<?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>1665-1456</journal-id>
<journal-title><![CDATA[Biotecnia]]></journal-title>
<abbrev-journal-title><![CDATA[Biotecnia]]></abbrev-journal-title>
<issn>1665-1456</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sonora, División de Ciencias Biológicas y de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-14562020000300029</article-id>
<article-id pub-id-type="doi">10.18633/biotecnia.v22i3.1134</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación del ciclo del nitrógeno en un suelo agrícola perturbado con compuestos Salfen de níquel y zinc]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of the nitrogen cycle in an agricultural soil disturbed with nickel-salphen and zinc-salphen compounds]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Pacheco]]></surname>
<given-names><![CDATA[Andrea Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escárcega-Bobadilla]]></surname>
<given-names><![CDATA[Martha Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mondragón-Camarillo]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hayano-Kanashiro]]></surname>
<given-names><![CDATA[Corina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varela-Romero]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vílchez-Vargas]]></surname>
<given-names><![CDATA[Ramiro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón]]></surname>
<given-names><![CDATA[Kadiya]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sonora Departamento de Investigaciones Científicas y Tecnológicas ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,UNAM Facultad de Química Departamento de Química Orgánica]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,UNAM FES-Iztacala Laboratorio de Microbiología, UBIPRO]]></institution>
<addr-line><![CDATA[Tlalnepantla Edo. México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Otto von Guericke University Department of Gastroenterology, Hepatology and Infectious Diseases ]]></institution>
<addr-line><![CDATA[Magdeburg ]]></addr-line>
<country>Germany</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>22</volume>
<numero>3</numero>
<fpage>29</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-14562020000300029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-14562020000300029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-14562020000300029&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El suelo proporciona servicios ecosistémicos fundamentales como la regulación del ciclo del nitrógeno, el cual, es dirigido por la microbiota que éste alberga y su estabilidad depende de perturbaciones bióticas o abióticas, como la contaminación por metales. Altas concentraciones de níquel (Ni) y zinc (Zn) en suelos agrícolas están relacionadas con prácticas agrícolas convencionales, composta, biosólidos, así como el riego con agua contaminada proveniente de la industria minera y termoeléctrica, principalmente. Con el objetivo de estudiar los efectos de dicha perturbación abiótica, se realizó un estudio a nivel microcosmos con suelo agrícola proveniente de la Costa de Hermosillo, Sonora, México, perturbado con compuestos M-salfen de Ni(II) y Zn(II), para evaluar su efecto en el funcionamiento del ciclo del nitrógeno a lo largo del tiempo. Los resultados obtenidos de los análisis espectrofotométricos de la reserva de nitrógeno inorgánico, de absorción atómica y de pH revelaron la recuperación de la funcionalidad del ciclo del nitrógeno en 240 días posteriores a las perturbaciones con M-salfen aplicadas, sugiriendo que, la utilización de NiSB15 promueve el incremento de la concentración de nitrato a los 60 días y, en conjunción con NiSA15 aumenta la concentración de amonio en suelos agrícolas contaminados con metales pesados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Soil ecosystem provides fundamental services as bio-geochemical cycle regulation. Nitrogen cycle is managed by the microbiota that it harbors and depends on the stability of the ecosystem to cope abiotic disturbances such as metal and metalloid contamination. High concentrations of nickel (Ni) and zinc (Zn) in agricultural soils are frequently related to the application of conventional farming practices, composting, irrigation and biosolids deposit, as well as wastewater polluted from the mining and thermoelectric industry. To better understand the effects of this kind of abiotic disturbance a microcosm, this study was performed with agricultural soil from the Coast of Hermosillo, Sonora, Mexico and contaminated with Ni (II) and Zn (II) salphen complexes to evaluate their effect on the system, regarding the nitrogen cycle fluxes over time. The results obtained by spectrophotometric analyzes of the inorganic nitrogen pool, atomic absorption and pH revealed that the soil system functioning based on the nitrogen cycle was recovered 240 days after disturbances with M-salphen. This suggest the potential use of NiSB15 as a promoter to increase nitrate concentration at 60 days in conjunction with NiSA15 to increase ammonium concentration in agricultural soils contaminated with heavy metals.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ni-salfen]]></kwd>
<kwd lng="es"><![CDATA[Zn-salfen]]></kwd>
<kwd lng="es"><![CDATA[suelo agrícola]]></kwd>
<kwd lng="es"><![CDATA[ciclo del nitrógeno]]></kwd>
<kwd lng="es"><![CDATA[perturbación abiótica]]></kwd>
<kwd lng="en"><![CDATA[Ni-salphen]]></kwd>
<kwd lng="en"><![CDATA[Zn-salphen]]></kwd>
<kwd lng="en"><![CDATA[agricultural soil]]></kwd>
<kwd lng="en"><![CDATA[N-cycle]]></kwd>
<kwd lng="en"><![CDATA[abiotic disturbance]]></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[Aislabie]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Deslippe]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil microbes and their contribution to soil services]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Dymond]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecosystem Services in New Zealand-conditions and trends]]></source>
