<?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>0377-9424</journal-id>
<journal-title><![CDATA[Agronomía Costarricense]]></journal-title>
<abbrev-journal-title><![CDATA[Agron. Costarricense]]></abbrev-journal-title>
<issn>0377-9424</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica. Colegio de Ingenieros y Agrónomos. Ministerio de Agricultura y Ganadería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0377-94242018000200119</article-id>
<article-id pub-id-type="doi">10.15517/rac.v42i2.33783</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Evaluation of three organic soil emendations on clay soil for blueberry cultivar using cluster interpolated spatial maps]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación de tres enmiendas de suelos orgánicos en el suelo de arcilla para el cultivar de arándano utilizando mapas espaciales interpolados de clúster]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kalbacher]]></surname>
<given-names><![CDATA[Kelsey T.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Rodríguez]]></surname>
<given-names><![CDATA[Ofelia Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Castro]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra-Quezada]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Rosales]]></surname>
<given-names><![CDATA[Andrés F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Chihuahua Facultad de Ciencias Agrotecnológicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Mar  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>42</volume>
<numero>2</numero>
<fpage>119</fpage>
<lpage>125</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0377-94242018000200119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0377-94242018000200119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0377-94242018000200119&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Organic agriculture are the agri-environmental measures and agri-ecological alternatives which result in value-added agriculture. This study determined through interpolation of geostatistical analysis mapping if the organic measures were bio-intensive, modifying the soil to meet the requirements for the blueberry cultivar. The area of study was a blueberry orchard of 0.88 hectares, in the municipality of Cusihuriachi, Chihuahua, México, which had undergone three distinct organic soil emendation treatments to raised-beds: (t1) gypsum and sulfur, (t2) gypsum, sulfur and compost, and (t3) gypsum, sulfur, compost and pine saw dust. Twenty-four soil samples were taken at 0 to 30 centimeters throughout the orchard from the raised beds, 75 days after the application of the three soil treatments. Soil analysis techniques were used to determine percent of clay in soil, pH of soil, amount of nitrates mg.kg-1 of soil, and percent of organic material in soil. The geostatistical analysis was determined through groups of similarity and difference with cluster Ward grouping. With the results from the analysis of cluster Ward an interpolated map was generated for each parameter using ArcMap and inverse distance weighting interpolation. The conclusion from this study was that interpolation mapping was a useful visualization tool, to determine that there was no weighted difference between the three emendation treatments, and that none of the treatments were effective enough to emendate the soil to the conditions desired by blueberry cultivar for the parameters observed. The maps were also helpful in determining specific soil conditions, outside of the treatment area, which could be utilized by the producer to determine a precision agriculture management plan, which could be considered as an additional agri-environmental measurement.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La agricultura orgánica es la medida agroambiental y alternativa agroecológica que resulta en una agricultura de valor agregado. Este estudio determinó a través de la interpolación del mapeo de análisis geoestadístico si las medidas orgánicas utilizadas fueron biointensivas, y se modificó el suelo para cumplir con los requisitos para el cultivar de arándano. El área de estudio fue un huerto de arándanos de 0.88 hectáreas, en el municipio de Cusihuriachi, Chihuahua, México, que había sido sometido a 3 tratamientos distintos de enmienda orgánica del suelo para camas elevadas: (t1) yeso y azufre, (t2) yeso, azufre y compost y (t3) yeso, azufre, compost y polvo de aserrín de pino. Veinticuatro muestras de suelo se tomaron de 0 a 30 centímetros en todo el huerto de las camas elevadas, 75 días después de la aplicación de los 3 tratamientos del suelo. Las técnicas de análisis de suelo se usaron para determinar el porcentaje de arcilla en el suelo, el pH del suelo, la cantidad de nitratos mg.kg-1 de suelo y el porcentaje de materia orgánica en el suelo. El análisis geoestadístico se determinó a través de grupos de similitud y diferencia con el agrupamiento Ward. Con los resultados del análisis del clúster Ward se generó un mapa interpolado para cada parámetro al utilizar ArcMap y la interpolación de ponderación de distancia inversa. La conclusión de este estudio fue que el mapeo de interpolación era una herramienta de visualización útil para determinar que no había diferencia ponderada entre los 3 tratamientos de enmienda y que ninguno de los tratamientos fue lo suficientemente efectivo como para emendar el suelo a las condiciones deseadas por el cultivar de arándano en los parámetros observados. Los mapas también fueron útiles para determinar las condiciones específicas del suelo, fuera del área de tratamiento, que podrían ser utilizadas por el productor para determinar un plan de gestión de agricultura de precisión, que podría considerarse como una medida agroambiental adicional.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Arándano]]></kwd>
<kwd lng="es"><![CDATA[ArcMap]]></kwd>
<kwd lng="es"><![CDATA[agricultura de precisión]]></kwd>
<kwd lng="es"><![CDATA[cluster Ward]]></kwd>
