<?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>1659-1321</journal-id>
<journal-title><![CDATA[Agronomía Mesoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Agron. Mesoam]]></abbrev-journal-title>
<issn>1659-1321</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-13212017000300619</article-id>
<article-id pub-id-type="doi">10.15517/ma.v28i3.25861</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de dos abonos orgánicos en las cadenas tróficas del suelo cultivado con mora]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of two organic fertilizers on food webs of soil cultivated with blackberry]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco-Aceves]]></surname>
<given-names><![CDATA[Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calvo-Araya]]></surname>
<given-names><![CDATA[José Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gamboa-Tabares]]></surname>
<given-names><![CDATA[Jean Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peraza-Padilla]]></surname>
<given-names><![CDATA[Wálter]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varela-Rodríguez]]></surname>
<given-names><![CDATA[Orlado]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco-Rodríguez]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Instituto Regional de Estudios en Sustancias Tóxicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>CR</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Escuela de Ciencias Agrarias Laboratorio de Fitopatología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>CR</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de la Amazonía Laboratorio de Entomología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>CO</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Escuela de Ciencias Agrarias Laboratorio de Nematología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>CR</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional Escuela de Ciencias Agrarias Laboratorio de Recursos Fitogenéticos]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>CR</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Nacional Escuela de Ciencias Agrarias Laboratorio de Genética Vegetal y Propagación de Plantas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>CR</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>28</volume>
<numero>3</numero>
<fpage>619</fpage>
<lpage>628</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-13212017000300619&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-13212017000300619&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-13212017000300619&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La adición de abonos orgánicos es una práctica que mejora las propiedades biológicas del suelo; sin embargo, los efectos de estos sobre las cadenas tróficas (CT) del suelo han sido poco estudiados. El objetivo del trabajo fue determinar el efecto de dos abonos orgánicos comerciales sobre la estructura de las CT asociadas a raíces de plantas de mora ( Rubus adenotrichos ). La investigación se realizó en dos plantaciones de mora en San Martín de León Cortés y Buena Vista de Pérez Zeledón, San José, Costa Rica, durante agosto-diciembre del 2010. En ambas plantaciones las plantas fueron fertilizadas con compost o lombricompost. Se muestreó el suelo que circundaba las raíces de las plantas para cuantificar los grupos de organismos de las CT, mediante las siguientes técnicas: bacterias y hongos filamentosos mediante cuenta directa en placa, protozoarios mediante el número más probable, esporas de hongos micorrizógenos y nematodos mediante flotación-centrifugación, microartrópodos, macroartrópodos y lombrices fueron cuantificados directamente en el suelo. Los resultados fueron analizados mediante análisis de escalamiento multidimensional. La adición de abonos orgánicos causó un efecto diferencial sobre la estructura de las CT (con respecto a suelos sin fertilizar). Dependiendo del tipo de abono, este efecto varió en cada una de las fincas. Los grupos de organismos mayormente afectados fueron actinomicetes y protozoarios, lo cual implica que la estructura de las CT y como consecuencia, las funciones del suelo no fueron afectadas por la adición de abonos orgánicos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Soil fertilization with organic fertilizers comprises a practice that improves the soil biological properties; however, the effect of these on the soil food web (SFW) has been scarcely studied. The aim of this study was to determine the effect of two commercial organic fertilizers on the structure of the SFW associated with roots of blackberry plants ( Rubus adenotrichos ). The research was conducted in two blackberry plantations located one in San Martín de León Cortés, and the other one in Buena Vista de Pérez Zeledón in San José, Costa Rica, from August to December, 2010. In the two plantations, plants were fertilized with compost or vermicompost. The roots of blackberry plants surrounding soil were sampled in order to quantify groups of the SFW through the following techniques: bacteria and filamentous fungi by plate count, protozoa by the most probable number, spores from arbuscular mycorrhizal fungi and nematodes by flotation-centrifugation, microarthropods, macroarthropods, and worms were directly counted in soil samples. The dataset was analyzed by multidimensional scaling analysis. The addition of organic fertilizers to soil caused a differential effect on the structure of the SFW (as compared with non-fertilized soils). The effect differed in soil from each of the experimental plantations according to fertilizer type. The groups of organisms mainly affected were actinomycetes and protozoa, which implies that the structure of SFW and consequently, the function of soil were not affected by the addition of organic fertilizers.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[agricultura orgánica]]></kwd>
<kwd lng="es"><![CDATA[biología del suelo]]></kwd>
<kwd lng="es"><![CDATA[compost]]></kwd>
<kwd lng="es"><![CDATA[lombricompost]]></kwd>
<kwd lng="es"><![CDATA[Rubus adenotrichos]]></kwd>
<kwd lng="en"><![CDATA[organic agriculture]]></kwd>
<kwd lng="en"><![CDATA[soil biology]]></kwd>
