<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342016001002807</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de la poda en plantaciones de cacao en el estado de Tabasco, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of pruning on cocoa plantations in the state of Tabasco, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Juárez]]></surname>
<given-names><![CDATA[Sergio Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sol-Sánchez]]></surname>
<given-names><![CDATA[Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Córdova Ávalos]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallardo López]]></surname>
<given-names><![CDATA[Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Veracruz Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>spe14</numero>
<fpage>2807</fpage>
<lpage>2815</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016001002807&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016001002807&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016001002807&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de esta investigación fue evaluar la productividad del agroecosistema cacaotal como respuesta a la poda de copa en el predio San Francisco ubicado en el municipio de Cárdenas, Tabasco. En el sitio de estudio se contabilizó el total de árboles de cacao: se registraron 125 individuos; los cuales 65 árboles pertenecieron al tratamiento 1: cacao con 50% de sombra y 60 individuos al tratamiento 2: cacao con 80% de sombra. Las variables que se midieron fueron el diámetro a la altura del pecho (DAP1.3), altura total y se hizo el conteo de las yemas terminales a cada árbol de cacao y se registró la cantidad de frutos por tratamiento. La cantidad de yemas terminales fue mayor para el tratamiento 1 con 731 yemas, mientras que en el tratamiento 2 fue de 574. Las yemas terminales se encontraron más cerca del suelo en el tratamiento A que en el tratamiento B, aunado a esto, el conteo de frutos por árbol fue mayor para el tratamiento A. Haciendo el análisis estadístico resulto que el tratamiento A es mejor para aumentar la producción. Se concluye que la poda de copa es una alternativa para aumentar la productividad del cacao, se requiere pocos gastos y buena asesoría para llevar a cabo esta técnica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of this research was to evaluate the productivity of cacao agroecosystem in response to crown pruning in the field San Francisco located in the municipality of Cardenas, Tabasco. In the study site counted total cocoa trees: recording 125 individuals; where 65 trees belonged to treatment 1: cocoa with 50% shade and 60 individuals to treatment 2: cocoa with 80% shade. The variables measured were diameter at breast height (DAP1.3), total height and counted each terminal bud of cacao tree and recorded the amount of fruits per treatment. The amount of terminal buds was higher for treatment 1 with 731 buds while in treatment 2 were 574. Terminal buds were closer to the ground in treatment A than in the treatment B, coupled to this, the number of fruits per tree was higher for treatment A. Performing the statistical analysis resulted that treatment A is better to increase production. It was concluded that crown pruning is an alternative to increase cocoa productivity; it only requires a few expenses and good assessment to perform this technique.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cacaotal]]></kwd>
<kwd lng="es"><![CDATA[diámetro]]></kwd>
<kwd lng="es"><![CDATA[productividad]]></kwd>
<kwd lng="es"><![CDATA[yemas]]></kwd>
<kwd lng="en"><![CDATA[buds]]></kwd>
<kwd lng="en"><![CDATA[cacao plantation]]></kwd>
<kwd lng="en"><![CDATA[diameter]]></kwd>
<kwd lng="en"><![CDATA[productivity]]></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[A. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Valle]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecophysiology of the cocoa tree]]></article-title>
<source><![CDATA[Brazilian Journal of Plant Physiology]]></source>
<year>2007</year>
<volume>19</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>425-48</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Altieri]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nicholls]]></surname>
<given-names><![CDATA[C. I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agroecología: Teoría y Práctica para una Agricultura Sustentable]]></source>
<year>2000</year>
<page-range>1-275</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Amores]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La moniliasis del cacao]]></article-title>
<source><![CDATA[INIAP]]></source>
<year>2013</year>
<volume>8</volume>
<page-range>5-16</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ampofo]]></surname>
<given-names><![CDATA[S. T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spacing/cultivar/proning experiment, D1 Afosu, Report for the period 1982-/83 - 1984/85]]></source>
<year>1986</year>
<page-range>26-9</page-range><publisher-loc><![CDATA[Tafo (Ghana) ]]></publisher-loc>
<publisher-name><![CDATA[Cocoa Research Institute]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[S. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Olórtegui]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Salas]]></surname>
<given-names><![CDATA[G. V. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Lecciones aprendidas sobre políticas de reconversión y modernización de la agricultura en América Latina]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Lima, Perú ]]></publisher-loc>