<kwd lng="es"><![CDATA[enmienda orgánica del suelo]]></kwd>
<kwd lng="en"><![CDATA[ArcMap]]></kwd>
<kwd lng="en"><![CDATA[blueberry]]></kwd>
<kwd lng="en"><![CDATA[cluster Ward]]></kwd>
<kwd lng="en"><![CDATA[organic soil emendation]]></kwd>
<kwd lng="en"><![CDATA[precision agriculture]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Billib]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Holzaofel]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandez-Cirelli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sustainable water resources management for irrigated agriculture in Latin America]]></article-title>
<source><![CDATA[Chilian Journal of Agricultural Research]]></source>
<year>2009</year>
<volume>69</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-5</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bryla]]></surname>
<given-names><![CDATA[DR]]></given-names>
</name>
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[RM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative effects of nitrogen fertigation and granular fertilizer applicationon growth and availability of soil nitrogen during establishment of highbush blueberry]]></article-title>
<source><![CDATA[Frontiers in Plant Science]]></source>
<year>2011</year>
<volume>46</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Burkhard]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Lynch]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Percival]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Sharifi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Organic mulch impact on vegetation dynamics and productivity of highbush blueberry under organic production]]></article-title>
<source><![CDATA[HortScience]]></source>
<year>2009</year>
<volume>44</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>688-96</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho-Tamayo]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Luengas]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Leiva]]></surname>
<given-names><![CDATA[FR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of agricultural intervention on the spatial variability of some soils chemical properties in the eastern plains of colombia]]></article-title>
<source><![CDATA[Chilean Journal of Agriculutral Research]]></source>
<year>2008</year>
<volume>68</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>42-55</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carvalho-Guedes]]></surname>
<given-names><![CDATA[LP]]></given-names>
</name>
<name>
<surname><![CDATA[Uribe-Opazo]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Ribeiro-Junior]]></surname>
<given-names><![CDATA[PJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of incorporating geometric anisotrophy on the construction of thematic maps of simulated data and chemical attributes of soil]]></article-title>
<source><![CDATA[Chilean Journal of Agricultural Research]]></source>
<year>2013</year>
<volume>73</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>414-23</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caspersen]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Svensson]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Hakansson]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Winter]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Khalil]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Asp]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Blueberry-soil interactions from an organic perspective]]></article-title>
<source><![CDATA[Scientia Horticulturae]]></source>
<year>2016</year>
<volume>208</volume>
<page-range>78-91</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Bastiani]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Uribe-Opazo]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Dalposso]]></surname>
<given-names><![CDATA[GH.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of maps of spatial variability of soil resistance to penetration constricted with and without covariables using a spatial linerar model]]></article-title>
<source><![CDATA[Engenharia Agricola]]></source>
<year>2012</year>
<volume>32</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>394-404</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dec]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Dorner]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Balocchi]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Temporal and spatial variability of structure dependent properties of a volcanic ash soil under pasture in southern chile]]></article-title>
<source><![CDATA[Chilean Journal of Agricultural Research]]></source>
<year>2011</year>
<volume>71</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>293-303</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Echeverria]]></surname>
<given-names><![CDATA[GV]]></given-names>
</name>
<name>
<surname><![CDATA[Canumie]]></surname>
<given-names><![CDATA[JV]]></given-names>
</name>
<name>
<surname><![CDATA[Serri]]></surname>
<given-names><![CDATA[HG.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Postharvest behavior of highbush blueberry fruits cv. O&#8217;Neal cultivated with different organic fertilization treatments]]></article-title>
<source><![CDATA[Chilean Journal of Agricultural Research]]></source>
<year>2009</year>
<volume>69</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>391-9</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eck]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Childers]]></surname>
<given-names><![CDATA[NF]]></given-names>
</name>
</person-group>
<source><![CDATA[Blueberry Culture]]></source>
<year>1966</year>
<page-range>378</page-range><publisher-loc><![CDATA[News Brunswick, USA ]]></publisher-loc>
