<?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>0304-2847</journal-id>
<journal-title><![CDATA[Revista Facultad Nacional de Agronomía Medellín]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Nac. Agron. Medellín]]></abbrev-journal-title>
<issn>0304-2847</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ciencias Agrarias - Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0304-28472020000309243</article-id>
<article-id pub-id-type="doi">10.15446/rfnam.v73n3.82257</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Optimum harvest time for Kikuyu grass ( Cenchrus clandestinus ) according to the number of leaves per tiller and nitrogen fertilization]]></article-title>
<article-title xml:lang="es"><![CDATA[Momento óptimo de cosecha para el Kikuyo ( Cenchrus clandestinus ) de acuerdo al número de hojas por rebrote y la fertilización nitrogenada]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acero-Camelo]]></surname>
<given-names><![CDATA[Amanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pabón]]></surname>
<given-names><![CDATA[Martha L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fischer]]></surname>
<given-names><![CDATA[Gerhard]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carulla-Fornaguera]]></surname>
<given-names><![CDATA[Juan Evangelista]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Medicina Veterinaria y de Zootecnia ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>73</volume>
<numero>3</numero>
<fpage>9243</fpage>
<lpage>9253</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0304-28472020000309243&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0304-28472020000309243&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0304-28472020000309243&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT To determine the optimum harvest time of kikuyu grass (Cenchrus clandestinus (Hochst. ex Chiov.) Morrone), according to the number of leaves per tiller and nitrogen fertilization level, an experiment was carried out under greenhouse conditions using a 4×4 factorial design. The factors were the number of leaves per tiller (3, 4, 5, 6 leaves) and level of nitrogen (N) fertilization (0, 50, 100,150 kg of Nitrogen ha-1 year-1). Dry matter (DM) yield and nutritional quality were determined. Additionally, the independent effect of nitrogen fertilization on undisturbed height, tiller density, and the phyllochron were evaluated. When the number of leaves per tiller increased (3 to 6), the leaf yield and dead forage also increased (P&lt;0.05). The leaf-stem ratio (L:S) remained constant (P&gt;0.05) among the number of leaves. Green forage-dead forage ratio (GF:DF) decreased (P&lt;0.05) with a higher number of leaves per tiller. The concentration of crude protein (CP) decreased while the concentration of neutral detergent fiber (NDF) increased with an increment of the number of leaves per tiller (P&lt;0.05). Nitrogen fertilization increased the undisturbed height, the density of tillers, DM yield from leaves, stems and green forage, GF:DF, and CP (P&lt;0.05) while NDF decreased (P&lt;0.05). The phyllochron was higher without N fertilization. The effects of the number of leaves per tiller and N fertilization on the most variables measured were independent of each other. However, due to an increment in DM yield caused by N fertilization, the pasture can be defoliated with fewer leaves per tiller, increasing defoliation frequency and improving forage quality.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Con el objetivo de determinar el momento óptimo de cosecha del kikuyo (Cenchrus clandestinus (Hochst. ex Chiov.) Morrone) de acuerdo al número de hojas por rebrote y la fertilización nitrogenada, se realizó un experimento bajo invernadero con un diseño factorial 4×4. Los factores fueron el número de hojas por rebrote a la cosecha (3, 4, 5, 6 hojas) y el nivel de fertilización nitrogenada (0, 50, 100, 150 kg de N ha-1 año-1). Se determinó el rendimiento de materia seca (MS) y la calidad nutricional. Adicionalmente, se evaluó el efecto de la fertilización nitrogenada sobre la altura sin disturbar y el filocrono. Al aumentar el número de hojas por rebrote (3 a 6) aumentó (P&lt;0,05) el rendimiento de hojas y el material muerto y disminuyó la relación material verde-muerto (P&lt;0,05). La relación hoja-tallo fue constante entre número de hojas (P&gt;0,05). Hubo menores concentraciones de proteína cruda (PC) y mayores concentraciones de fibra en detergente neutro (FDN) (P&lt;0,05) a mayor número de hojas. La fertilización nitrogenada aumentó la altura sin disturbar, la densidad de estolones, la producción de MS, la relación forraje vivo-forraje muerto, la PC en hojas y disminuyó el FDN (P&lt;0,05). El filocrono fue mayor (P&lt;0,05) cuando no se fertilizó. Los efectos del número de hojas por rebrote y la fertilización nitrogenada fueron independientes para la mayoría de las variables. Sin embargo, debido al incremento en el rendimiento de MS por la fertilización N, la pastura puede ser defoliada con menor número de hojas por rebrote, aumentando la frecuencia de defoliación y mejorando la calidad del forraje.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Defoliation frequency]]></kwd>
<kwd lng="en"><![CDATA[Leaf stage]]></kwd>
<kwd lng="en"><![CDATA[Leaf to stem ratio]]></kwd>
<kwd lng="en"><![CDATA[Pennisetum clandestinum]]></kwd>
