<?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>0188-4611</journal-id>
<journal-title><![CDATA[Investigaciones geográficas]]></journal-title>
<abbrev-journal-title><![CDATA[Invest. Geog]]></abbrev-journal-title>
<issn>0188-4611</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Geografía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-46112022000100103</article-id>
<article-id pub-id-type="doi">10.14350/rig.60477</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Phosphorus Concentrations and Stocks in Different Soil Classes, Uses and Coverages in Agreste Pernambucano, Brazil]]></article-title>
<article-title xml:lang="es"><![CDATA[Concentraciones y existencias de fósforo en diferentes clases de suelo, usos y coberturas en Agreste Pernambucano, Brasil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luna]]></surname>
<given-names><![CDATA[Igor Revelles Gomes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corrêa]]></surname>
<given-names><![CDATA[Marcus Metri]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Primo]]></surname>
<given-names><![CDATA[Dário Costa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rolim Neto]]></surname>
<given-names><![CDATA[Fernando Cartaxo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[João Paulo Siqueira da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Menezes]]></surname>
<given-names><![CDATA[Rômulo Simões Cezar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[João Paulo de Oliveira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal Rural de Pernambuco Departamento de Tecnologia Rural ]]></institution>
<addr-line><![CDATA[Recife PE]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal Rural de Pernambuco Departamento de Tecnologia Rural ]]></institution>
<addr-line><![CDATA[Recife PE]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Federal de Pernambuco Departamento de Energia Nuclear ]]></institution>
<addr-line><![CDATA[Recife PE]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidade Federal Rural de Pernambuco Departamento de Tecnologia Rural ]]></institution>
<addr-line><![CDATA[Recife PE]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidade Federal de Pernambuco Departamento de Energia Nuclear ]]></institution>
<addr-line><![CDATA[Recife PE]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidade Federal de Pernambuco Departamento de Energia Nuclear ]]></institution>
<addr-line><![CDATA[Recife PE]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidade Federal da Paraíba Departamento de Fitotecnia e Ciências Ambientais ]]></institution>
<addr-line><![CDATA[Areia PB]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<numero>107</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-46112022000100103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-46112022000100103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-46112022000100103&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Changes in land use cause a mosaic of areas in the landscape with different uses and coverage. This condition compromises soil nutrient stocks, especially phosphorus (P). In this sense, this study aimed to determine the concentrations of extractable and total phosphorus in 04 soil classes (Yellow Argisol, Litholic Neosol, Entisol and Planosol), 04 uses and covers (Open Native Caatinga, Dense Native Caatinga, Agriculture and Pasture) of the soil, in 04 depths (0-10, 10-20, 20-30 and 30-40 cm). To determine the extractable P, the Mehlich 1 and colorimetric reading were used. Total phosphorus was determined by sulfur digestion and colorimetry. The results of extractable and total P concentrations were higher for the Argisol and Planosol classes. It was observed that there were reductions in extractable P concentrations between the soil layers as the soil profile deepened. Depths between 0-20 cm generally showed higher concentrations of extractable and total phosphorus in agriculture. Among the four soil classes studied, the highest average values of extractable and total P stocks occurred in Litholic Neosols and Planosols, mainly due to agricultural use. P deficiency has been a limiting factor to agricultural productivity and, especially in the Agreste region of Pernambuco, where the main soil classes under natural cover have low levels of available and total P.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los cambios en el uso del suelo provocan un mosaico de áreas en el paisaje con diferentes usos y coberturas. Esta condición compromete las reservas de nutrientes del suelo, especialmente el fósforo (P). En ese sentido, este estudio tuvo como objetivo determinar las concentraciones de fósforo extraíble y total en 04 clases de suelo (Argisol Amarillo, Neosol Litólico, Entisol y Planosol), 04 usos y coberturas del suelo (Caatinga Nativa Abierta, Caatinga Nativa Densa, Agricultura y Pastos), en 04 profundidades (0-10, 10-20, 20-30 y 30-40 cm). Para determinar el P extraíble se utilizó el Mehlich 1 y la lectura colorimétrica. El fósforo total se determinó por digestión de azufre y colorimetría. Los resultados de las concentraciones de P extraíble y total fueron mayores para las clases Argisol y Planosol. Se observó que hubo reducciones en las concentraciones de P extraíble entre las capas del suelo a medida que se profundizaba el perfil del suelo. Las profundidades entre 0 y 20 cm generalmente mostraron concentraciones más altas de fósforo extraíble y total en la agricultura. Entre las cuatro clases de suelo estudiadas, los valores promedio más altos de existencias de P extraíble y total se presentaron en los Neosoles y Planosoles Litólicos, principalmente debido al uso agrícola. La deficiencia de P ha sido un factor limitante para la productividad agrícola y, especialmente en la región de Agreste de Pernambuco, donde las principales clases de suelo con cobertura natural tienen niveles bajos de P disponible y total.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[management systems]]></kwd>