<publisher-name><![CDATA[Ruters]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferreyra]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Peralta]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sadsawka]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Munoz]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Valenzuela]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la acidificación del sustrato y del agua de riego en la nutrición, desarrollo y producción de arandano de conejo]]></article-title>
<source><![CDATA[Agricultura Técnica]]></source>
<year>2001</year>
<volume>61</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>452-8</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Finn]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Warmund]]></surname>
<given-names><![CDATA[MR.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fertigation vs. surface application of nitrogen during blueberry establishment]]></article-title>
<source><![CDATA[Acta Horticulturae]]></source>
<year>1997</year>
<volume>446</volume>
<numero>58</numero>
<issue>58</issue>
<page-range>397-402</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grunwald]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current state of digital soil mapping and what is next]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Boettinger]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Howel]]></surname>
<given-names><![CDATA[DW]]></given-names>
</name>
<name>
<surname><![CDATA[Moore]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Hartemink]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
<name>
<surname><![CDATA[Kienast-Brown]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Digital soil mapping: bridging research, environmental application, and opperation]]></source>
<year>2010</year>
<page-range>3-12</page-range><publisher-loc><![CDATA[Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Schuchardt]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of aeration rate, C/N ration and moisture content on the stability and maturity of compost]]></article-title>
<source><![CDATA[Bioresource Technology]]></source>
<year>2012</year>
<volume>112</volume>
<page-range>171-8</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guzman-Ortiz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual de fertilizantes para cultivo de alto rendimiento]]></source>
<year>2007</year>
<page-range>366</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Limusas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hanson]]></surname>
<given-names><![CDATA[EJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen fertilization of highbush blueberry]]></article-title>
<source><![CDATA[Acta Horticulturae]]></source>
<year>2006</year>
<volume>715</volume>
<numero>715</numero>
<issue>715</issue>
<page-range>347-51</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jafari]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Finke]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
<name>
<surname><![CDATA[de Wauw]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Ayoubi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Khademi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spatial prediction of USDA-great soil groups in the arid sarand region, Iran: comparing logisitc regression approaches to predict diagnostic horizons and soil typess]]></article-title>
<source><![CDATA[European Journal of Soil Science]]></source>
<year>2012</year>
<volume>63</volume>
<page-range>284-98</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Komilis]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Tziouvaras]]></surname>
<given-names><![CDATA[IS.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A statistical analysis to assess the maturity and stability of six composts]]></article-title>
<source><![CDATA[Waste Management]]></source>
<year>2009</year>
<volume>29</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1504-13</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lillesand]]></surname>
<given-names><![CDATA[TR]]></given-names>
</name>
<name>
<surname><![CDATA[Keifer]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Chipman]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Remote sensing and image interpretation]]></source>
<year>2015</year>
<edition>7</edition>
<page-range>104</page-range><publisher-loc><![CDATA[Hoboken, USA ]]></publisher-loc>
<publisher-name><![CDATA[Wiley]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mandal]]></surname>
<given-names><![CDATA[AK]]></given-names>
</name>
<name>
<surname><![CDATA[Sharma]]></surname>
<given-names><![CDATA[RC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Computerized datatbase of salts affected soils for peninsular India using GIS]]></article-title>
<source><![CDATA[Geocarto International]]></source>
<year>2009</year>
<volume>24</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>65-85</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medina González]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[García Coronado]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Núñez Acosta]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El método del hidrómetro: base teórica para su empleo en la determinación de la distribución del tamaño de partículas de suelo]]></article-title>
<source><![CDATA[Revista Ciencias Técnicas Agropecuarias]]></source>
<year>2007</year>
<volume>16</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>19-24</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Navarro-García]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Navarro-García]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Química agrícola: química del suelo y de los nutrientes esenciales para las plantas]]></source>
<year>2013</year>
<page-range>508</page-range><publisher-loc><![CDATA[Madrid, Spain ]]></publisher-loc>
<publisher-name><![CDATA[Cimapress]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orjuela-Matta]]></surname>
<given-names><![CDATA[HM]]></given-names>
</name>
<name>
<surname><![CDATA[Sanabria]]></surname>
<given-names><![CDATA[YR]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Tamayo]]></surname>
