<?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>0122-7483</journal-id>
<journal-title><![CDATA[Universitas Scientiarum]]></journal-title>
<abbrev-journal-title><![CDATA[Univ. Sci.]]></abbrev-journal-title>
<issn>0122-7483</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ciencias de la Pontificia Universidad Javeriana de Bogotá.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-74832019000100033</article-id>
<article-id pub-id-type="doi">10.11144/javeriana.sc24-1.nait</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Nutrient absorption in Tithonia Diversifolia]]></article-title>
<article-title xml:lang="es"><![CDATA[Absorción de Nutrientes en Tithonia diversifolia]]></article-title>
<article-title xml:lang="pt"><![CDATA[Absorção de nutrientes em Tithonia diversifolia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Botero Londoño]]></surname>
<given-names><![CDATA[Julián Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Carabali]]></surname>
<given-names><![CDATA[Arnulfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Botero Londoño]]></surname>
<given-names><![CDATA[Mónica Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salcedo-Reyes]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Industrial de Santander  ]]></institution>
<addr-line><![CDATA[Santander ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Palmira, Valle ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Industrial de Santander  ]]></institution>
<addr-line><![CDATA[Bucaramanga, Santander ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<fpage>33</fpage>
<lpage>48</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-74832019000100033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-74832019000100033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-74832019000100033&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Tithonia diversifolia is a robust shrub that has high ecological plasticity and adaptability, high capacity of nutrient absorption and high nutrient contents. These characteristics make Tithonia diversifolia be considered as a multi-purpose plant, such as for animal feed, soil decontamination and soil restorer. Likewise, it is a plant with high ecological plasticity and adaptability. The study of the nutrient absorption and the fertilization represent an important advance in the development of productive systems focused on maximizing forage productivity, which guarantees the soil sustainability. Based on this, a split plot design was conducted to study the effects of different levels of fertilization. The results showed an impact of the elements and levels of fertilization on the nutrient absorption capacity, finding that the elements that were incorporated in the fertilization increase the foliar contents and the nutrient absorption in the plant.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Tithonia diversifolia es un arbusto robusto que tiene alta plasticidad ecológica y adaptabilidad, alta capacidad de absorción de nutrientes y alto contenido de nutrientes. Estas características hacen que Tithonia diversifolia sea considerada una planta multipropósito, tanto para alimento animal como para descontaminación y restauración del suelo. El estudio de la absorción de nutrientes y la fertilización representa un avance importante en el desarrollo de sistemas productivos enfocados en la maximización de la productividad de forraje, lo cual garantiza la sostenibilidad del suelo. Con base en esto, se llevó a cabo un diseño experimental de parcelas divididas con el fin de estudiar los efectos de diferentes niveles de fertilización. Los resultados mostraron un impacto de los elementos y los niveles de fertilización en la capacidad de absorción de nutrientes; se encontró que los elementos que fueron incorporados en la fertilización incrementan los contenidos foliares y la absorción de nutrientes en la planta.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Tithonia diversifolia é um arbusto robusto que tem alta plasticidade ecológica e adaptabilidade, alta capacidade de absorção de nutrientes e alto conteúdo de nutrientes. Estas características fazem com que Tithonia diversifolia seja considerada uma planta multipropósito, tanto para alimento animal como para descontaminação e restauração do solo. O estudo da absorção de nutrientes e da fertilização representa um avance importante no desenvolvimento de sistemas produtivos enfocados na otimizacao da produtividade de forragem, o que garante a sustentabilidade do solo. Baseado em esto, se realizou um desenho experimental de parcelas divididas com a finalidade de estudar os efeitos de diferentes níveis de fertilização. Os resultados mostraram um impacto dos elementos e dos níveis de fertilização na capacidade de absorção de nutrientes. Se encontrou que os elementos que foram incorporados na fertilização incrementam os conteúdos foliares e a absorção de nutrientes na planta.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[agroforestry systems]]></kwd>
<kwd lng="en"><![CDATA[fertilization]]></kwd>
<kwd lng="en"><![CDATA[pastures and fodder.]]></kwd>
<kwd lng="es"><![CDATA[sistemas agroforestales]]></kwd>
<kwd lng="es"><![CDATA[fertilización]]></kwd>
<kwd lng="es"><![CDATA[pastizales]]></kwd>
<kwd lng="es"><![CDATA[forraje]]></kwd>
<kwd lng="pt"><![CDATA[Sistemas agroflorestais]]></kwd>
<kwd lng="pt"><![CDATA[fertilização]]></kwd>
<kwd lng="pt"><![CDATA[pastagens]]></kwd>
<kwd lng="pt"><![CDATA[forragem]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>[1]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Montejo]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Iglesias]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Martín]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tithonia diversifolia (Hemsl.)]]></article-title>
<source><![CDATA[Pastos y Forrajes]]></source>
<year>2009</year>
<volume>32</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-15</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>[2]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ou]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Geng]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development of EST-SSR Markers for the Invasive Plant Tithonia diversifolia (Asteraceae)]]></article-title>
<source><![CDATA[Applications in Plant Sciences]]></source>
<year>2016</year>
<volume>4</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1600011</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>[3]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Olabode]]></surname>
<given-names><![CDATA[OS]]></given-names>
</name>
<name>
<surname><![CDATA[Sola]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Akanbi]]></surname>
<given-names><![CDATA[WB]]></given-names>
</name>
<name>
<surname><![CDATA[Adesina]]></surname>
