<?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>0120-0739</journal-id>
<journal-title><![CDATA[Colombia Forestal]]></journal-title>
<abbrev-journal-title><![CDATA[Colomb. for.]]></abbrev-journal-title>
<issn>0120-0739</issn>
<publisher>
<publisher-name><![CDATA[Proyecto Curricular de Ingeniería Forestal, Facultad del Medio Ambiente y Recursos Naturales, Universidad Distrital Francisco José de Caldas.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-07392018000100047</article-id>
<article-id pub-id-type="doi">10.14483/2256201x.11629</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[IMPACTO DE Alnus acuminata Kunth EN LOS FLUJOS DE N 2 O Y CALIDAD DEL PASTO Pennisetum clandestinum Hochst. ex Chiov]]></article-title>
<article-title xml:lang="en"><![CDATA[Alnus acuminata Kunth impact on N 2 O fluxes and quality of Pennisetum clandestinum Hochst. ex Chiov grass]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva-Parra]]></surname>
<given-names><![CDATA[Amanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garay-Rodríguez]]></surname>
<given-names><![CDATA[Seydyss]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Insuasti]]></surname>
<given-names><![CDATA[Arturo S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de los Llanos  ]]></institution>
<addr-line><![CDATA[Villavicencio ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de los Llanos  ]]></institution>
<addr-line><![CDATA[Villavicencio ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Nariño  ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>47</fpage>
<lpage>57</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-07392018000100047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-07392018000100047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-07392018000100047&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  El Aliso Alnus acuminata Kunth es un forestal del trópico alto de Colombia que se asocia con pasto Pennisetum clandestinum Hochst. ex Chiov como sistema silvopastoril (SSP) y fija N atmosférico. El SSP se comparó con 0, 50, 100, 150 y 200 kg.N.ha-1.año-1 a los 30, 45 y 60 días sobre la calidad del pasto, expresada en forraje verde (FV), materia seca (MS), porcentaje de proteína cruda (%PC) y N absorbido; también se evaluaron los flujos de emisiones de N2O a la atmósfera. El SSP superó a 0 y 50 kg.N.ha-1 en todas las variables, menos en los flujos de emisiones de N2O que fue mayor a 0 kg.N.ha-1 (P&lt;0.05) e igual a 50 kg.N.ha-1 (P&gt;0.05) y en FV fue similar a 100 kg.N.ha-1 (p&gt;0.05); 150 y 200 kg.N.ha-1.año-1 superó en todas las variables al SSP. Se alcanzó mayor FV y MS a los 45 días y %PC a los 30 días.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  The Aliso Alnus acuminata Kunth is a forest species of the of the Colombian Andes associated with Kikuyu grass as silvopastoral system (SPS) and fixe atmospheric N. The SPS was compared with 0, 50, 100, 150 and 200 kg N ha-1 year-1 at 30, 45 and 60 days on pasture quality, expressed as green forage (GF), dry matter (DM), percentage of crude protein (% CP) and N absorbed, also fluxes N2O emissions to the atmosphere were evaluated. The SPS exceeded to 0 and 50 kg.N.ha-1 in all variables, less in the N2O emission fluxes that was greater than 0 kg.N.ha-1 (P&lt;0.05), equal to 50 kg.N.ha-1 (P&gt;0.05), and in GF was similar to 100 kg.N.ha-1 (p&gt;0.05). 150 and 200 kg.N.ha-1.year-1 exceeded all the variables to the SSP. A higher GF and DM was achieved at 45 days and %CP at 30 days.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[calentamiento global]]></kwd>
<kwd lng="es"><![CDATA[deforestación]]></kwd>
<kwd lng="es"><![CDATA[forestal]]></kwd>
<kwd lng="es"><![CDATA[gases de efecto invernadero GEI]]></kwd>
<kwd lng="es"><![CDATA[productividad de las pasturas.]]></kwd>
<kwd lng="en"><![CDATA[global warming]]></kwd>
<kwd lng="en"><![CDATA[deforestation]]></kwd>
<kwd lng="en"><![CDATA[forestry]]></kwd>
<kwd lng="en"><![CDATA[greenhouse gases GHG]]></kwd>
<kwd lng="en"><![CDATA[pastures productivity.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<collab>Association of Oficial Agricultural Chemists (AOAC)</collab>
<source><![CDATA[Official Methods of Analysis.]]></source>
<year>1975</year>
<edition>12th</edition>
<publisher-loc><![CDATA[Washington, D.C. ]]></publisher-loc>
<publisher-name><![CDATA[Association of Analytical Chemists International]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Apráez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Moncayo]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización agronómica y bromatológica de una pradera de kikuyo (Pennisetum clandestinum Hoechst) sometida a rehabilitación mediante labranza y fertilización orgánica y/o mineral.]]></article-title>
<source><![CDATA[LEAD]]></source>
<year>2003</year>
<volume>10</volume>
<page-range>25-35</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Becerra]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zak]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Horton]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Micolini]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ectomycorrhizal and arbuscular mycorrhizal colonization of Alnus acuminata from Cal ilegua National Park (Argentina).]]></article-title>
<source><![CDATA[Mycorrhiza]]></source>
<year>2005</year>
<volume>15</volume>
<page-range>525-31</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Beer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Alnus acuminata con pasto]]></article-title>
<source><![CDATA[Curso sobre técnicas agroforestales para el trópico húmedo]]></source>
<year>1980</year>
<page-range>6</page-range><publisher-loc><![CDATA[Turrialba, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[Catie]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bhatia]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pathak]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Aggarwal]]></surname>