<kwd lng="en"><![CDATA[availability]]></kwd>
<kwd lng="en"><![CDATA[tropical region]]></kwd>
<kwd lng="es"><![CDATA[sistemas de gestión]]></kwd>
<kwd lng="es"><![CDATA[región tropical]]></kwd>
<kwd lng="es"><![CDATA[tipos de suelos]]></kwd>
<kwd lng="es"><![CDATA[cambio de uso del suelo]]></kwd>
<kwd lng="es"><![CDATA[nutrientes]]></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[Accioly]]></surname>
<given-names><![CDATA[L. D. O.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cavalcanti Junior]]></surname>
<given-names><![CDATA[E. D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alves]]></surname>
<given-names><![CDATA[E. D. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[A. D. S.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mapeamento do uso e cobertura das terras do Semiárido pernambucano (escala 1: 100.000)]]></article-title>
<source><![CDATA[Embrapa Solos-Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Azevedo]]></surname>
<given-names><![CDATA[M. C. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Perdas de fósforo por lixiviação em neossolo regolítico adubado com esterco bovino curtido em condiçoes semiáridas]]></source>
<year>2018</year>
<publisher-name><![CDATA[Universidade Federal da Paraíba, Centro de Ciências Agrárias]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Berhe]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Barnes]]></surname>
<given-names><![CDATA[R. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Six]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Marín-Spiotta]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of soil erosion in biogeochemical cycling of essential elements: Carbon, nitrogen, and phosphorus]]></article-title>
<source><![CDATA[Annual Review of Earth and Planetary Sciences]]></source>
<year>2018</year>
<volume>46</volume>
<page-range>521-48</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bucher]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rausch]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Daram]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Molecular and biochemical mechanisms of phosphorus uptake into plants]]></article-title>
<source><![CDATA[Journal of Plant Nutrition and Soil Science]]></source>
<year>2001</year>
<volume>164</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>209-17</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[C. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Condron]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sherlock]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phosphorus dynamics in the rhizosphere of perennial ryegrass (Lolium perenne L.) and radiata pine (Pinus radiata D. Don.)]]></article-title>
<source><![CDATA[Soil Biology and Biochemistry]]></source>
<year>2002</year>
<volume>34</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>487-99</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<collab>Condepe</collab>
<collab>Fidem</collab>
<collab>Agência Estadual de Planejamento e Pesquisas de Pernambuco</collab>
<source><![CDATA[Aspectos geoambientais e socioeconômicos da bacia hidrográfica do Rio Una, grupos de bacias hidrográficas de pequenos rios litorâneos GL 4 e GL 5]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Recife, PE ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corrêa]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Mauad]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosolem]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fósforo no solo e desenvolvimento de soja influenciados pela adubação fosfatada e cobertura vegetal]]></article-title>
<source><![CDATA[Pesquisa Agropecuária Brasileira]]></source>
<year>2004</year>
<volume>39</volume>
<page-range>1231-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Csathó]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Radimszky]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Németh]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[NP turnover studies on European and on Danube basin levels]]></article-title>
<source><![CDATA[Mitigation Options for Nutrient Reduction in Surface and Ground Waters]]></source>
<year>2011</year>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[S.T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Avaliação do Estoque de Serrapilheira e do Conteúdo de Nutrientes em Diferentes Ambientes Solo-Planta no Corredor das Estradas de ferro Carajás]]></source>
<year>1992</year>
<publisher-name><![CDATA[Universidade Federal Rural do Rio de Janeiro]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elser]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phosphorus: a limiting nutrient for humanity?]]></article-title>
<source><![CDATA[Current opinion in biotechnology]]></source>
<year>2012</year>
<volume>23</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>833-8</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernandes]]></surname>
<given-names><![CDATA[F. C. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Produção de liteira, concentração e estoque de nutrientes em Floresta Nativa e Capoeira]]></source>
<year>2005</year>
<publisher-name><![CDATA[Universidade Federal de Mato Grosso]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[D. F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sisvar: a computer statistical analysis system]]></article-title>
<source><![CDATA[Ciência e agrotecnologia]]></source>
<year>2011</year>
<volume>35</volume>
<page-range>1039-42</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Frossard]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Condron]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Oberson]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sinaj]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Fardeau]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Processes governing phosphorus availability in temperate soils]]></article-title>
<source><![CDATA[Journal of environmental quality]]></source>