<kwd lng="es"><![CDATA[Frecuencia de defoliación]]></kwd>
<kwd lng="es"><![CDATA[Estado de hojas]]></kwd>
<kwd lng="es"><![CDATA[Relación hoja tallo]]></kwd>
<kwd lng="es"><![CDATA[Pennisetum clandestinum]]></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[Almeida]]></surname>
<given-names><![CDATA[ACS]]></given-names>
</name>
<name>
<surname><![CDATA[Mingoti]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Coelho]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Lourenço]]></surname>
<given-names><![CDATA[LF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simulação do crescimento do capim Tanzânia irrigado com base na unidade fototérmica, na adubação nitrogenada e na disponibilidade hídrica do período]]></article-title>
<source><![CDATA[Acta Scientiarum. Agronomy]]></source>
<year>2011</year>
<volume>33</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>215-22</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Pezzopane]]></surname>
<given-names><![CDATA[JRM]]></given-names>
</name>
<name>
<surname><![CDATA[de Araujo]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Pedreira]]></surname>
<given-names><![CDATA[BC]]></given-names>
</name>
<name>
<surname><![CDATA[Pedreira]]></surname>
<given-names><![CDATA[CGS]]></given-names>
</name>
<name>
<surname><![CDATA[Marin]]></surname>
<given-names><![CDATA[FR]]></given-names>
</name>
<name>
<surname><![CDATA[Lara]]></surname>
<given-names><![CDATA[MAS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simulating tropical forage growth and biomass accumulation: an overview of model development and application]]></article-title>
<source><![CDATA[Grass and Forage Science]]></source>
<year>2015</year>
<volume>71</volume>
<page-range>54-65</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Anwandter]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Balocchi]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Parga]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Canseco]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Teuber]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Abarzúa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lopetegui]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Demanet]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Capítulo 6: Métodos y control del pastoreo]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Teuber]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Balocchi]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Parga]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Manejo del Pastoreo]]></source>
<year>2007</year>
<page-range>91-105</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ariza-Nieto]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mayorga]]></surname>
<given-names><![CDATA[OL]]></given-names>
</name>
<name>
<surname><![CDATA[Mojica]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Parra]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Afanador-Tellez]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of LOCAL algorithm with near infrared spectroscopy in forage resources for grazing systems in Colombia]]></article-title>
<source><![CDATA[Journal of Near Infrared Spectroscopy]]></source>
<year>2018</year>
<volume>26</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>44-52</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bernal]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual de nutrición y fertilización de pastos]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Borrajo]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Tasa de elongación foliar en materiales de agropiro alargado: efecto de la fenología y el agregado de nitrógeno]]></source>
<year>2014</year>
<conf-name><![CDATA[ 37°Congreso AAPA2ndJoint Meeting ASAS-AAPAXXXIXCongreso de la Sociedad Chilena de Producción Animal]]></conf-name>
<conf-date>Octubre 20, 21 y 22 de 2014</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Canseco]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Abarzúa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Parga]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Teuber]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Balocchi]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Capítulo 4: Calidad nutritiva de las praderas]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Teuber]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Balocchi]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Parga]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Manejo del Pastoreo]]></source>
<year>2007</year>
<page-range>51-67</page-range><publisher-loc><![CDATA[Osorno ]]></publisher-loc>
<publisher-name><![CDATA[Imprenta América]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Coward]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la fertilización nitrogenada en la época lluviosa sobre productividad, composición química y digestibilidad in vitro del pasto kikuyo bajo pastoreo en el Cantón de Coronado]]></article-title>
<source><![CDATA[Revista Agronomía Costarricense]]></source>
<year>1983</year>
<volume>7</volume>
<numero>1/2</numero>
<issue>1/2</issue>
<page-range>9-15</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[HJ]]></given-names>
</name>
<name>
