<?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>0120-2812</journal-id>
<journal-title><![CDATA[Acta Agronómica]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Agron.]]></abbrev-journal-title>
<issn>0120-2812</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-28122024000100092</article-id>
<article-id pub-id-type="doi">10.15446/acag.v73n1.114540</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Temporal variation of soil acidity attributes in cocoagrowing areas]]></article-title>
<article-title xml:lang="es"><![CDATA[Variación temporal de los atributos de acidez del suelo en zonas cacaoteras]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[dos Santos Oliveira]]></surname>
<given-names><![CDATA[Ádson]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Souza Júnior]]></surname>
<given-names><![CDATA[José Olímpio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lima Neves]]></surname>
<given-names><![CDATA[Júlio César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[dos Santos Neto]]></surname>
<given-names><![CDATA[José Augusto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ahnert]]></surname>
<given-names><![CDATA[Dário]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Estadual de Santa Cruz  ]]></institution>
<addr-line><![CDATA[Bahia ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal de Viçosa Departamento de Solos ]]></institution>
<addr-line><![CDATA[Viçosa Minas Gerais]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Universitário Professor Darcy Ribeiro  ]]></institution>
<addr-line><![CDATA[Montes Claros Minas Gerais]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>73</volume>
<numero>1</numero>
<fpage>92</fpage>
<lpage>98</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28122024000100092&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28122024000100092&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28122024000100092&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Soil acidity is one of the main constraints to agricultural production in tropical regions. The objective of this study was to assess the variability of chemical attributes related to soil acidity in two layers (0-20 cm and 20-40 cm) across nineteen experimental areas where cocoa was cultivated following Surface liming and gypsum application. After 87 months, no association was observed between soil acidification and soil buffering capacity indicators. Surface liming did not affect the acidity attributes within the 0-20 cm layer, suggesting that its impact was limited to upper soil layers. In contrast, gypsum amendment reduced Al3+ saturation in the 20-40 cm layer.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La acidez del suelo es la principal limitación para la producción agrícola en las regiones tropicales. El objetivo de este estudio fue evaluar la variabilidad de los atributos químicos relacionados con la acidez del suelo en dos capas (0-20 cm y 20-40 cm), en diecinueve áreas experimentales donde se cultivó cacao después de la aplicación de encalado superficial y yeso. Después de 87 meses, no se observó ninguna asociación entre la acidificación y los indicadores de amortiguación del suelo. El encalado superficial no afectó los atributos de acidez dentro de la capa de 0-20 cm, lo que indica que su impacto se limitó a las capas superiores del suelo. Por su parte, la enmienda con yeso resultó en una reducción en la saturación de Al3+ dentro de la capa de 20-40 cm.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[aluminum]]></kwd>
<kwd lng="en"><![CDATA[aluminum toxicity]]></kwd>
<kwd lng="en"><![CDATA[gypsum amendment]]></kwd>
<kwd lng="en"><![CDATA[gypsum mobility]]></kwd>
<kwd lng="en"><![CDATA[surface liming]]></kwd>
<kwd lng="es"><![CDATA[aluminio]]></kwd>
<kwd lng="es"><![CDATA[encalado superficial]]></kwd>
<kwd lng="es"><![CDATA[enmienda de yeso]]></kwd>
<kwd lng="es"><![CDATA[movilidad del yeso]]></kwd>
<kwd lng="es"><![CDATA[toxicidad del aluminio]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alleoni]]></surname>
<given-names><![CDATA[L. R. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cambri]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Caires]]></surname>
<given-names><![CDATA[E. F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical attributes of a cerrado Oxisol under no-tillage as affected by lime application methods and doses]]></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>923-34</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baligar]]></surname>
<given-names><![CDATA[V. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Fageria]]></surname>
<given-names><![CDATA[N. K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil aluminum effects on growth and nutrition of cacao]]></article-title>
<source><![CDATA[Soil Science and Plant Nutrition]]></source>
<year>2005</year>
<volume>51</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>709-13</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Borges]]></surname>
<given-names><![CDATA[C. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Cazetta]]></surname>
<given-names><![CDATA[J. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[F. B. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[K. S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aluminum toxicity reduces the nutritional efficiency of macronutrients and micronutrients in sugarcane seedlings]]></article-title>
<source><![CDATA[Ciência e Agrotecnologia]]></source>
<year>2020</year>
<volume>44</volume>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bossolani]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Crusciol]]></surname>
<given-names><![CDATA[C. A. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Merloti]]></surname>
<given-names><![CDATA[L. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Moretti]]></surname>
<given-names><![CDATA[L. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[N. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Tsai]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuramae]]></surname>
<given-names><![CDATA[E. E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long-term lime and gypsum amendment increase nitrogen fixation and decrease nitrification and denitrification gene abundances in the rhizosphere and soil in a tropical no-till intercropping system]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2020</year>
<volume>375</volume>
<page-range>114476</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caires]]></surname>
<given-names><![CDATA[E. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Banzatto]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[A. F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surface application of lime under a no-tillage system]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência do Solo]]></source>
<year>2000</year>
<volume>24</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>161-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Da Costa]]></surname>
<given-names><![CDATA[C. H. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Crusciol]]></surname>
<given-names><![CDATA[C. A. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[G. S. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Residual effects of superficial liming on tropical soil under no-tillage system]]></article-title>
<source><![CDATA[Pesquisa Agropecuária Brasileira]]></source>
<year>2016</year>
<volume>51</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1633-42</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Enesi]]></surname>
<given-names><![CDATA[R. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Dyck]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Thilakarathna]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Fan]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Strelkov]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Gorim]]></surname>
<given-names><![CDATA[L. Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Liming remediates soil acidity and improves crop yield and profitability-a meta-analysis]]></article-title>
<source><![CDATA[Frontiers in Agronomy]]></source>
<year>2023</year>
<volume>5</volume>
<page-range>1194896</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gurmessa]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil acidity challenges and the significance of liming and organic amendments in tropical agricultural lands with reference to Ethiopia]]></article-title>
<source><![CDATA[Environment, Development and Sustainability]]></source>