<given-names><![CDATA[OG]]></given-names>
</name>
<name>
<surname><![CDATA[Babajide]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of Tithonia diversifolia (Hemsl.) A gray for soil improvement]]></article-title>
<source><![CDATA[World Journal of Agricultural Sciences]]></source>
<year>2007</year>
<volume>3</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>503-7</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>[4]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peters]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Franco]]></surname>
<given-names><![CDATA[LH]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hincapie]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<source><![CDATA[Especies forrajeras multipropósito: opciones para productores de Centroamérica, International Center for Tropical Agriculture (CIAT), Bundesministerium fur Wirtschaftliche Zusammenarbeit und Entwicklung (BMZ), Dutsche Gesellschaft fur technische Zusammenarbeit (GTZ)]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Cali Colombia ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B5">
<label>[5]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reis]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[LD]]></given-names>
</name>
<name>
<surname><![CDATA[Pegoraro]]></surname>
<given-names><![CDATA[RF]]></given-names>
</name>
<name>
<surname><![CDATA[Colen]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Rocha]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[GADP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nutrition of Tithonia diversifolia and attribu tes of the soil fertilized with biofertilizer in irrigated system]]></article-title>
<source><![CDATA[Revista Brasileira de Engenharia Agrícola e Ambiental]]></source>
<year>2016</year>
<volume>20</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1008-13</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>[6]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cerrato]]></surname>
<given-names><![CDATA[RF]]></given-names>
</name>
<name>
<surname><![CDATA[Alarcón]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La microbiología del suelo en la agricultura sostenible]]></article-title>
<source><![CDATA[Ciencia ergo-sum]]></source>
<year>2001</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>175-83</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>[7]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Givens]]></surname>
<given-names><![CDATA[DI]]></given-names>
</name>
<name>
<surname><![CDATA[Owen]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Axford]]></surname>
<given-names><![CDATA[RFE]]></given-names>
</name>
<name>
<surname><![CDATA[Omed]]></surname>
<given-names><![CDATA[HM]]></given-names>
</name>
</person-group>
<source><![CDATA[Forage evaluation in ruminant nutritions]]></source>
<year>2000</year>
<publisher-loc><![CDATA[CAB International, London ]]></publisher-loc>
<publisher-name><![CDATA[UK]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<label>[8]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Socarrás]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Izquierdo]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of agroecological systems through biological indicators of the soil quality: edaphic mesofauna]]></article-title>
<source><![CDATA[Pastos y Forrajes]]></source>
<year>2014</year>
<volume>37</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>109-14</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>[9]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Azcón]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Talón]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Fundamentos de fisiología vegetal]]></source>
<year>2008</year>
<edition>Segunda edición</edition>
<publisher-loc><![CDATA[Madrid, España ]]></publisher-loc>
<publisher-name><![CDATA[MacGraw- Hill Interamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>[10]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Las endomicorrizas: Expresión Bioedáfica de imp ortancia en el trópico]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Palmira, Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional de Colombia sede Palmira]]></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[Omaña]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Peña]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acumulación de materia seca y balance de nutrientes en tomate (Solanum lycopersicum L.) cultivado en ambiente protegido]]></article-title>
<source><![CDATA[Bioagro]]></source>
<year>2015</year>
<volume>27</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>111-20</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>[12]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mejía]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gratzfeld]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Luzio]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Menis]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Fick]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[McDowell]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Conrad]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Conceptos sobre fisiología de absorción y funciones de los minerales en la nutrición de plantas]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Palmira, Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Universidad Nacional de Colombia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<label>[13]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Estrada]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Pastos y Forrajes para el trópico colombiano. Manizales]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Manizales, Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Universidad de Caldas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<label>[14]</label><nlm-citation citation-type="book">
<collab>Laboratorio de Nutrición Animal</collab>
<source><![CDATA[Protocolos de Laboratorio. Análisis de Alimentos y Forrajes]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Palmira, Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<label>[15]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Cuartas]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Naranjo]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Tafur]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Hurtado]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Arenas]]></surname>
<given-names><![CDATA[FA]]></given-names>
</name>
<name>
<surname><![CDATA[Chará]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Murgueitio]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la oferta y el consumo de Tithonia diversifolia en un sistema silvopastoril intensivo (SSPi), en la calidad y productividad de leche bovina en el piedemonte Amazónico colombiano]]></article-title>