<kwd lng="en"><![CDATA[compost]]></kwd>
<kwd lng="en"><![CDATA[vermicompost]]></kwd>
<kwd lng="en"><![CDATA[Rubus adenotrichos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alef]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Alef]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Methods in applied soil microbiology and biochemistry]]></source>
<year>1995</year>
<page-range>123-91</page-range><publisher-loc><![CDATA[London, GBR ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The ecological role of biodiversity in agroecosystems]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Altieri]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agric. Ecosyst. Environ.]]></source>
<year>1999</year>
<volume>74</volume>
<page-range>19-31</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bagyaraj]]></surname>
<given-names><![CDATA[J.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Stürmer]]></surname>
<given-names><![CDATA[S.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A handbook of tropical soil biology]]></source>
<year>2008</year>
<page-range>131-44</page-range><publisher-loc><![CDATA[London, GBR. ]]></publisher-loc>
<publisher-name><![CDATA[Earthscan]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bignell]]></surname>
<given-names><![CDATA[D.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Constantino]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Csuzdi]]></surname>
<given-names><![CDATA[A.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Konaté]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Louzada]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Susilo]]></surname>
<given-names><![CDATA[F.X.]]></given-names>
</name>
<name>
<surname><![CDATA[Tondoh]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Zanetti]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A handbook of tropical soil biology]]></source>
<year>2008</year>
<page-range>43-76</page-range><publisher-loc><![CDATA[London, GBR ]]></publisher-loc>
<publisher-name><![CDATA[Earthscan]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cares]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[S.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A handbook of tropical soil biology]]></source>
<year>2008</year>
<page-range>97-105</page-range><publisher-loc><![CDATA[London, GBR ]]></publisher-loc>
<publisher-name><![CDATA[Earthscan]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Clarke]]></surname>
<given-names><![CDATA[K.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Gorley]]></surname>
<given-names><![CDATA[R.N.]]></given-names>
</name>
</person-group>
<source><![CDATA[PRIMER v6 User manual/tutorial]]></source>
<year>2006</year>
<publisher-loc><![CDATA[GBR ]]></publisher-loc>
<publisher-name><![CDATA[PRIMER-E Ltd]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coleman]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Crossley]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hendrix]]></surname>
<given-names><![CDATA[P.F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fundamentals of soil ecology]]></source>
<year>2004</year>
<edition>2</edition>
<publisher-loc><![CDATA[Amsterdam, HOL ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Condron]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Stark]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[O&#8217;Callaghan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Clinton]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Dixon]]></surname>
<given-names><![CDATA[G.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil microbiology and sustainable crop production]]></source>
<year>2010</year>
<page-range>81-118</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Soil food web properties explain ecosystem services across European land use systems]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[De-Vries]]></surname>
<given-names><![CDATA[F.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Thébault]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Liiri]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Birkhofer]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Tsiafouli]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bjørnlund]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bracht]]></surname>
<given-names><![CDATA[J.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Brady]]></surname>
<given-names><![CDATA[M.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Christensen]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[de-Ruiter]]></surname>
<given-names><![CDATA[P.C.]]></given-names>
</name>
<name>
<surname><![CDATA[d&#8217;Hertefeldt]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Frouz]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hemerikc]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gera]]></surname>
<given-names><![CDATA[H.W.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Hotes]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Mortimer]]></surname>
<given-names><![CDATA[S.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Setälä]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sgardelis]]></surname>
<given-names><![CDATA[S.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Uteseny]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[van-der-Putten]]></surname>
<given-names><![CDATA[W.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Wolters]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Bardgett]]></surname>
<given-names><![CDATA[R.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[PNAS]]></source>
<year>2013</year>
<volume>110</volume>
<page-range>14296-301</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giri]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Giang]]></surname>
<given-names><![CDATA[P.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kumari]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Prasad]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Varma]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Buscot]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Microorganisms in soils: Roles in genesis and functions]]></source>
<year>2005</year>