<given-names><![CDATA[P.K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inventory of methane and nitrous oxide emissions from agricultural soils of India and their global warming potential.]]></article-title>
<source><![CDATA[Current Science]]></source>
<year>2004</year>
<volume>87</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>317-24</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bolan]]></surname>
<given-names><![CDATA[N.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Saggar]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Bhandral]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gaseous emissions of nitrogen from grazed pastures: processes, measurements and modelling, environmental implications, and mitigation.]]></article-title>
<source><![CDATA[Advances in Agronomy]]></source>
<year>2004</year>
<volume>84</volume>
<page-range>37-120</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Builes]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación de la producción y calidad de kikuyo Pennisetum clandestinum asociado con árboles de aliso Alnus acuminata en bmh-MB]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Medellín ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional de Colombia, Facultad de Ciencias Agropecuarias]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caru]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Becerra]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sepúlveda]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Cabello]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isolation of infective and effective Frankia strains from root nodules of Alnus acuminata (Betulaceae).]]></article-title>
<source><![CDATA[World Journal of Microbiology and Biotechnology]]></source>
<year>2000</year>
<volume>16</volume>
<page-range>647-51</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[H.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simulación del metabolismo del nitrógeno en vacas lactantes.]]></article-title>
<source><![CDATA[Revista Colombiana de Ciencias Pecuarias]]></source>
<year>2003</year>
<volume>16</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>220-7</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Klein]]></surname>
<given-names><![CDATA[C.A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Eckard]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Targeted technologies for nitrous oxide abatement from animal agriculture.]]></article-title>
<source><![CDATA[Australian Journal of Experimental Agriculture]]></source>
<year>2008</year>
<volume>48</volume>
<page-range>14-20</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gualdron]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Padilla]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Producción y calidad de leche en vacas Holstein en dos arreglos silvopastoriles de acacia y aliso asociadas con pasto kikuyo.]]></article-title>
<source><![CDATA[Revista de Zootecnia]]></source>
<year>2008</year>
<volume>1</volume>
<page-range>63-76</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Stehman]]></surname>
<given-names><![CDATA[S. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Potapov]]></surname>
<given-names><![CDATA[P. V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quantification of global gross forest cover loss.]]></article-title>
<source><![CDATA[Proceedings of the National Academy of Sciences of The United States of America]]></source>
<year>2010</year>
<volume>107</volume>
<page-range>8650-5</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holdridge]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determination of world plant formations from simple climatic data.]]></article-title>
<source><![CDATA[Science]]></source>
<year>1947</year>
<volume>105</volume>
<page-range>367-8</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Insuasty]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Apraez]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Navia]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto del arreglo silvopastoril aliso (Alnus Acuminata K.) y kikuyo (Pennisetum clandestinum H.) sobre el comportamiento productivo en novillas Holstein en el Altiplano del departamento de Nariño.]]></article-title>
<source><![CDATA[Agroforesteria Neotropical]]></source>
<year>2011</year>
<volume>1</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>29-36</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<collab>Instituto Geográfico Agustín Codazzi (IGAC)</collab>
<source><![CDATA[Estudio general de suelos y zonificación de tierras.]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Departamento de Nariño. Bogotá ]]></publisher-loc>
<publisher-name><![CDATA[IGAC. CD-ROM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<collab>Intergovernmental Panel on Climate Change (IPCC)</collab>
<article-title xml:lang=""><![CDATA[Agriculture, Forestry and Other Land Use.]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eggleston]]></surname>
<given-names><![CDATA[H.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Hayama, Guidelines for National Greenhouse Gas Inventories. Prepared by the Nacional Greenhouse Gas Inventories Programme.]]></source>
<year>2006</year>
<page-range>595p</page-range><publisher-loc><![CDATA[Japón ]]></publisher-loc>
<publisher-name><![CDATA[The Intergovernmental Panel on Climate Change. Institute for Global Environmental Strategies (Iges).]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<collab>IPCC</collab>
<source><![CDATA[The Physical Science Basis]]></source>
<year>2007</year>
<publisher-name><![CDATA[Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lotero]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fertilización de pastos]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Vallejo]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Osorio]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Seminario sobre fertilización de cultivos]]></source>
<year>1995</year>
<page-range>1-17</page-range><publisher-loc><![CDATA[Medellín ]]></publisher-loc>