<surname><![CDATA[Carulla]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Pabón]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Valor nutricional del pasto kikuyo (Pennisetum clandestinum Hoechst Ex Chiov.) para la producción de leche en Colombia (Una revisión): I - Composición química y digestibilidad ruminal y posruminal]]></article-title>
<source><![CDATA[Livestock Research for Rural Development]]></source>
<year>2008</year>
<volume>20</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chapman]]></surname>
<given-names><![CDATA[DF]]></given-names>
</name>
<name>
<surname><![CDATA[Tharmaraj]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Agnusdei]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Hill]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Regrowth dynamics and grazing decision rules: further analysis for dairy production systems based on perennial ryegrass (Lolium perenne) pastures]]></article-title>
<source><![CDATA[Grass and Forage Science]]></source>
<year>2011</year>
<volume>67</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>77-95</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Da Silva]]></surname>
<given-names><![CDATA[TC]]></given-names>
</name>
<name>
<surname><![CDATA[Perazzo]]></surname>
<given-names><![CDATA[AF]]></given-names>
</name>
<name>
<surname><![CDATA[Macedo]]></surname>
<given-names><![CDATA[CHO]]></given-names>
</name>
<name>
<surname><![CDATA[Batista]]></surname>
<given-names><![CDATA[ED]]></given-names>
</name>
<name>
<surname><![CDATA[Pinho]]></surname>
<given-names><![CDATA[RMA]]></given-names>
</name>
<name>
<surname><![CDATA[Bezerra]]></surname>
<given-names><![CDATA[HFC]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morfogênese e estrutura de Brachiaria decumbens em resposta ao corte e adubação nitrogenada]]></article-title>
<source><![CDATA[Archivos de Zootecnia]]></source>
<year>2012</year>
<volume>61</volume>
<numero>233</numero>
<issue>233</issue>
<page-range>91-102</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dourado]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<name>
<surname><![CDATA[Zanine]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Toral]]></surname>
<given-names><![CDATA[FLB]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Abreu]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Structural and production characteristics of Piatã grass forage submitted to levels of nitrogen.]]></article-title>
<source><![CDATA[American Journal of Plant Sciences]]></source>
<year>2015</year>
<volume>6</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>693-701</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dugmore]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<source><![CDATA[The effect of nitrogen fertilization and stage of regrowth on the nutritive value of kikuyu in the midlands of KwaZulu-Natal]]></source>
<year>2011</year>
<page-range>20-34</page-range><publisher-loc><![CDATA[Pietermaritzburg, Southafrica ]]></publisher-loc>
<publisher-name><![CDATA[School of Agricultural Sciences and Agribusines, University of KwaZulu-Natal]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escobar]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Cardenas]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
<name>
<surname><![CDATA[Carulla]]></surname>
<given-names><![CDATA[FJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la altitud y la frecuencia de defoliación en la calidad y crecimiento del pasto Kikuyo (Cenchrus clandestinus)]]></article-title>
<source><![CDATA[Revista Facultad Nacional de Agronomía Medellín]]></source>
<year>2020</year>
<volume>73</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>9121-30</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Balocchi]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Keim]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la frecuencia de defoliación en el rendimiento y composición nutricional de Pennisetum clandestinum Hochst. ex Chiov]]></article-title>
<source><![CDATA[Agrosur]]></source>
<year>2016</year>
<volume>44</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>67-76</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fulkerson]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
<name>
<surname><![CDATA[Slack]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Havilah]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of defoliation interval and height on growth and herbage quality of kikuyu grass (Pennisetum clandestinum)]]></article-title>
<source><![CDATA[Tropical Grasslands]]></source>
<year>1999</year>
<volume>33</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>138-45</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fulkerson]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lowe]]></surname>
<given-names><![CDATA[KF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Grazing management]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Roginski]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Fuquay]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Fox]]></surname>
<given-names><![CDATA[PF]]></given-names>
</name>
</person-group>
<source><![CDATA[Encyclopedia of dairy science]]></source>
<year>2003</year>
<volume>2</volume>
<page-range>1142-9</page-range><publisher-loc><![CDATA[Waltham ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[Islam]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Clark]]></surname>