<publisher-name><![CDATA[IICA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Gimeno]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Mayor]]></surname>
<given-names><![CDATA[A. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Gallego]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El tratamiento de la madera quemada tras los incendios forestales]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Vallejo]]></surname>
<given-names><![CDATA[V. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Alloza]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Avances en el estudio de la gestión del monte Mediterráneo]]></source>
<year>2004</year>
<page-range>547-70</page-range><publisher-loc><![CDATA[Valencia, España ]]></publisher-loc>
<publisher-name><![CDATA[Fundación CEAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bedker]]></surname>
<given-names><![CDATA[J. P.]]></given-names>
</name>
<name>
<surname><![CDATA[O&#8217;Brien]]></surname>
<given-names><![CDATA[G. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mielke]]></surname>
<given-names><![CDATA[E. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cómo podar árboles. United States Department of Agriculture]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Estado Unidos de América ]]></publisher-loc>
<publisher-name><![CDATA[Foreste Service. Northeastern Area State &amp; Private Forestry]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cabanilla]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cacao: Rehabilitación, renovación, diversificación o siembra nueva]]></source>
<year>1978</year>
<page-range>158-63</page-range><publisher-loc><![CDATA[Turrialba, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Interamericano de Ciencias Agricolas de la OEA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Clay]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[World agriculture and the environment]]></source>
<year>2004</year>
<publisher-loc><![CDATA[1718 Connecticut Avenue, NW, Suite 300, Washington, DC ]]></publisher-loc>
<publisher-name><![CDATA[Island Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<collab>CONAFOR (Comisión Nacional Forestal)</collab>
<source><![CDATA[Programa estratégico forestal para México 2025]]></source>
<year>2001</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Comisión Nacional Forestal]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corben]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kather]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cocoa guidebook and training course]]></source>
<year>1987</year>
<page-range>37-8</page-range><publisher-loc><![CDATA[Ghana.Tafo ]]></publisher-loc>
<publisher-name><![CDATA[Cocoa Research Institute]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Córdova]]></surname>
<given-names><![CDATA[A. V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Organización campesina en la reconversión del cacao tradicional a orgánico en Tabasco, México]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Aragón]]></surname>
<given-names><![CDATA[G. A.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[O. J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Tapia]]></surname>
<given-names><![CDATA[R. A. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agroecológico de Sistemas]]></source>
<year>2005</year>
<publisher-loc><![CDATA[Puebla ]]></publisher-loc>
<publisher-name><![CDATA[Dirección de Fomento Editorial, Benemérita Universidad Autónoma de Puebla]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corven]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mora.]]></surname>
<given-names><![CDATA[W. Phillipa]]></given-names>
</name>
</person-group>
<source><![CDATA[Asociación de cultivos con cacao: aspectos económicos]]></source>
<year>1991</year>
<conf-name><![CDATA[ seminario Regional &#8220;Sombras y cultivos asociados con cacao&#8221;]]></conf-name>
<conf-loc>Turrialba, Costa Rica </conf-loc>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cuatrecasas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cacao and its allies: A taxonomic revision of the genus Theobroma]]></article-title>
<source><![CDATA[Contr. U.S. Natl. Herb.]]></source>
<year>1964</year>
<volume>35</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>379-614</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Donald]]></surname>
<given-names><![CDATA[P. F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biodiversity impacts of some agricultural commodity production systems]]></article-title>
<source><![CDATA[Conserv Biol.]]></source>
<year>2004</year>
<volume>18</volume>
<page-range>17-37</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dubois]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Producción agrícola y conservación de la biodiversidad: ¿dos actividades compatibles? El caso de los sistemas agroforestales con cacao en Talamanca - Costa Rica]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Francia ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Lyon]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Enete]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Amusa]]></surname>
<given-names><![CDATA[T.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contribution of Men and Women to Farming Decisions in Cocoa Based Agroforestry Households of Ekiti State, Nigeria]]></article-title>
<source><![CDATA[Tropicultura]]></source>
<year>2010</year>
<volume>28</volume>
<page-range>77-83</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Enríquez]]></surname>
<given-names><![CDATA[G. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Poda del cacao. Manual del cacao para agricultores]]></source>