<year>2013</year>
<page-range>143-61</page-range><publisher-loc><![CDATA[Lincoln., New Zeland ]]></publisher-loc>
<publisher-name><![CDATA[Mannaaki Whenua Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ardestani]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
<name>
<surname><![CDATA[van Straalen]]></surname>
<given-names><![CDATA[N.M.]]></given-names>
</name>
<name>
<surname><![CDATA[van Gestel]]></surname>
<given-names><![CDATA[C.A.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Uptake and elimination kinetics of metals in soil invertebrates: a review]]></article-title>
<source><![CDATA[Environ Pollut.]]></source>
<year>2014</year>
<volume>193</volume>
<page-range>277-95</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Azarbad]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Nikli&#324;ska]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Laskowski]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[van Straalen]]></surname>
<given-names><![CDATA[N.M.]]></given-names>
</name>
<name>
<surname><![CDATA[van Gestel]]></surname>
<given-names><![CDATA[C.A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Wen]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Röling]]></surname>
<given-names><![CDATA[W.F.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microbial community composition and functions are resilient to metal pollution along two forest soil gradients]]></article-title>
<source><![CDATA[FEMS Microbiology Ecology]]></source>
<year>2015</year>
<volume>91</volume>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bader]]></surname>
<given-names><![CDATA[N.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Applications of schiff´s bases chelates in quantitative analysis: a review]]></article-title>
<source><![CDATA[Rasayan J Chem.]]></source>
<year>2010</year>
<volume>3</volume>
<page-range>660-70</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cabello]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Roldán]]></surname>
<given-names><![CDATA[M.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno-Vivián]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrate reduction and the nitrogen cycle in archaea]]></article-title>
<source><![CDATA[Microbiology]]></source>
<year>2004</year>
<volume>150</volume>
<page-range>3527-46</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cano-Cruz]]></surname>
<given-names><![CDATA[M.T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudios de autoensamblaje supramolecular y química anfitrión huésped]]></source>
<year>2018</year>
<publisher-name><![CDATA[National Autonomous University of Mexico]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calderón]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Spor]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Breuil]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bru]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bizouard]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Violle]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bernard]]></surname>
<given-names><![CDATA[R.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Philippot]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effectiveness of ecological rescue for altered soil microbial communities and functions]]></article-title>
<source><![CDATA[ISME J.]]></source>
<year>2017</year>
<volume>11</volume>
<page-range>272-83</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calderón]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Philippot]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bizouard]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Compounded disturbance chronology modulates the resilience of soil microbial communities and N-Cycle related functions]]></article-title>
<source><![CDATA[Front Microbiol.]]></source>
<year>2018</year>
<volume>6</volume>
<page-range>2721</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cota-Ruiz]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Nuñez-Gastelúm]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Delgado-Rios]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Martinez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biorremediación: Actualidad de conceptos y aplicaciones]]></article-title>
<source><![CDATA[Biotecnia]]></source>
<year>2019</year>
<volume>XXI</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>37-44</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Daims]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Lücker]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new perspective on microbes formerly known as nitrite-oxidizing bacteria]]></article-title>
<source><![CDATA[Trends Microbiol.]]></source>
<year>2016</year>
<volume>24</volume>
<page-range>699-712</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Das]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Dash]]></surname>
<given-names><![CDATA[H.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Chakraborty]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic basis and importance of metal resistant genes in bacteria for bioremediation of contaminated environments with toxic metal pollutants]]></article-title>
<source><![CDATA[Appl Microbiol Biotechnol.]]></source>
<year>2016</year>
<volume>100</volume>
<page-range>2967-84</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escárcega-Bobadilla]]></surname>
<given-names><![CDATA[M.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Belmonte]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Escudero-Adán]]></surname>
<given-names><![CDATA[E.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Kleij]]></surname>
<given-names><![CDATA[A.W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A recyclable trinuclear bifunctional catalyst derived from a tetraoxo Bis-Zn(salphen) metalloligand]]></article-title>