<year>2021</year>
<volume>23</volume>
<page-range>77-99</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hirzel]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Undurraga]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[León]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Panichini]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Carrasco]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Matus]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Maize grain production, plant nutrient concentration and soil chemical properties in response to different residue levels from two previous crops]]></article-title>
<source><![CDATA[Acta Agriculturae Scandinavica, Section B - Soil and Plant Science]]></source>
<year>2020</year>
<volume>70</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>285-93</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[G. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Conyers]]></surname>
<given-names><![CDATA[M. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Helyar]]></surname>
<given-names><![CDATA[K. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lisle]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Poile]]></surname>
<given-names><![CDATA[G. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cullis]]></surname>
<given-names><![CDATA[B. R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long-term surface application of lime ameliorates subsurface soil acidity in the mixed farming zone of south-eastern Australia]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2019</year>
<volume>338</volume>
<page-range>236-46</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nakayama]]></surname>
<given-names><![CDATA[L. H. I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influência das formas de aplicação de calcário e gesso agrícola sobre o desenvolvimento do cacaueiro]]></article-title>
<source><![CDATA[Revista Theobroma]]></source>
<year>1988</year>
<volume>18</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>241-6</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nora]]></surname>
<given-names><![CDATA[D. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Amado]]></surname>
<given-names><![CDATA[T. J. C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Improvement in chemical attributes of oxisol subsoil and crop yields under no-till]]></article-title>
<source><![CDATA[Agronomy Journal]]></source>
<year>2013</year>
<volume>105</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1393-403</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parecido]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Soratto]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Perdoná]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Guidorizzi]]></surname>
<given-names><![CDATA[F. V.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomes]]></surname>
<given-names><![CDATA[G. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Paula]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gitari]]></surname>
<given-names><![CDATA[H. I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Limestone increased coffee yield and profitability more than phosphogypsum or their combination]]></article-title>
<source><![CDATA[Agronomy Journal]]></source>
<year>2021</year>
<volume>113</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>3586-99</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pauletti]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[de Pierri]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ranzan]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Barth]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Motta]]></surname>
<given-names><![CDATA[A. C. V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long-term effects of the application of gypsum and lime in a no-till system]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência do Solo]]></source>
<year>2014</year>
<volume>38</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>495-505</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<collab>R Core Team</collab>
<source><![CDATA[R: A Language and Environment for Statistical Computing]]></source>
<year>2023</year>
<publisher-name><![CDATA[R Foundation for Statistical Computing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rheinheimer]]></surname>
<given-names><![CDATA[D. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tiecher]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzatto]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Zafar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Brunetto]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Residual effect of surface-applied lime on soil acidity properties in a long-term experiment under no-till in a Southern Brazilian sandy Ultisol]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2018</year>
<volume>313</volume>
<page-range>7-16</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruíz]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerna-Rebaza]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Villalobos]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva- Pereda]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Vásquez-Cunya]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of aluminum and pH on the growth of roots of Phaseolus vulgaris var. caballero under laboratory conditions]]></article-title>
<source><![CDATA[REBIOL]]></source>
<year>2016</year>
<volume>36</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>4-15</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<collab>SEI-BA</collab>
<source><![CDATA[Tipologia climática Thornthwaite &amp; Matter]]></source>
<year>2022</year>
<publisher-name><![CDATA[Superintendência de Estudos Econômicos e Sociais da Bahia (SEI-BA)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shetty]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Prakash]]></surname>
<given-names><![CDATA[N. B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of different biochars on acid soil and growth parameters of rice plants under aluminum toxicity]]></article-title>
<source><![CDATA[Scientific Reports]]></source>
<year>2020</year>
<volume>10</volume>
<page-range>12249</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Souza Júnior]]></surname>
<given-names><![CDATA[J. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Sodré]]></surname>
<given-names><![CDATA[G. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[J. C. L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fertilidade do solo, correção da acidez e recomendação de adubação para o cacaueiro]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Souza Júnior]]></surname>
<given-names><![CDATA[J. O]]></given-names>
</name>
</person-group>
<source><![CDATA[Cacau: cultivo, pesquisa e inovação]]></source>
<year>2018</year>
<page-range>333-77</page-range><publisher-name><![CDATA[Editus]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sumner]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Noble]]></surname>
<given-names><![CDATA[A. D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil acidification: The world story]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Rengel]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of Soil Acidity]]></source>
<year>2003</year>
<page-range>27</page-range><publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[P. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Donagemma]]></surname>
<given-names><![CDATA[G. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[W.G]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual de métodos de análise de solo]]></source>
<year>2017</year>
<page-range>574</page-range><publisher-loc><![CDATA[Brasília ]]></publisher-loc>
<publisher-name><![CDATA[EMBRAPA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zandoná]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Beutler]]></surname>
<given-names><![CDATA[A. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Burg]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Barreto]]></surname>
<given-names><![CDATA[C. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[M. R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gypsum and lime increase soybean and maize yield and decrease drought stress]]></article-title>
<source><![CDATA[Pesquisa Agropecuária Tropical]]></source>
<year>2015</year>
<volume>45</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>128-37</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