<source><![CDATA[Livestock Research for Rural Development]]></source>
<year>2015</year>
<volume>27</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>189</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[Meza]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[Loor]]></surname>
<given-names><![CDATA[NJ]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[AR]]></given-names>
</name>
<name>
<surname><![CDATA[Avellaneda]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Vera]]></surname>
<given-names><![CDATA[DF]]></given-names>
</name>
<name>
<surname><![CDATA[Cabanilla]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<name>
<surname><![CDATA[Liuba]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[FF]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Moncayo]]></surname>
<given-names><![CDATA[OF]]></given-names>
</name>
<name>
<surname><![CDATA[Cadena]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Villamar]]></surname>
<given-names><![CDATA[RO]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Rizzo]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[FX]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inclusión de harinas de follajes arbóreos y arbustivos tropicales (Morus alba, Erythrina poeppigiana, Tithonia diversifolia E Hibiscus rosa-sinensis) en la alimentación de cuyes (Cavia porcellus Linnaeus)]]></article-title>
<source><![CDATA[Revista de la Facultad de Medicina Veterinaria y de Zootecnia]]></source>
<year>2014</year>
<volume>61</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>258-69</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>[17]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aye]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative nutritive value of Moringa oleífera, Tithonia diversifolia and Gmelina arborea leaf meals]]></article-title>
<source><![CDATA[American Journal of Food and Nutrition]]></source>
<year>2016</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>23-32</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>[18]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Muhammad]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Skarpe]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Guerin]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diversidad forrajera tropical 1. Selección y uso de leñosas forrajeras en sistemas de alimentación ganadera para zonas secas de Nicaragua]]></article-title>
<source><![CDATA[Agroforestería en las Américas,]]></source>
<year>2013</year>
<volume>50</volume>
<page-range>37-43</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>[19]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jama]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Palm]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Buresh]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Niang]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Gachengo]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Nziguheba]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Amadalo]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tithonia diversifolia as a green manure for soil fertility improvement in western Kenya: A review]]></article-title>
<source><![CDATA[Agroforestry Systems]]></source>
<year>2000</year>
<volume>49</volume>
<page-range>201-21</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[Figueiredo]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Grassi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sewage sludge levels on the development and nutrition of sunflower plants]]></article-title>
<source><![CDATA[Revista de la ciencia del suelo y nutrición vegetal]]></source>
<year>2009</year>
<volume>9</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>245-55</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>[21]</label><nlm-citation citation-type="book">
<source><![CDATA[Consideraciones generales para interpretar análisis de suelos. Instituto Geográfico Agustín Codazzi (IGAC) Colombia]]></source>
<year>1998</year>
<publisher-name><![CDATA[Bogotá, Colombia]]></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[Fallas]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Bertsch]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Barrientos]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Curvas de absorción de nutrientes en papaya (Carica papaya L.) cv. &#8220;Pococí&#8221; en las fases de crecimiento vegetativo, floración e inicio de cosecha]]></article-title>
<source><![CDATA[Agronomía Costarricense]]></source>
<year>2014</year>
<volume>38</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>43-54</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[Estrada]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Pastos y Forrajes para el trópico colombiano]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Manizales, Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Universidad de Caldas]]></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[González]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Figueroa]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Preciado]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Núñez]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Guadalupe]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Antuna]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficient use and apparent recuperation of nitrogen in fodder corn at different grounds]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Agrícolas]]></source>
<year>2016</year>
<volume>7</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>301-9</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[Opala]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
<name>
<surname><![CDATA[Okalebo]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Othieno]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Kisinyo]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of organic and inorganic phosphorus sources on maize yields in an acid soil in western Kenya]]></article-title>
<source><![CDATA[Nutrient Cycling in Agroecosystems]]></source>
<year>2010</year>
<volume>86</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>317-29</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[Mustonen]]></surname>
<given-names><![CDATA[PSJ]]></given-names>
</name>
<name>
<surname><![CDATA[Oelbermann]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kass]]></surname>
<given-names><![CDATA[DCL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Response of the common bean (Phaseolus vulgaris L.) to Tithonia diversifolia (Hamsl.) Gray biomass retention or removal in a slash and mulch agroforestry system]]></article-title>
<source><![CDATA[Agroforestry Systems,]]></source>
<year>2014</year>
<volume>88</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