<year>2000</year>
<volume>29</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>15-23</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gil-Sotres]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Trasar-Cepeda]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Leirós]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Seoane]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Different approaches to evaluating soil quality using biochemical properties]]></article-title>
<source><![CDATA[Soil biology and biochemistry]]></source>
<year>2005</year>
<volume>37</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>877-87</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gregory]]></surname>
<given-names><![CDATA[A. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ritz]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[McGrath]]></surname>
<given-names><![CDATA[S. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Quinton]]></surname>
<given-names><![CDATA[J. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Goulding]]></surname>
<given-names><![CDATA[K. W. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[R. J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Whitmore]]></surname>
<given-names><![CDATA[A. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A review of the impacts of degradation threats on soil properties in the UK]]></article-title>
<source><![CDATA[Soil Use and Management]]></source>
<year>2015</year>
<volume>31</volume>
<page-range>1-15</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guillaume]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Damris]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuzyakov]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Losses of soil carbon by converting tropical forest to plantations: erosion and decomposition estimated by &#948;13C]]></article-title>
<source><![CDATA[Global change biology]]></source>
<year>2015</year>
<volume>21</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>3548-60</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Higginbottom]]></surname>
<given-names><![CDATA[T. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Symeonakis]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Assessing land degradation and desertification using vegetation index data: Current frameworks and future directions]]></article-title>
<source><![CDATA[Remote Sensing]]></source>
<year>2014</year>
<volume>6</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>9552-75</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<collab>Intituto Brasileiro de Geografia e Estatística</collab>
<source><![CDATA[IBGE]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jangid]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Franzluebbers]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[T. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Coleman]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Whitman]]></surname>
<given-names><![CDATA[W. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Land-use history has a stronger impact on soil microbial community composition than aboveground vegetation and soil properties]]></article-title>
<source><![CDATA[Soil Biology and Biochemistry]]></source>
<year>2011</year>
<volume>43</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>2184-93</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jesus]]></surname>
<given-names><![CDATA[K. N. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estoques e dinâmica do carbono e nitrogênio em solos sob diferentes coberturas e usos de terra em Pernambuco]]></source>
<year>2017</year>
<publisher-name><![CDATA[Universidade Federal de Pernambuco]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lopez-Hernandez]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Brossard]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Frossard]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[P-isotopic exchange values in relation to Po mineralisation in soils with very low P-sorbing capacities]]></article-title>
<source><![CDATA[Soil Biology and Biochemistry]]></source>
<year>1998</year>
<volume>30</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>1663-70</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maharjan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Maranguit]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuzyakov]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phosphorus fractions in subtropical soils depending on land use]]></article-title>
<source><![CDATA[European Journal of Soil Biology]]></source>
<year>2018</year>
<volume>87</volume>
<page-range>17-24</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maranguit]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Guillaume]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuzyakov]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Land-use change affects phosphorus fractions in highly weathered tropical soils]]></article-title>
<source><![CDATA[Catena]]></source>
<year>2017</year>
<volume>149</volume>
<page-range>385-93</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Matson]]></surname>
<given-names><![CDATA[P. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Parton]]></surname>
<given-names><![CDATA[W. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Power]]></surname>
<given-names><![CDATA[A. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Swift]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agricultural intensification and ecosystem properties]]></article-title>
<source><![CDATA[Science]]></source>
<year>1997</year>
<volume>277</volume>
<numero>5325</numero>
<issue>5325</issue>
<page-range>504-9</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Menezes]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[T. O. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mudanças na fertilidade de um Neossolo Regolítico após seis anos de adubação orgânica]]></article-title>