<year>1987</year>
<page-range>43-8</page-range><publisher-loc><![CDATA[San José, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[UNED]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Enríquez]]></surname>
<given-names><![CDATA[G. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cacao orgánico: Guía para productores ecuatorianos]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Quito, Ecuador ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional Autónomo de Investigaciones Agropecuarias (INIAP)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<collab>FAO</collab>
<source><![CDATA[Inventario forestal nacional. Manual de campo modelo]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Guatemala ]]></publisher-loc>
<publisher-name><![CDATA[Programa de evaluación de los recursos forestales (ERF)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<collab>FAOSTAT</collab>
<source><![CDATA[Organización de las Naciones Unidas para la Alimentación y la Agricultura]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="confpro">
<collab>Foro Nacional Cacaotero</collab>
<source><![CDATA[Programa estratégico de investigación y transferencia de tecnología para la cadena agroindustrial cacao en México]]></source>
<year>2003</year>
<conf-name><![CDATA[ Foro Nacional Cacaotero]]></conf-name>
<conf-date>mayo 2003</conf-date>
<conf-loc>Villahermosa, Tabasco </conf-loc>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Franzen]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Borgerhoff]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecological, economic and social perspectives on cocoa production worldwide]]></article-title>
<source><![CDATA[Biodiversity Conservation]]></source>
<year>2007</year>
<volume>16</volume>
<page-range>3835-49</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<collab>Fundación Maquita Cushunchic</collab>
<source><![CDATA[Podas en el cacao]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Quito, Ecuador ]]></publisher-loc>
<publisher-name><![CDATA[Barrio Turumbaba]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Modificaciones al sistema de clasificación climática de Köeppen]]></source>
<year>1973</year>
<numero>6</numero>
<issue>6</issue>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Geografía, UNAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Azócar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Áreas potenciales para el desarrollo del cultivo en el cacao Estado Mérida]]></article-title>
<source><![CDATA[Agronomía Tropical]]></source>
<year></year>
<volume>52</volume>
<numero>2</numero>
<issue>2</issue>
<publisher-loc><![CDATA[Venezuela ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gurr]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Wratten]]></surname>
<given-names><![CDATA[S. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Luna]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multi-function agricultural biodiversity: pest management and other benefits]]></article-title>
<source><![CDATA[Basic and Applied Ecology]]></source>
<year>2003</year>
<volume>4</volume>
<page-range>107-16</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="">
<collab>INEGI</collab>
<source><![CDATA[Prontuario de información geográfica municipal de los Estado Unidos Mexicanos. Cárdenas, Tabasco]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lobão]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Setenta]]></surname>
<given-names><![CDATA[W. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lobão]]></surname>
<given-names><![CDATA[E. S. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Curvelo]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Valle]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cacau cabruca: sistema agrossilvicultural tropical]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Valle]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ciência, Tecnologia e Manejo do Cacaueiro]]></source>
<year>2007</year>
<page-range>290-323</page-range><publisher-loc><![CDATA[Ilhéus ]]></publisher-loc>
<publisher-name><![CDATA[Gráfica e Editora Vital Ltda]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mejía]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tecnología para el mejoramiento del sistema de producción de cacao. Aspectos ecofisiologicos relacionados con el cultivo del cacao]]></source>
<year>2006</year>
<publisher-name><![CDATA[Corpoica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Motamayor]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Risterucci]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez]]></surname>
<given-names><![CDATA[P. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lanaud]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cacao domestication I: the origin of the cacao cultivated by the Mayas]]></article-title>
<source><![CDATA[Heredity]]></source>
<year>2002</year>
<volume>89</volume>
<page-range>380-6</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<collab>OIEDRUS-Tabasco</collab>
<source><![CDATA[Producción del cacao en el estado de Tabasco]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Palencia]]></surname>
<given-names><![CDATA[C. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Mejía]]></surname>
<given-names><![CDATA[F. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[La Poda del árbol de Cacao. En Tecnología para el Mejoramiento del Sistema de Producción de cacao]]></source>
<year>2000</year>
<publisher-loc><![CDATA[Bucaramanga ]]></publisher-loc>