<publisher-name><![CDATA[Sociedad Colombiana de la Ciencia del Suelo (SCSC)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mahecha]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El silvopastoreo: una alternativa de producción que disminuye el impacto ambiental de la ganadería bovina.]]></article-title>
<source><![CDATA[Revista Colombiana de Ciencias Pecuarias]]></source>
<year>2002</year>
<volume>15</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>226-31</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mejia-Taborda]]></surname>
<given-names><![CDATA[A.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ochoa-Ochoa]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina-Sierra]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de diferentes dosis de fertilizante compuesto en la calidad del pasto kikuyo (Pennisetum clandestinum Hochst. Ex Chiov.).]]></article-title>
<source><![CDATA[Pastos y Forrajes]]></source>
<year>2014</year>
<volume>37</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>31-7</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Molina]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mahecha]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microorganismos y micronutrientes en el crecimiento y desarrollo del Aliso (Alnus acuminata H.B.K.) en un sistema silvopastoril alto andino.]]></article-title>
<source><![CDATA[Livestock Research for Rural Development]]></source>
<year>2008</year>
<volume>20</volume>
<numero>54</numero>
<issue>54</issue>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Murgueitio]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Calle]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Uribe]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Calle]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Solorio]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Native trees and shrubs for the productive rehabilitation of tropical cattle ranching lands.]]></article-title>
<source><![CDATA[Forest Ecology and Management]]></source>
<year>2011</year>
<volume>10</volume>
<page-range>1654-63</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Naranjo]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación nutricional del pasto kikuyo a diferentes edades de corte.]]></article-title>
<source><![CDATA[Despertar Lechero]]></source>
<year>2002</year>
<volume>20</volume>
<page-range>150-67</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Naranjo]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuartas]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Murgueitio]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Chará]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Barahona]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Balance de gases de efecto invernadero en sistemas silvopastoriles intensivos con Leucaena leucocephala en Colombia.]]></article-title>
<source><![CDATA[Livestock Research for Rural Development]]></source>
<year>2012</year>
<volume>24</volume>
<numero>150</numero>
<issue>150</issue>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parra-Silva]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Greenhouse gas balance in the conversion from extensive pasture to other agricultural systems in Andean region of Colombia]]></source>
<year>2015</year>
<page-range>49</page-range><publisher-loc><![CDATA[Jaboticabal, Brasil ]]></publisher-loc>
<publisher-name><![CDATA[UNESP, Department of Exacts Sciences]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Phongpan]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Mosier]]></surname>
<given-names><![CDATA[A.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of crop residue management on nitrogen dynamics and balance in a lowland rice cropping system.]]></article-title>
<source><![CDATA[Nutrient Cycling in Agroecosystems]]></source>
<year>2003</year>
<volume>66</volume>
<page-range>133-42</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pattey]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Trzcinski]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Desjardins]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quantifying the reduction of greenhouse gas emissions as a result of composting dairy and beef cattle manure.]]></article-title>
<source><![CDATA[Nutrient cycling in Agroecosystems]]></source>
<year>2005</year>
<volume>72</volume>
<page-range>173-87</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Razz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Clavero]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cambios en las características químicas de suelos en un banco de Leucaena leucocephala y en un monocultivo de Brachiaria brizantha.]]></article-title>
<source><![CDATA[Revista de la Facultad de Agronomia LUZ]]></source>
<year>2006</year>
<volume>23</volume>
<page-range>326-31</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Read]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Koucheki]]></surname>
<given-names><![CDATA[H.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Hodgson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vesicular-arbuscular mycorrhiza in natural vegetation systems. I. The occurrence of infection.]]></article-title>
<source><![CDATA[New Phytologist]]></source>
<year>1976</year>
<volume>77</volume>
<page-range>641-53</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reeves]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fulkerson]]></surname>
<given-names><![CDATA[W.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kellaway]]></surname>
<given-names><![CDATA[R.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Forage quality of kikuyu (Pennisetum clandestinum): the effect of time of defoliation and nitrogen fertiliser application and in comparison with perennial ryegrass (Lolium perenne) Australian]]></article-title>
<source><![CDATA[Journal of Agricultural Research]]></source>
<year>1996</year>