<source><![CDATA[Chem Eur J.]]></source>
<year>2013</year>
<volume>19</volume>
<page-range>2641-8</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Galán Huertos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Romero Baena]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contaminación de suelos por metales pesados]]></article-title>
<source><![CDATA[Revista de la Sociedad Española de Mineralogía]]></source>
<year>2008</year>
<volume>10</volume>
<page-range>48-60</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giller]]></surname>
<given-names><![CDATA[K.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Witter]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[McGrath]]></surname>
<given-names><![CDATA[S.P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Toxicity of heavy metals to microorganisms and microbial processes in agricultural soils: A review]]></article-title>
<source><![CDATA[Soil Biol Biochem.]]></source>
<year>1998</year>
<volume>30</volume>
<page-range>1389-414</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[Z.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[X.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Stoffella]]></surname>
<given-names><![CDATA[P.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Trace elements in agroecosystems and impacts on the environment]]></article-title>
<source><![CDATA[Journal of Trace Elements in Medicine and Biology]]></source>
<year>2005</year>
<volume>19</volume>
<page-range>125-40</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández-Ramírez]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudio de un sistema bioinspirado de autoensamblaje dinámico con un anfitrión tipo salfen fosforado supramolecular]]></source>
<year>2018</year>
<publisher-name><![CDATA[National Autonomous University of Mexico]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hirsch]]></surname>
<given-names><![CDATA[P.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mauchline]]></surname>
<given-names><![CDATA[T.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The importance of the microbial N-Cycle in soil for crop plant nutrition]]></article-title>
<source><![CDATA[Adv. Appl. Microbiol.]]></source>
<year>2015</year>
<volume>93</volume>
<page-range>45-71</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Horikoshi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Tang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Dickey]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Grenié]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Thompson]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Selzer]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Strbenac]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Voronin]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[R package &#8216;ggfortify&#8217; version 0.4.7]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[H.W.]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[J.Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comammox-a newly discovered nitrification process in the terrestrial nitrogen cycle]]></article-title>
<source><![CDATA[J Soils Sediments]]></source>
<year>2017</year>
<volume>17</volume>
<page-range>2709-17</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<source><![CDATA[ISO 10390:2005 Soil quality -Determination of pH]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<source><![CDATA[ISO 3696:1987 Water for analytical laboratory use - Specification and test methods]]></source>
<year>1987</year>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="">
<source><![CDATA[ISO 11277:2009 Soil quality-Determination of particle size distribution in mineral soil material - Method by sieving and sedimentation]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Isobe]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Ohte]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecological perspectives on microbes involved in N-cycling]]></article-title>
<source><![CDATA[Microbes Environ.]]></source>
<year>2014</year>
<volume>29</volume>
<page-range>4-16</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mahmood]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alkhathlan]]></surname>
<given-names><![CDATA[H.Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Characterization of leaves and flowers volatile constituents of Lantana camara growing in central region of Saudi Arabia]]></article-title>
<source><![CDATA[Arabian Journal of Chemistry]]></source>
<year>2016</year>
<volume>9</volume>
<page-range>764-74</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Keeney]]></surname>
<given-names><![CDATA[D.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Nelson]]></surname>
<given-names><![CDATA[D.W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen - inorganic forms]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Page]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[R.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Keeney]]></surname>
<given-names><![CDATA[D.R]]></given-names>
</name>
</person-group>
<source><![CDATA[Methods of Soil Analysis]]></source>
<year>1982</year>
<page-range>643-98</page-range><publisher-loc><![CDATA[Madison USA ]]></publisher-loc>
<publisher-name><![CDATA[ASA-SSSA, Agron.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kosolapov]]></surname>
<given-names><![CDATA[A.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Tsybul&#8217;ko]]></surname>
<given-names><![CDATA[E.I.]]></given-names>
</name>
<name>
<surname><![CDATA[Makarova]]></surname>
<given-names><![CDATA[E.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Cherevach]]></surname>
<given-names><![CDATA[E.I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of the syrup prepared on the basis of wild-growing grasses of the Far East, in preventive maintenance of respiratory diseases and microelements at children]]></article-title>
