<?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>0120-0135</journal-id>
<journal-title><![CDATA[Revista de Ciencias Agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Cienc. Agr.]]></abbrev-journal-title>
<issn>0120-0135</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Nariño]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-01352021000100075</article-id>
<article-id pub-id-type="doi">10.22267/rcia.213801.146</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Assessing the soil color by traditional method and a smartphone: a comparison]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación del color del suelo por el método tradicional y un smartphone: una comparación]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Castro Raulino]]></surname>
<given-names><![CDATA[Gabriela Talita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Sousa Oliveira]]></surname>
<given-names><![CDATA[Lucas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vasconcelos do Nascimento]]></surname>
<given-names><![CDATA[Ícaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pollicarto da Silva]]></surname>
<given-names><![CDATA[Cillas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rocha Lobato]]></surname>
<given-names><![CDATA[Márcio Godofrêdo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leite Alencar]]></surname>
<given-names><![CDATA[Thiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Shiso Toma]]></surname>
<given-names><![CDATA[Raul]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gleiciane da Silva]]></surname>
<given-names><![CDATA[Francisca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Anunciato Mota]]></surname>
<given-names><![CDATA[Jaedson Cláudio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal do Ceará  ]]></institution>
<addr-line><![CDATA[Ceará ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal do Ceará  ]]></institution>
<addr-line><![CDATA[Ceará ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Federal do Ceará  ]]></institution>
<addr-line><![CDATA[Ceará ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Federal de Educação, Ciência e Tecnologia do Amazonas - Campus  ]]></institution>
<addr-line><![CDATA[Amazonas Tefé]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidade Federal do Cariri - Campus Crato  ]]></institution>
<addr-line><![CDATA[Ceará ]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto Federal de Educação, Ciência e Tecnologia do Piauí  ]]></institution>
<addr-line><![CDATA[Piauí Pio IX]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidade Federal do Ceará  ]]></institution>
<addr-line><![CDATA[Ceará ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Universidade Federal do Ceará  ]]></institution>
<addr-line><![CDATA[Ceará ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Universidade Federal do Ceará  ]]></institution>
<addr-line><![CDATA[Ceará ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>38</volume>
<numero>1</numero>
<fpage>75</fpage>
<lpage>85</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-01352021000100075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-01352021000100075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-01352021000100075&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Based on the hypothesis that there is a high agreement between pedologists and a smartphone application in the assessment of soil color, this study aimed to compare the perceptions of pedologists and an application in obtaining the color of an Argissolo [Lixisol] (A, E, and B horizons). Ten aggregates of each horizon were collected. In a single day, under the same lighting conditions, three pedologists described the color components (hue, value, and chroma) of each aggregate (dry and moist soil) using the Munsell soil color chart. Each one of the ten aggregates, from each horizon, was photographed (dry and moist soil sequence) using the camera of a Motorola Moto G4 Plus smartphone. The distance of the camera to the aggregates was 25 ± 5 cm. Also, each aggregate was placed on a white sheet of A4 size paper (background). The application used was Soil Analysis Pro. The percentage of agreement between pedologists and application was obtained concerning hue, value, and chroma. The data were subjected to analysis of variance, in a completely randomized design, with ten replicates. Action Stat® software was used for statistical analysis. It was concluded that the agreement between pedologists and the smartphone application was medium for hue and chroma and low for value. For the dry soil condition, there is a high agreement between pedologists and the smartphone application, especially in the perception of hue and chroma. Thus, the smartphone application has the potential to be used in routine descriptions of soil color.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Suponiendo que existe un alto acuerdo entre los pedólogos y una aplicación de smartphone en la descripción del color del suelo, el objetivo fue comparar las percepciones de los pedólogos y una aplicación en la obtención del color de un Argissolo [Lixisol] (horizontes A, E y B). Fueron recolectados diez agregados de cada horizonte. En un solo día, en las mismas condiciones de iluminación, tres podólogos describieron los componentes del color (matiz, valor y croma) de cada agregado (suelo seco y húmedo) utilizando la tabla de color Munsell. Cada uno de los diez agregados, de cada horizonte, fue fotografiado (secuencia de suelo seco y húmedo) con la cámara de un smartphone Motorola Moto G4 Plus. La distancia de la cámara a los agregados fue de 25 ± 5 cm. Además, cada agregado se colocó en una hoja blanca de papel A4 (fondo). La aplicación utilizada fue Soil Analysis Pro. El porcentaje de concordancia entre los pedólogos y la aplicación se obtuvo en relación con el matiz, valor y croma. Los datos se sometieron a análisis de varianza en un diseño completamente al azar, con diez repeticiones, utilizando el software Action Stat®. Se llegó a la conclusión de que el acuerdo entre los pedólogos y la aplicación del smartphone era medio en valor y croma y bajo en valor. En suelo seco, existe un alto nivel de acuerdo entre los pedólogos y la aplicación, principalmente en la percepción de matiz y croma. Por lo tanto, la aplicación para smartphone tiene el potencial de usarse en descripciones rutinarias del color del suelo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Pedometrics]]></kwd>
<kwd lng="en"><![CDATA[Soil analysis pro]]></kwd>
<kwd lng="en"><![CDATA[Munsell soil color chart]]></kwd>
<kwd lng="en"><![CDATA[Proximal sensing]]></kwd>
<kwd lng="en"><![CDATA[Android]]></kwd>
<kwd lng="en"><![CDATA[Digital camera.]]></kwd>
<kwd lng="es"><![CDATA[Pedometría]]></kwd>
<kwd lng="es"><![CDATA[Soil analysis pro]]></kwd>
<kwd lng="es"><![CDATA[Tabla de color Munsell]]></kwd>
<kwd lng="es"><![CDATA[Sensado proximal]]></kwd>
<kwd lng="es"><![CDATA[Android]]></kwd>
<kwd lng="es"><![CDATA[Cámara digital]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<collab>Broken Oak studios</collab>
<source><![CDATA[Soil Analysis Pro]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<collab>FAO</collab>
<source><![CDATA[World reference base for soil resources]]></source>
<year>2014</year>
<page-range>203</page-range><publisher-loc><![CDATA[Italy ]]></publisher-loc>
<publisher-name><![CDATA[Food and Agriculture Organization (FAO).]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fan]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrick]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Saltzman]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Matteis]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Yudina]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nocella]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Crawford]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Parker]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Zee]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Measurement of soil color: a comparison between smartphone camera and the Munsell color charts]]></article-title>