<volume>47</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1349-59</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reis]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lana]]></surname>
<given-names><![CDATA[Á.]]></given-names>
</name>
<name>
<surname><![CDATA[Mauricio]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lana]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Borges]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of trees on soil nutrient pools in a silvopastoral system in the Brazilian Savannah]]></article-title>
<source><![CDATA[Plant and Soil]]></source>
<year>2009</year>
<numero>329</numero>
<issue>329</issue>
<page-range>185-93</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<collab>SAS Institute Inc</collab>
<source><![CDATA[SAS User's Guide: SAS STAT Version 9.]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Cary, NC ]]></publisher-loc>
<publisher-name><![CDATA[SAS Institute Inc]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Martino]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Zucong]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gwary]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Janzen]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Mccarl]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ogle]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[O'mara]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Rice]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Scholes]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Sirotenko]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Howden]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mcallister]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Pan]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Romanenkov.]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Towpra-Yoon]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wattenbach]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Greenhouse gas mitigation in agriculture.]]></article-title>
<source><![CDATA[Philosophical Transactions of The Royal Society B Biological]]></source>
<year>2008</year>
<volume>363</volume>
<page-range>789-813</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soto]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Valencia]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Galvis]]></surname>
<given-names><![CDATA[R.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[H.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la edad de corte y del nivel de fertilización nitrogenada sobre el valor energético y proteico del pasto kikuyo (Pennisetum clandestinum).]]></article-title>
<source><![CDATA[Revista Colombiana de Ciencias Pecuarias]]></source>
<year>2005</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>17-26</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soussana]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Tallec]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Blanfort]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mitigating the greenhouse gas balance of ruminant production systems through carbon sequestration in grasslands.]]></article-title>
<source><![CDATA[Animal]]></source>
<year>2010</year>
<volume>4</volume>
<page-range>334-50</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Staley]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Neel]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conversion of deciduous forest to silvopasture produces soil properties indicative of rapid transition to improved pasture.]]></article-title>
<source><![CDATA[Agroforestry Systems]]></source>
<year>2008</year>
<volume>74</volume>
<page-range>267-77</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tarre]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Macedo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cantarutti]]></surname>
<given-names><![CDATA[R.de. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Rezende]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Alves]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Urquiaga]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Boddey]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of the presence of a forage legume on nitrogen and carbon levels in soils under Brachiaria pastures in the Atlantic forest region of the South of Bahia, Brazil.]]></article-title>
<source><![CDATA[Plant and Soil]]></source>
<year>2001</year>
<volume>234</volume>
<page-range>15-26</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Teitzel]]></surname>
<given-names><![CDATA[J.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Gilbert]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cowan]]></surname>
<given-names><![CDATA[R.T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sustaining productive pastures in the tropics. Nitrogen fertilized grass pastures.]]></article-title>
<source><![CDATA[Tropical Grasslands]]></source>
<year>1991</year>
<volume>25</volume>
<page-range>111-8</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van-Kernebeek]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Gerber]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental life cycle analysis of milk production in Ropar, India.]]></source>
<year>2008</year>
<page-range>34</page-range><publisher-loc><![CDATA[India ]]></publisher-loc>
<publisher-name><![CDATA[Food and Agriculture Organization of the United Nations (FAO).]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zapata]]></surname>
<given-names><![CDATA[B.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[Z.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Asfier]]></surname>
<given-names><![CDATA[C.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización forrajera de un sistema silvopastoril de vegetación secundaria con base en la aptitud de suelo]]></article-title>
<source><![CDATA[Técnica Pecuaria en México]]></source>
<year>2009</year>
<volume>47</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>257-70</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