<source><![CDATA[Vopr Pitan.]]></source>
<year>2004</year>
<volume>73</volume>
<page-range>21-4</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[von Wirén]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ammonium as a signal for physiological and morphological responses in plants]]></article-title>
<source><![CDATA[Journal of Experimental Botany]]></source>
<year>2017</year>
<volume>68</volume>
<page-range>2581-92</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lovley]]></surname>
<given-names><![CDATA[D.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[D.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Nevin]]></surname>
<given-names><![CDATA[K.P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dissimilatory Fe(III) and Mn(IV) reduction]]></article-title>
<source><![CDATA[Adv Microb Physiol.]]></source>
<year>2004</year>
<volume>49</volume>
<page-range>219-86</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mendiburu]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Simon]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[R package &#8216;agricolae&#8217; version 1.3-1 agricolae]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McLean]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bledsoe]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Behavior of Metals in Soils]]></source>
<year>1992</year>
<publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[U.S. Environmental Protection Agency]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[A.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fan]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Orsel]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[S.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Wells]]></surname>
<given-names><![CDATA[D.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrate transport and signalling]]></article-title>
<source><![CDATA[Journal of Experimental Botany]]></source>
<year>2007</year>
<volume>58</volume>
<page-range>2297-306</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nelson]]></surname>
<given-names><![CDATA[M.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Martiny]]></surname>
<given-names><![CDATA[A.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Martiny]]></surname>
<given-names><![CDATA[J.B.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global biogeography of microbial nitrogen-cycling traits in soil]]></article-title>
<source><![CDATA[PNAS]]></source>
<year>2016</year>
<volume>113</volume>
<page-range>8033-40</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ochoa Espinosa]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Armenta Calderón]]></surname>
<given-names><![CDATA[A.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno Salazar]]></surname>
<given-names><![CDATA[S.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández Herrera]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ochoa Meza]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fertilización orgánica y su impacto en la calidad del suelo]]></article-title>
<source><![CDATA[Biotecnia]]></source>
<year>2019</year>
<volume>XXI</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>87-92</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ojuederie]]></surname>
<given-names><![CDATA[O.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Babalola]]></surname>
<given-names><![CDATA[O.O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microbial and plant-assisted bioremediation of heavy metal polluted environments: A review]]></article-title>
<source><![CDATA[Int J Environ Res Public Health]]></source>
<year>2017</year>
<volume>4</volume>
<page-range>14</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oksanen]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Blanchet]]></surname>
<given-names><![CDATA[F.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Kindt]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Legendre]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Minchin]]></surname>
<given-names><![CDATA[P.R.]]></given-names>
</name>
<name>
<surname><![CDATA[O&#8217;Hara]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[vegan: Community Ecology Package]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Olaniran]]></surname>
<given-names><![CDATA[A.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Balgobind]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pillay]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bioavailability of heavy metals in soil: Impact on microbial biodegradation of organic compounds and possible improvement strategies]]></article-title>
<source><![CDATA[Int J Mol Sci.]]></source>
<year>2013</year>
<volume>14</volume>
<page-range>10197-228</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oves]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Saghir]]></surname>
<given-names><![CDATA[K.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Huda]]></surname>
<given-names><![CDATA[Q.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nadeen]]></surname>
<given-names><![CDATA[F.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Almeebi]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heavy Metals: Biological Importance and Detoxification Strategies]]></article-title>
<source><![CDATA[J Bioremed Biodeg.]]></source>
<year>2016</year>
<volume>7</volume>
<page-range>334</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Rodríguez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[de Blas]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Soto]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Pontevedra-Pomba]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Periago]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The soil use conflict and quality]]></article-title>
<source><![CDATA[CyTA - Journal of Food]]></source>