<page-range>19-55</page-range><publisher-loc><![CDATA[Berlin, GER ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gliessman]]></surname>
<given-names><![CDATA[S.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agroecología: procesos ecológicos en agricultura sostenible]]></source>
<year>2002</year>
<publisher-loc><![CDATA[CRC ]]></publisher-loc>
<publisher-name><![CDATA[CATIE]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huising]]></surname>
<given-names><![CDATA[E.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Coe]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cares]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Louzada]]></surname>
<given-names><![CDATA[J.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Zanetti]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Susilo]]></surname>
<given-names><![CDATA[F.X.]]></given-names>
</name>
<name>
<surname><![CDATA[Konaté]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[van-Noordwik]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[S.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A handbook of tropical soil biology]]></source>
<year>2008</year>
<page-range>17-41</page-range><publisher-loc><![CDATA[London, GBR ]]></publisher-loc>
<publisher-name><![CDATA[Earthscan]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Controls over soil microbial biomass responses to carbon amendments in agricultural systems: A meta-analysis]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kallenbac]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Grandy]]></surname>
<given-names><![CDATA[A.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agric. Ecosyst. Environ.]]></source>
<year>2011</year>
<volume>144</volume>
<page-range>241-52</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Karyanto]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rahmadi]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Franklin]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Susilo]]></surname>
<given-names><![CDATA[F.X.]]></given-names>
</name>
<name>
<surname><![CDATA[Wellington-de-Morais]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A handbook of tropical soil biology]]></source>
<year>2008</year>
<page-range>85-94</page-range><publisher-loc><![CDATA[London. GBR ]]></publisher-loc>
<publisher-name><![CDATA[Earthscan]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Temporal variation in surface and subsoil abundance and function of the soil microbial community in an arable soil]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kramer]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Marhan]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Haslwimmer]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruess]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Kandeler]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil Biol. Biochem.]]></source>
<year>2013</year>
<volume>61</volume>
<page-range>76-85</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lavelle]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Spain]]></surname>
<given-names><![CDATA[A.V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil ecology]]></source>
<year>2003</year>
<publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Kluwer Academic Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Organic amendments with reduced chemical fertilizer promote soil microbial development and nutrient availability in a subtropical paddy field: The influence of quantity, type and application time of organic amendments]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiao]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Appl. Soil Ecol.]]></source>
<year>2009</year>
<volume>42</volume>
<page-range>166-75</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meléndez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Abonos orgánicos: principios, aplicaciones e impacto en la agricultura]]></source>
<year>2003</year>
<publisher-loc><![CDATA[San José, CRC. ]]></publisher-loc>
<publisher-name><![CDATA[UCR, CIA, y CATIE]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Impact of agricultural practices on soil food web structure: Theory and application]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moore]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agric. Ecosyst. Environ.]]></source>
<year>1994</year>
<volume>51</volume>
<page-range>239-47</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Resource compartmentation and the stability of real food webs]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moore]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Hunt]]></surname>
<given-names><![CDATA[H.W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nature]]></source>
<year>1988</year>
<volume>333</volume>
<page-range>261-3</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Noble]]></surname>
<given-names><![CDATA[A.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruaysoongner]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Dixon]]></surname>
<given-names><![CDATA[G.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil microbiology and sustainable crop production]]></source>
<year>2010</year>
<page-range>1-25</page-range><publisher-loc><![CDATA[Springer, USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orozco]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Informe de proyecto sobre uso de abonos orgánicos en el cultivo de la mora]]></source>
<year>2009</year>
<publisher-loc><![CDATA[CRC ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Efecto de abonos orgánicos en las propiedades químicas del suelo y el rendimiento de la mora (Rubus adenotrichus) en dos zonas agroecológicas de Costa Rica]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orozco]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tecnología en Marcha]]></source>
<year>2012</year>
<volume>25</volume>