<source><![CDATA[Soil Science Society of America Journal]]></source>
<year>2017</year>
<volume>81</volume>
<page-range>1139-46</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Dong]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiao]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A smartphone-based soil color sensor: for soil type classification]]></article-title>
<source><![CDATA[Computers and Electronics in Agriculture]]></source>
<year>2016</year>
<volume>123</volume>
<page-range>232-41</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jahn]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Blume]]></surname>
<given-names><![CDATA[H. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Asio]]></surname>
<given-names><![CDATA[V. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Schad]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Guidelines for soil description]]></source>
<year>2006</year>
<edition>8</edition>
<page-range>97</page-range><publisher-loc><![CDATA[Rome ]]></publisher-loc>
<publisher-name><![CDATA[Food and Agriculture Organization (FAO).]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kirillova]]></surname>
<given-names><![CDATA[N.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Grauer-gray]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Harteminkb]]></surname>
<given-names><![CDATA[A.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sileovaa]]></surname>
<given-names><![CDATA[T.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Artemyevac]]></surname>
<given-names><![CDATA[Z.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Burova]]></surname>
<given-names><![CDATA[E. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New perspectives to use Munsell color charts with electronic devices.]]></article-title>
<source><![CDATA[Computers and Electronics in Agriculture]]></source>
<year>2018</year>
<volume>155</volume>
<page-range>378-85</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marqués-Mateu]]></surname>
<given-names><![CDATA[Á.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno-Ramón]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Balasch]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibáñez-Asensio]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quantifying the uncertainty of soil colour measurements with Munsell charts using a modified attribute agreement analysis]]></article-title>
<source><![CDATA[Catena]]></source>
<year>2018</year>
<volume>171</volume>
<page-range>44-53</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<collab>Munsell Color Company</collab>
<source><![CDATA[Munsell Soil Color Charts]]></source>
<year>2009</year>
<page-range>36</page-range><publisher-loc><![CDATA[United States ]]></publisher-loc>
<publisher-name><![CDATA[X-rite]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pegalajar]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[L.G.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Marañón]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mansilla]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Munsell colour-based approach for soil classification using Fuzzy Logic and Artificial Neural Networks]]></article-title>
<source><![CDATA[Fuzzy Sets and Systems]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pongnumkul]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Chaovalit]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Surasvadi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Applications of Smartphone-Based Sensors in Agriculture: A Systematic Review of Research]]></article-title>
<source><![CDATA[Journal of Sensors]]></source>
<year>2015</year>
<volume>18</volume>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[H.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Jacomine]]></surname>
<given-names><![CDATA[P.K.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Anjos]]></surname>
<given-names><![CDATA[L.H.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[V.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lumbreras]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Coelho]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Araujo Filho]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[J.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Cunha]]></surname>
<given-names><![CDATA[T.J.F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sistema brasileiro de classificação de solos]]></source>
<year>2018</year>
<edition>5</edition>
<page-range>590</page-range><publisher-loc><![CDATA[Brasília ]]></publisher-loc>
<publisher-name><![CDATA[Embrapa]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Skorka]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Dileepan]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Toward a digital camera to rival the human eye]]></article-title>
<source><![CDATA[Journal of Electronic Imaging]]></source>
<year>2011</year>
<volume>20</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stiglitz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mikhailova]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Post]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Schlautman]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharp]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of an inexpensive sensor to measure soil color]]></article-title>
<source><![CDATA[Computers and Electronics in Agriculture]]></source>
<year>2016</year>
<volume>121</volume>
<page-range>141-8</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stiglitz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mikhailova]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Post]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Schlautman]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharp]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Using an inexpensive color sensor for rapid assessment of organic carbon]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2020</year>
<volume>286</volume>
<page-range>98-103</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stiglitz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mikhailova]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Post]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Schlautman]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharp]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pargas]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Glover]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Mooney]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil color sensor data collection using a GPS-enabled smartphone application]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2017</year>
<volume>296</volume>
<page-range>108-14</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Simon]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhnag]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Hartemink]]></surname>
<given-names><![CDATA[A.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Water]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Yost]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predicting the color of sandy soils from Wisconsin, USA.]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2020</year>
<volume>361</volume>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vieira]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Contribuição de compostos de baixa cristalinidade e ciclos de umedecimento e secagem na gênese do caráter coeso em solos do Ceará]]></source>
<year>2013</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