<given-names><![CDATA[JH.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spatial analysis of infiltration in an oxisol of the eastern plains of Colombia]]></article-title>
<source><![CDATA[Chilean Journal of Agricultural Reasearch]]></source>
<year>2012</year>
<volume>72</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>404-10</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Qi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[AX]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Knowledge discovery from soil maps using inductive learning]]></article-title>
<source><![CDATA[International Journal of Geographical Information Science]]></source>
<year>2003</year>
<volume>17</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>771-95</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodriguez-Vasquez]]></surname>
<given-names><![CDATA[AF]]></given-names>
</name>
<name>
<surname><![CDATA[Arisitizabal-Castillo]]></surname>
<given-names><![CDATA[AR]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Tamayo]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variabilidad espacial de los modelos de infiltracion de philip y kostiakov en un suelo andico]]></article-title>
<source><![CDATA[Engenharia Agrícola]]></source>
<year>2008</year>
<volume>28</volume>
<page-range>64-75</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandoval]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Celis]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Bahamondes]]></surname>
<given-names><![CDATA[CP.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of sewage sludge and sawdust in association with hybrid ryegrass (Lolium x hybrydum Hausskn) on soil macroaggregates and water content]]></article-title>
<source><![CDATA[Chilean Journal of Agricultural Research]]></source>
<year>2012</year>
<volume>72</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>568-73</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[CB]]></given-names>
</name>
<name>
<surname><![CDATA[Lancelloti]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Vidal]]></surname>
<given-names><![CDATA[IP.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Azufre elemental como corrector del pH y la fertilidad de algunos suelos de la III y IV region de chile]]></article-title>
<source><![CDATA[Agricultura Técnica Chile]]></source>
<year>2007</year>
<volume>67</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>173-81</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taghizadeh-Mehrjardi]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Sarmadian]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Minasny]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Triantafilis]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Omid]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Digital Mapping of Soil Classes Using Decision Tree and Auxiliary Data in the Ardakan Region, Iran]]></article-title>
<source><![CDATA[Arid Land Research and Management]]></source>
<year>2014</year>
<volume>28</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>147-68</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Uvalle-Bueno]]></surname>
<given-names><![CDATA[JX]]></given-names>
</name>
</person-group>
<source><![CDATA[Diagnóstico, análisis de agua, suelo y planta, su interpretación y utilidad agrícola. Laboratorio de Suelos del Centro de Investigaciones Regionales del Noroeste (CIRNOINIFAP)]]></source>
<year>2000</year>
<page-range>68</page-range><publisher-loc><![CDATA[México. Obregón ]]></publisher-loc>
<publisher-name><![CDATA[Son]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valarini]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Curaqueo]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Seguei]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Manzano]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Rubio]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Cornejo]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Borie]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of compost application on some properties of a volcanic soil from central south chile]]></article-title>
<source><![CDATA[Chilean Journal of Agricultural Research]]></source>
<year>2009</year>
<volume>69</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>416-25</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Breemen]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Mulder]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Driscoll]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acidification and alkalization of soils]]></article-title>
<source><![CDATA[Plants and soil]]></source>
<year>1983</year>
<volume>75</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>283-308</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Walder]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Walder]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Rinklebe]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Menz]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimation of soil properties with geostatistical methods in floodplains]]></article-title>
<source><![CDATA[Archives of Agronomy and Soil Science]]></source>
<year>2008</year>
<volume>54</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>275-95</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[AX]]></given-names>
</name>
<name>
<surname><![CDATA[Qi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Qin]]></surname>
<given-names><![CDATA[CZ]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Pei]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An intergrative hierarchical stepwise sampling strategy for spatial sampling and its application in digital soil mapping]]></article-title>
<source><![CDATA[International Journal of Geographical Information Science]]></source>
<year>2013</year>
<volume>27</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-23</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