<page-range>16-31</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Atlas de Costa Rica [CD]]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Cartago, CRC ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effect of organic, conventional and mixed cultivation practices on soil microbial community structure and nematode abundance in a cultivated onion crop.]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reilly]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Cullen]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Lola-Luz]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Stone]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Valverde]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gaffney]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Brunton]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Griffiths]]></surname>
<given-names><![CDATA[B.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Sci. Food Agric.]]></source>
<year>2013</year>
<volume>93</volume>
<page-range>3700-9</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roveda]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cabra]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Roveda]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Uso de microorganismos con potencial como biofertilizantes en el cultivo de mor]]></source>
<year>2008</year>
<page-range>44-51</page-range><publisher-loc><![CDATA[COL ]]></publisher-loc>
<publisher-name><![CDATA[Corporación Colombiana de Investigación Agropecuaria]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scheu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruess]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonkowski]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Buscot]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Microorganisms in soils: roles in genesis and functions]]></source>
<year>2005</year>
<page-range>253-78</page-range><publisher-loc><![CDATA[GER ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Rengel]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Marschner]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nutrient cycling in terrestrial ecosystems]]></source>
<year>2007</year>
<page-range>183-206</page-range><publisher-loc><![CDATA[Berlin, GER ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A concept of food-web structure in organic arable farming systems]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smeding]]></surname>
<given-names><![CDATA[F.W.]]></given-names>
</name>
<name>
<surname><![CDATA[de-Snoo]]></surname>
<given-names><![CDATA[G.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Landsc. Urban Plan.]]></source>
<year>2003</year>
<volume>65</volume>
<page-range>219-36</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<collab>Soil Taxonomy</collab>
<source><![CDATA[A basic system of soil classification for making and interpreting soil surveys]]></source>
<year>1999</year>
<publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[United States Department of Agriculture]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soto]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Meléndez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Abonos orgánicos: principios, características e impacto en la agricultura]]></source>
<year>2003</year>
<page-range>20-49</page-range><publisher-loc><![CDATA[CRC ]]></publisher-loc>
<publisher-name><![CDATA[CATIE, UCR]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Nematode communities and macronutrients in composts and compost-amended soils as affected by feedstock composition]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Steel]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Vandecasteele]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Willekens]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Sabbe]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Moens]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Bert]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Appl. Soil Ecol.]]></source>
<year>2012</year>
<volume>61</volume>
<page-range>100-12</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tilston]]></surname>
<given-names><![CDATA[E.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Sizmur]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Dixon]]></surname>
<given-names><![CDATA[G.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Otten]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Harris]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dixon]]></surname>
<given-names><![CDATA[G.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil microbiology and sustainable crop production]]></source>
<year>2010</year>
<page-range>273-95</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Soil microbial diversity and agro-ecosystem functioning]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[van-der-Heijden]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Wagg]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Soil]]></source>
<year>2013</year>
<volume>363</volume>
<page-range>1-5</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[How soil food webs make plants grow]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wardle]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Trends Ecol. Evol.]]></source>
<year>1999</year>
<volume>14</volume>
<page-range>418-20</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Organic amendment application influences soil organism abundance in saline alkali soil]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Zheng]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<source><![CDATA[Eur. J. Soil Biol.]]></source>
<year>2013</year>
<volume>54</volume>
<page-range>32-40</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Feeding habits in soil nematode families and genera &#8211; An outline for soil ecologists]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yeates]]></surname>
<given-names><![CDATA[G.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Bongers]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[de-Goede]]></surname>
<given-names><![CDATA[R.G.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Freckman]]></surname>
<given-names><![CDATA[D.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Georgieva]]></surname>
<given-names><![CDATA[S.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Nematol.]]></source>
<year>1993</year>
<volume>25</volume>
<page-range>315-31</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