<source><![CDATA[Revista Brasileira de Engenharia Agrícola e Ambiental]]></source>
<year>2008</year>
<volume>12</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>251-7</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meurer]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fatores que influenciam o crescimento e o desenvolvimento das plantas]]></article-title>
<source><![CDATA[Fertilidade do solo. Viçosa: Sociedade Brasileira de Ciência do Solo]]></source>
<year>2007</year>
<page-range>375-470</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Motavalli]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Miles]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil phosphorus fractions after 111 years of animal manure and fertilizer applications]]></article-title>
<source><![CDATA[Biology and fertility of soils]]></source>
<year>2002</year>
<volume>36</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>35-42</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Novais]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Smyth]]></surname>
<given-names><![CDATA[T. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fósforo em solo e planta em condições tropicais (No. 631.422 N934)]]></source>
<year>1999</year>
<publisher-loc><![CDATA[Vicosa, MG (Brasil) ]]></publisher-loc>
<publisher-name><![CDATA[Universidade Federal de Vicosa]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Núñez]]></surname>
<given-names><![CDATA[J. E. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Amaral Sobrinho]]></surname>
<given-names><![CDATA[N. M. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Palmieri]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Mesquita]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conseqüências de diferentes sistemas de preparo do solo sobre a contaminação do solo, sedimentos e água por metais pesados]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência do Solo]]></source>
<year>1999</year>
<volume>23</volume>
<page-range>981-90</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[L. E. Z. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biodisponibilidade de fósforo residual em diferentes manejos de solo e adubação]]></source>
<year>2018</year>
<publisher-name><![CDATA[Universidade de Brasília, Faculdade de Agronomia e Medicina Veterinária]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[H. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fósforo e potássio exigem manejos diferenciados]]></article-title>
<source><![CDATA[Revista visão agrícola]]></source>
<year>2009</year>
<volume>9</volume>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Queiroz]]></surname>
<given-names><![CDATA[A. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Caracterização e classificação de solos do município de Casa Nova-BA para fins de uso, manejo e conservação]]></source>
<year>2013</year>
<publisher-name><![CDATA[Universidade Federal Rural do Semiárido, Biblioteca de Teses e Dissertações]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rheinheimer]]></surname>
<given-names><![CDATA[D. D. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Anghinoni]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Distribuição do fósforo inorgânico em sistemas de manejo de solo]]></article-title>
<source><![CDATA[Pesquisa Agropecuária Brasileira]]></source>
<year>2001</year>
<volume>36</volume>
<page-range>151-60</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[A. B. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Scaramuzza]]></surname>
<given-names><![CDATA[W. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Scaramuzza]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Rocha]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atributos químicos em solo sob floresta nativa e capoeira]]></article-title>
<source><![CDATA[Uniciências]]></source>
<year>2010</year>
<volume>14</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rolim Neto]]></surname>
<given-names><![CDATA[F. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Schaefer]]></surname>
<given-names><![CDATA[C. E. G. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Corrêa]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandes Filho]]></surname>
<given-names><![CDATA[E. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibraimo]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adsorção de fósforo, superfície específica e atributos mineralógicos em solos desenvolvidos de rochas vulcânicas do Alto Paranaíba (MG)]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência do Solo]]></source>
<year>2004</year>
<volume>28</volume>
<page-range>953-64</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[D. R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gatiboni]]></surname>
<given-names><![CDATA[L. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Kaminski]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fatores que afetam a disponibilidade do fósforo e o manejo da adubação fosfatada em solos sob sistema plantio direto]]></article-title>
<source><![CDATA[Ciência Rural]]></source>
<year>2008</year>
<volume>38</volume>
<page-range>576-86</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[M. A. S. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Mafra]]></surname>
<given-names><![CDATA[Á. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Albuquerque]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bayer]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Mielniczuk]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atributos físicos do solo relacionados ao armazenamento de água em um Argissolo Vermelho sob diferentes sistemas de preparo]]></article-title>
<source><![CDATA[Ciência Rural]]></source>
<year>2005</year>
<volume>35</volume>