<given-names><![CDATA[CEF]]></given-names>
</name>
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Kikuyu-based pasture for dairy production: a review]]></article-title>
<source><![CDATA[Crop and Pasture Science]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gastal]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Lemaire]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Durand]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Louarn]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Sadras]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Calderini]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Chapter 8. Quantifying crop responses to nitrogen and avenues to improve nitrogen-use efficiency]]></source>
<year>2015</year>
<page-range>161-206</page-range><publisher-name><![CDATA[Elsevier Inc]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Herrero]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Fawcett]]></surname>
<given-names><![CDATA[RH]]></given-names>
</name>
<name>
<surname><![CDATA[Dent]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modelling the growth and utilisation of kikuyu grass (Pennisetum clandestinum) under grazing. 2. Model validation and analysis of management practices]]></article-title>
<source><![CDATA[Agricultural Systems]]></source>
<year>2000</year>
<volume>65</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>99-111</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<collab>Instituto de Hidrología, Meteorología y Estudios Ambientales</collab>
<source><![CDATA[El Macizo Colombiano y su Área de InfIuencia]]></source>
<year>1999</year>
<page-range>83-4</page-range><publisher-loc><![CDATA[Bogotá ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ivory]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Whiteman]]></surname>
<given-names><![CDATA[PC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of temperature on growth of five subtropical grasses. II. Effect of low night temperature]]></article-title>
<source><![CDATA[Australian Journal of Plant Physiology]]></source>
<year>1978</year>
<volume>5</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>149-57</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lemaire]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Da Silva]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[Agnusdei]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Wade]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Hodgson]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Interactions between leaf lifespan and defoliation frequency in temperate and tropical pastures: a review]]></article-title>
<source><![CDATA[Grass and Forage Science]]></source>
<year>2009</year>
<volume>64</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>341-53</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[BR]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[RN]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Diseño de experimentos en ciencias agropecuarias y biológicas con SAS, SPSS, R y STATISTIX]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Bogotá ]]></publisher-loc>
<publisher-name><![CDATA[Fondo Nacional Universitario]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mejía-Taborda]]></surname>
<given-names><![CDATA[AC]]></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[Effect of different doses of compound fertilizer on the quality of kikuyu grass (Pennisetum cladestinum Hochst. Ex Chiov.)]]></article-title>
<source><![CDATA[Pastos 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="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mila]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Corredor]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación de la composición botánica de una pradera de Kikuyo (Pennisetum clandestinum) recuperada mediante escarificación mecánica y fertilización con compost.]]></article-title>
<source><![CDATA[Revista Corpoica]]></source>
<year>2004</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>70-5</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="confpro">
<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[WJ]]></given-names>
</name>
</person-group>
<source><![CDATA[Establishment of an optimal grazing time of kikuyu pastures for dairy cows]]></source>
<year>1996</year>
<conf-name><![CDATA[ 8thAustralian Agronomy Conference]]></conf-name>
<conf-date>1996 January 30 - February 2</conf-date>
<conf-loc>Toowoomba, Queensland </conf-loc>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wilhelm]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[McMaster]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phyllochron in grass development and growth]]></article-title>
<source><![CDATA[Symposium on the Phyllochron. Crop Science]]></source>
<year>1995</year>
<volume>35</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-3</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yutaro]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Osamu]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Structural and physiological responses of the C4 grass Sorghum bicolor to nitrogen limitation]]></article-title>
<source><![CDATA[Plant Production Science]]></source>
<year>2018</year>
<volume>21</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>39-50</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
