]></given-names>
</name>
<name>
<surname><![CDATA[Konopka]]></surname>
<given-names><![CDATA[AE.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Field scale variability of soil properties in centrallowa soils.]]></article-title>
<source><![CDATA[Soil Science Society of America Journal]]></source>
<year>1994</year>
<volume>58</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1501-11</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bareta Junior]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[AAP da]]></given-names>
</name>
<name>
<surname><![CDATA[Sens]]></surname>
<given-names><![CDATA[TMZG]]></given-names>
</name>
<name>
<surname><![CDATA[Colecha]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Rampim]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Pott]]></surname>
<given-names><![CDATA[CA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Propiedades físicas del suelo en niveles variables de compactación.]]></article-title>
<source><![CDATA[RSD]]></source>
<year>2021</year>
<volume>10</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="">
<collab>Departamento de Agricultura de los Estados Unidos</collab>
<source><![CDATA[Soil survey manual.]]></source>
<year>2017</year>
<volume>1</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>587</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B28">
<label>28.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Backes]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Mulazzani]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
<name>
<surname><![CDATA[Fachi]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Boeno]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Dutra]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Schmitz]]></surname>
<given-names><![CDATA[JLS]]></given-names>
</name>
<name>
<surname><![CDATA[Ivonir]]></surname>
<given-names><![CDATA[GP.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Alterações em propriedades físico-hídricas de um latossolo argiloso cultivado com sucessão trigo e plantas de cobertura.]]></article-title>
<source><![CDATA[Caderno de Ciências Agrárias]]></source>
<year>2024</year>
<volume>1</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rauber]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Reinert]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Gubiani]]></surname>
<given-names><![CDATA[PI]]></given-names>
</name>
<name>
<surname><![CDATA[Loss]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Structure and water infiltration in an Ultisol affected by cover crops and seasonality.]]></article-title>
<source><![CDATA[Soil and Tillage Research]]></source>
<year>2025</year>
<volume>247</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>106366</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[JAV]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Vidal]]></surname>
<given-names><![CDATA[YC]]></given-names>
</name>
<name>
<surname><![CDATA[Tablada]]></surname>
<given-names><![CDATA[RCN]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes]]></surname>
<given-names><![CDATA[RAG.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spatial variability of soil resistance to penetration on a chromic haplustert under natural grassland.]]></article-title>
<source><![CDATA[Idesia.]]></source>
<year>2022</year>
<volume>40</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>7-14</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Balbuena]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Botta]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Draghi]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Rosatto]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Dagostino]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Compactación de suelos. Efectos del tránsito del tractor en sistemas de siembra directa.]]></article-title>
<source><![CDATA[In Spanish Journal of Agricultural Research]]></source>
<year>2003</year>
<volume>1</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B32">
<label>32.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosa Filho]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[MdeP]]></surname>
<given-names><![CDATA[Carvalho]]></given-names>
</name>
<name>
<surname><![CDATA[Andreotti]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Montanari]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Binotti]]></surname>
<given-names><![CDATA[FFdaS]]></given-names>
</name>
<name>
<surname><![CDATA[Gioia]]></surname>
<given-names><![CDATA[MT.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variabilidade da produtividade da soja em função de atributos físicos de um latossolo vermelho distroférrico sob plantio direto.]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência Do Solo.]]></source>
<year>2009</year>
<volume>33</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>283-93</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Topa D]]></surname>
<given-names><![CDATA[Cara IG]]></given-names>
</name>
<name>
<surname><![CDATA[Jitareanu]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long term impact of different tillage systems on carbon pools and stocks, soil bulk density, aggregation and nutrients: A field meta-analysis.]]></article-title>
<source><![CDATA[Catena]]></source>
<year>2021</year>
<volume>199</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>105102</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jabro]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Stevens]]></surname>
<given-names><![CDATA[WB]]></given-names>
</name>
<name>
<surname><![CDATA[Iversen]]></surname>
<given-names><![CDATA[WM]]></given-names>
</name>
<name>
<surname><![CDATA[Sainju]]></surname>
<given-names><![CDATA[UM]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[BL.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil cone index and bulk density of a sandy loam under no-till and conventional tillage in a corn-soybean rotation.]]></article-title>
<source><![CDATA[Soil and Tillage Research]]></source>
<year>2021</year>
<volume>206</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>104842</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[ZM]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[MLS]]></given-names>
</name>
<name>
<surname><![CDATA[Guimarães]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[DTS]]></given-names>
</name>
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[MP]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[GT.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variabilidade espacial de atributos físicos em um Latossolo Vermelho distrófico sob semeadura direta em Selvíria (MS).]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência do Solo]]></source>
<year>2001</year>
<volume>25</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>699-707</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grosso]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Ressia]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Bongiorno]]></surname>
<given-names><![CDATA[CV]]></given-names>
</name>
<name>
<surname><![CDATA[Mendivil]]></surname>
<given-names><![CDATA[GO.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización del estado de compactación de un suelo bajo siembra directa utilizando herramientas de geoestadística.]]></article-title>