<page-range>544-52</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[M. L. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Curi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Blancaneaux]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[de Lima]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[de Carvalho]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rotação adubo verde-milho e adsorção de fósforo em Latossolo Vermelho-Escuro]]></article-title>
<source><![CDATA[Pesquisa Agropecuária Brasileira]]></source>
<year>1997</year>
<volume>32</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>649-54</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silveira]]></surname>
<given-names><![CDATA[M. M. L. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Araújo]]></surname>
<given-names><![CDATA[M. D. S. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Sampaio]]></surname>
<given-names><![CDATA[E. V. D. S. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Distribuição de fósforo em diferentes ordens de solo do semi-árido da Paraíba e de Pernambuco]]></article-title>
<source><![CDATA[Revista Brasileira de Ciência do Solo]]></source>
<year>2006</year>
<volume>30</volume>
<page-range>281-91</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Solomon]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Lehmann]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mamo]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Fritzsche]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Zech]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phosphorus forms and dynamics as influenced by land use changes in the sub-humid Ethiopian highlands]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2002</year>
<volume>105</volume>
<numero>1-2</numero>
<issue>1-2</issue>
<page-range>21-48</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Spohn]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ermak]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuzyakov]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microbial gross organic phosphorus mineralization can be stimulated by root exudates-a 33P isotopic dilution study]]></article-title>
<source><![CDATA[Soil Biology and Biochemistry]]></source>
<year>2013</year>
<volume>65</volume>
<page-range>254-63</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tarkalson]]></surname>
<given-names><![CDATA[D. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Leytem]]></surname>
<given-names><![CDATA[A. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phosphorus mobility in soil columns treated with dairy manures and commercial fertilizer]]></article-title>
<source><![CDATA[Soil Science]]></source>
<year>2009</year>
<volume>174</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>73-80</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thomas]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Sheard]]></surname>
<given-names><![CDATA[R. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Moyer]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of conventional and automated procedures for nitrogen, phosphorus, and potassium analysis of plant material using a single digestion 1]]></article-title>
<source><![CDATA[Agronomy Journal]]></source>
<year>1967</year>
<volume>59</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>240-3</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tokura]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Furtini Neto]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Curi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Faquin]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Kurihara]]></surname>
<given-names><![CDATA[C. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Alovisi]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Formas de fósforo em solo sob plantio direto em razão da profundidade e tempo de cultivo]]></article-title>
<source><![CDATA[Pesquisa Agropecuária Brasileira]]></source>
<year>2002</year>
<volume>37</volume>
<page-range>1467-76</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ulén]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Bechmann]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fölster]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jarvie]]></surname>
<given-names><![CDATA[H. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Tunney]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agriculture as a phosphorus source for eutrophication in the north&#8208;west European countries, Norway, Sweden, United Kingdom and Ireland: a review]]></article-title>
<source><![CDATA[Soil use and Management]]></source>
<year>2007</year>
<volume>23</volume>
<page-range>5-15</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Veldkamp]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Organic carbon turnover in three tropical soils under pasture after deforestation]]></article-title>
<source><![CDATA[Soil Science Society of America Journal]]></source>
<year>1994</year>
<volume>58</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>175-80</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Withers]]></surname>
<given-names><![CDATA[P. J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jarvie]]></surname>
<given-names><![CDATA[H. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Delivery and cycling of phosphorus in rivers: a review]]></article-title>
<source><![CDATA[Science of the total environment]]></source>
<year>2008</year>
<volume>400</volume>
<numero>1-3</numero>
<issue>1-3</issue>
<page-range>379-95</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zamuner]]></surname>
<given-names><![CDATA[E. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Picone]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Echeverria]]></surname>
<given-names><![CDATA[H. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Organic and inorganic phosphorus in Mollisol soil under different tillage practices]]></article-title>
<source><![CDATA[Soil and Tillage Research]]></source>
<year>2008</year>
<volume>99</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>131-8</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