<year>2011</year>
<volume>9</volume>
<page-range>342-3</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Philippot]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Spor]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hénault]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bru]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bizouard]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[C.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Loss in microbial diversity affects nitrogen cycling in soil]]></article-title>
<source><![CDATA[ISME J.]]></source>
<year>2013</year>
<volume>7</volume>
<page-range>1609-19</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="">
<collab>SEMARNAT</collab>
<source><![CDATA[La degradación de suelos en México. Informe de La Situación Del Medio Ambiente En México]]></source>
<year>2013</year>
<page-range>119-54</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shade]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Peter]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Allison]]></surname>
<given-names><![CDATA[S.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Baho]]></surname>
<given-names><![CDATA[D.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Berga]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fundamentals of microbial community resistance and resilience]]></article-title>
<source><![CDATA[Front Microbiol.]]></source>
<year>2012</year>
<volume>3</volume>
<page-range>417</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shimazaki]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oxidation chemistry of metal (II) salen-type complexes]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Khalid]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Electrochemistry]]></source>
<year>2013</year>
<page-range>51-70</page-range><publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Intech Open]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Spain]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Implications of microbial heavy metal tolerance in the environment]]></article-title>
<source><![CDATA[Rev. Undergrad Res.]]></source>
<year>2003</year>
<volume>2</volume>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stein]]></surname>
<given-names><![CDATA[L.Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Klotz]]></surname>
<given-names><![CDATA[M.G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Nitrogen Cycle]]></article-title>
<source><![CDATA[Curr. Biol.]]></source>
<year>2016</year>
<volume>26</volume>
<page-range>R94-8 d</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[van der Putten]]></surname>
<given-names><![CDATA[W.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Wall]]></surname>
<given-names><![CDATA[D.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecosystem services provided by soil life]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Wall]]></surname>
<given-names><![CDATA[D. H]]></given-names>
</name>
<name>
<surname><![CDATA[Bardgett]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Behan-Pelletier]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrick]]></surname>
<given-names><![CDATA[J. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Ritz]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Six]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Strong]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[van der Putten]]></surname>
<given-names><![CDATA[W.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Routledge Handbook of Ecosystem Services]]></source>
<year>2018</year>
<page-range>415-20</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Taylor &amp;Francis Group]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Kessel]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Speth]]></surname>
<given-names><![CDATA[D.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Albertsen]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Complete nitrification by a single microorganism]]></article-title>
<source><![CDATA[Nature]]></source>
<year>2015</year>
<volume>528</volume>
<page-range>555-9</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weisany]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Raei]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Allahverdipoor]]></surname>
<given-names><![CDATA[K.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of some of mineral nutrients in biological nitrogen fixation]]></article-title>
<source><![CDATA[Bull Env Pharmacol Life Sci.]]></source>
<year>2013</year>
<volume>2</volume>
<page-range>77-84</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Walkley]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[I.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An examination of the Degtjareff method for determining organic carbon in soils: Effect of variations in digestion conditions and of inorganic soil constituents]]></article-title>
<source><![CDATA[Soil Sci.]]></source>
<year>1934</year>
<volume>63</volume>
<page-range>251-63</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wickham]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[ggplot2 Elegant Graphics for Data Analysis]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Texas ]]></publisher-loc>
<publisher-name><![CDATA[R. Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zaidi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Oves]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ahmad]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Importance of free-living Fungi in heavy metal remediation]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Khan]]></surname>
</name>
</person-group>
<source><![CDATA[Biomanagement of Metal-Contaminated Soils]]></source>
<year>2011</year>
<page-range>479-94</page-range><publisher-loc><![CDATA[Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