<source><![CDATA[Ciencias Agronómicas]]></source>
<year>2022</year>
<numero>34</numero>
<issue>34</issue>
</nlm-citation>
</ref>
<ref id="B37">
<label>37.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giráldez]]></surname>
<given-names><![CDATA[JV]]></given-names>
</name>
<name>
<surname><![CDATA[Vanderlinden]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Ten berge]]></surname>
<given-names><![CDATA[HF.]]></given-names>
</name>
</person-group>
<source><![CDATA[La evaporación del agua del suelo bajo control atmosférico]]></source>
<year>1999</year>
</nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castellanos-Navarrete]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Chocobar-Guerra]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Cox]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Fonteyne]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Govaerts]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Jespers]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Kienle]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Sayre]]></surname>
<given-names><![CDATA[KD]]></given-names>
</name>
<name>
<surname><![CDATA[Verhulst]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Guía útil para comparar las prácticas de manejo de cultivo]]></article-title>
<source><![CDATA[CIMMYT]]></source>
<year>2013</year>
<volume>1</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[GAD]]></given-names>
</name>
<name>
<surname><![CDATA[Dias Junior]]></surname>
<given-names><![CDATA[MDS]]></given-names>
</name>
<name>
<surname><![CDATA[Guimarães]]></surname>
<given-names><![CDATA[PTG]]></given-names>
</name>
<name>
<surname><![CDATA[Furtini Neto]]></surname>
<given-names><![CDATA[AE.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diferentes graus de compactação e fornecimento de fósforo influenciando no crescimento de plantas de milho (Zea mays L.) cultivadas em solos distintos.]]></article-title>
<source><![CDATA[Ciência e Agrotecnologia]]></source>
<year>2005</year>
<volume>29</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>740-52</page-range></nlm-citation>
</ref>
<ref id="B40">
<label>40.</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Da Silva]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Simulação do efeito da compactação do solo na produtividade em diferentes manejos em latossolo vermelho distroférrico]]></source>
<year></year>
<conf-name><![CDATA[ Apresentado no XLVI Congresso Brasileiro de Engenharia Agrícola - CONBEA, 2017]]></conf-name>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B41">
<label>41.</label><nlm-citation citation-type="">
<collab>Cámara Paraguaya de Exportadores y Comercializadores de Cereales y Oleaginosas</collab>
<source><![CDATA[Área de siembra, producción y rendimiento de maíz]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B42">
<label>42</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Klein]]></surname>
<given-names><![CDATA[VA]]></given-names>
</name>
<name>
<surname><![CDATA[Libardi]]></surname>
<given-names><![CDATA[PL.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bulk density and pore size distribution of an oxisol under different use and management systems.]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência do Solo]]></source>
<year>2002</year>
<volume>26</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>857-67</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>43</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Nogueira da]]></surname>
<given-names><![CDATA[MSVC]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[JFWL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of use and management systems on the physical and hydraulic properties of a Yellow Argisol of coastal tablelands.]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência do Solo]]></source>
<year>2005</year>
<volume>29</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>833-42</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>44</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tolón-Becerra]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tourn]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Botta]]></surname>
<given-names><![CDATA[GF]]></given-names>
</name>
<name>
<surname><![CDATA[Lastra-Bravo]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of different tillage regimes on soil compaction, maize (Zea mays L.) seedling emergence and yields in the eastern Argentinean Pampas region.]]></article-title>
<source><![CDATA[Soil and Tillage Research]]></source>
<year>2011</year>
<volume>117</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>184-90</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>45</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Colmán]]></surname>
<given-names><![CDATA[RPJ]]></given-names>
</name>
<name>
<surname><![CDATA[Marques Genú]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Campos Lustosa]]></surname>
<given-names><![CDATA[SB]]></given-names>
</name>
<name>
<surname><![CDATA[Pott]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Propiedades físicas de suelos en pasturas de Urochloa brizantha cv. Marandú en el distrito de Jasy Cañy, Paraguay.]]></article-title>
<source><![CDATA[Acta Agronómica]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B46">
<label>46.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Matiasso]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Tortelli]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Vieira]]></surname>
<given-names><![CDATA[ML.]]></given-names>
</name>
</person-group>
<source><![CDATA[Curvas de retenção de água e rendimento de milho em plantio direto e escarificado. Pelotas.RS (BR).]]></source>
<year>2014</year>
<publisher-name><![CDATA[X Reunião Sul-Brasileira de Ciência do Solo Fatos e Mitos em Ciência do Solo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B47">
<label>47.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schenatto]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[EG]]></given-names>
</name>
<name>
<surname><![CDATA[Bazzi]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Bier]]></surname>
<given-names><![CDATA[VA]]></given-names>
</name>
<name>
<surname><![CDATA[Betzek]]></surname>
<given-names><![CDATA[NM]]></given-names>
</name>
<name>
<surname><![CDATA[Gavioli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Data interpolation in the definition of management zones.]]></article-title>
<source><![CDATA[Acta Scientiarum. Technology]]></source>
<year>2016</year>
<volume>38</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>31</page-range></nlm-citation>
</ref>
<ref id="B48">
<label>48.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez-Gamiño]]></surname>
<given-names><![CDATA[MÁ]]></given-names>
</name>
<name>
<surname><![CDATA[Osuna Ceja]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa Ramírez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Accumulated impact of conservation agriculture on soil properties and corn yield.]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Agrícolas]]></source>
<year>2019</year>
<volume>10</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>765-78</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