<publisher-name><![CDATA[Corpoica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pastorelly]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Vera]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pilamunga]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Izquierdo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Mejía]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Posligua]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Zambrano]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual del cultivo del cacao]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Guayaquil. Ecuador ]]></publisher-loc>
<publisher-name><![CDATA[Asociación Nacional de Exportadores de Cacao (ANECACAO)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Piasentin]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Klare-Repnik]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biodiversity conservation and cocoa agroforest]]></article-title>
<source><![CDATA[Bioversity International]]></source>
<year>2004</year>
<volume>5</volume>
<page-range>7-8</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pike]]></surname>
<given-names><![CDATA[E. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[The physiology of cacao. I. General observations of growth, flowering and fruiting]]></source>
<year>1933</year>
<page-range>37-40</page-range><publisher-loc><![CDATA[Trinidad ]]></publisher-loc>
<publisher-name><![CDATA[The Imperial Collega of Tropical Agriculture]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quiroz]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Amores]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rehabilitación de plantaciones tradicionales de cacao en Ecuador]]></article-title>
<source><![CDATA[Manejo integrado de plagas]]></source>
<year>2002</year>
<numero>63</numero>
<issue>63</issue>
<page-range>63-80</page-range><publisher-loc><![CDATA[Costa Rica ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quiroz]]></surname>
<given-names><![CDATA[V. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mestanza]]></surname>
<given-names><![CDATA[V. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Programa Nacional de Cacao. La poda de cacao. Ministerio de Agricultura, Ganadería, Acuacultura y Pesca]]></source>
<year>2010</year>
<page-range>2</page-range><publisher-loc><![CDATA[Ecuador ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[D. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sistema agroindustrial del cacao en México y su comportamiento en el mercado]]></source>
<year>1997</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma Chapingo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivas]]></surname>
<given-names><![CDATA[T. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación de los recursos forestales]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Texcoco, Estado de México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma Chapingo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="">
<collab>SAGARPA</collab>
<source><![CDATA[Retos y oportunidades del sistema agroalimentario de México en los próximos 20 años]]></source>
<year>2013</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sala]]></surname>
<given-names><![CDATA[O. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Chapin]]></surname>
<given-names><![CDATA[I. F. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Armesto]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Berlow]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bloomfield]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Dirzo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Huber Sanwald]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Huenneke]]></surname>
<given-names><![CDATA[L. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[R. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Kinzig]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Leemans]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lodge]]></surname>
<given-names><![CDATA[D. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Mooney]]></surname>
<given-names><![CDATA[H. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Oesterheld]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Leroy-Poff]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Walker]]></surname>
<given-names><![CDATA[B. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Walker]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Wall]]></surname>
<given-names><![CDATA[D. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global biodiversity scenarios for the year 2100]]></article-title>
<source><![CDATA[Science]]></source>
<year>2000</year>
<volume>287</volume>
<numero>5459</numero>
<issue>5459</issue>
<page-range>1770-4</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[E. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Parra]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Rondón]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Poda del árbol de cacao. Ciencia y producción vegetal]]></source>
<year>2007</year>
<publisher-loc><![CDATA[La Asunción, Venezuela ]]></publisher-loc>
<publisher-name><![CDATA[Centro de Investigaciones Agrícolas del Estado de Táchira]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="book">
<source><![CDATA[SAS/STAT®]]></source>
<year>2013</year>
<publisher-name><![CDATA[SAS Institute Inc]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schultz]]></surname>
<given-names><![CDATA[T. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Transformando la Agricultura Tradicional]]></source>
<year>1964</year>
<page-range>1-17</page-range><publisher-loc><![CDATA[New Haven ]]></publisher-loc>
<publisher-name><![CDATA[The American Economic Review]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="">
<collab>SIAP</collab>
<source><![CDATA[Datos de superficie plantada de cacao]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sodhi]]></surname>
<given-names><![CDATA[N. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Liow]]></surname>
<given-names><![CDATA[L. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Bazzaz]]></surname>
<given-names><![CDATA[F.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Avian extinctions from tropical and subtropical forests]]></article-title>
<source><![CDATA[Annual Review of Ecology and Systematics]]></source>
<year>2004</year>
<volume>35</volume>
<page-range>323-45</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sperber]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Valverde]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[de Siqueira]]></surname>
<given-names><![CDATA[F. N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tree species richness and density affect parasitoid diversity in cacao agroforestry]]></article-title>
<source><![CDATA[Basic and Applied Ecology]]></source>
<year>2004</year>
<volume>5</volume>
<page-range>241-51</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Steel]]></surname>
<given-names><![CDATA[G. D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Torrie]]></surname>
<given-names><![CDATA[H. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Dickey]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Principles and procedures of statistics a biometrical approach]]></source>
<year>1997</year>
<edition>3</edition>
<publisher-loc><![CDATA[Michigan, USA ]]></publisher-loc>
<publisher-name><![CDATA[McGraw Hill Companies, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tilman]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Peter]]></surname>
<given-names><![CDATA[B. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Knops]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Wedin]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Mielke]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Lehman]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diversity and Productivity in a Long-Term Grassland Experiment]]></article-title>
<source><![CDATA[Science]]></source>
<year>2001</year>
<volume>294</volume>
<page-range>843</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tscharntke]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Clough]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Bhagwat]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Buchori]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Faust]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Hertel]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Hölscher]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Juhrbandt]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kessler]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Perfecto]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Scherber]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Schroth]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Veldkamp]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Wanger]]></surname>
<given-names><![CDATA[T. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multifunctional shade-tree management in tropical agroforestry landscapes - a review]]></article-title>
<source><![CDATA[J. Appl. Ecol.]]></source>
<year>2011</year>
<volume>48</volume>
<page-range>619-29</page-range></nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valdés]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[El Cultivo del Cacao]]></source>
<year>1998</year>
<publisher-loc><![CDATA[Turrialba, Costa Rica, CATIE ]]></publisher-loc>
<publisher-name><![CDATA[Departamento de Producción Vegetal]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vera]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Poda]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Suárez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual del cacao]]></source>
<year>1993</year>
<edition>Segunda</edition>
<page-range>6569</page-range><publisher-loc><![CDATA[Quito-Ecuador ]]></publisher-loc>
<publisher-name><![CDATA[INIAP]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vérbeke]]></surname>
<given-names><![CDATA[L. P. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Coillie]]></surname>
<given-names><![CDATA[F. M. B.]]></given-names>
</name>
<name>
<surname><![CDATA[De Wulf]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Object based forest stand density estimation from very high resolution optical imagery using wavelet-based texture measures]]></source>
<year>2006</year>
<conf-name><![CDATA[ First International Conference on Object based Image Analysis (OBIA 2006)]]></conf-name>
<conf-loc>Austria </conf-loc>
</nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zarco]]></surname>
<given-names><![CDATA[E. V. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Valdez]]></surname>
<given-names><![CDATA[H. J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ángeles]]></surname>
<given-names><![CDATA[P. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[A. O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estructura y diversidad de la vegetación arbórea del parque estatal Agua Blanca, Macuspana, Tabasco]]></article-title>
<source><![CDATA[Universidad y Ciencia]]></source>
<year>2010</year>
<volume>26</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-17</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
