Rare Earth Element Transfer from Soil to Navel Orange Pulp (Citrus sinensis Osbeck cv. Newhall) and the Effects on Internal Fruit Quality
Identifieur interne : 000968 ( Ncbi/Merge ); précédent : 000967; suivant : 000969Rare Earth Element Transfer from Soil to Navel Orange Pulp (Citrus sinensis Osbeck cv. Newhall) and the Effects on Internal Fruit Quality
Auteurs : Jinjin Cheng [République populaire de Chine] ; Changfeng Ding [République populaire de Chine] ; Xiaogang Li [République populaire de Chine] ; Taolin Zhang [République populaire de Chine] ; Xingxiang Wang [République populaire de Chine]Source :
- PLoS ONE [ 1932-6203 ] ; 2015.
Abstract
The effects of soil rare earth element (REE) on navel orange quality and safety in rare earth ore areas have gained great attention. This study investigated the transfer characteristics of REE from soil to navel orange pulp (
Url:
DOI: 10.1371/journal.pone.0120618
PubMed: 25806821
PubMed Central: 4373677
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<front><div type="abstract" xml:lang="en"><p>The effects of soil rare earth element (REE) on navel orange quality and safety in rare earth ore areas have gained great attention. This study investigated the transfer characteristics of REE from soil to navel orange pulp (<italic>Citrus sinensis</italic>
Osbeck cv. Newhall) and examined the effects of soil REE on internal fruit quality in Xinfeng County, Jiangxi province, China. Path analysis showed that soil REE, pH, cation exchange capacity (CEC), and Fe oxide (Fe<sub>ox</sub>
) significantly affected pulp REE concentrations. A Freundlich-type prediction model for pulp REE was established: log[REE<sub>pulp</sub>
] = -1.036 + 0.272 log[REE<sub>soil</sub>
] - 0.056 pH - 0.360 log[CEC] + 0.370 log[Fe<sub>ox</sub>
] (n = 114, <italic>R<sup>2</sup>
</italic>
= 0.60). From the prediction model, it was inferred that even when soil REE and Fe<sub>ox</sub>
were as high as 1038 mg kg<sup>-1</sup>
and 96.4 g kg<sup>-1</sup>
, respectively, and pH and CEC were as low as 3.75 and 5.08 cmol kg<sup>-1</sup>
, respectively, pulp REE concentrations were much lower than the food limit standard. Additionally, soil REE levels were significantly correlated with selected fruit quality indicators, including titratable acidity (<italic>r</italic>
= 0.52, P < 0.01), total soluble solids (<italic>r</italic>
= 0.48, P < 0.01) and vitamin C (<italic>r</italic>
= 0.56, P < 0.01). Generally, under routine methods of water and fertilization management, the cultivation of navel oranges in rare earth ore areas of south China with soil REE ranging from 38.6 to 546 mg kg<sup>-1</sup>
had improved in internal fruit quality.</p>
</div>
</front>
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<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">PLoS One</journal-id>
<journal-id journal-id-type="iso-abbrev">PLoS ONE</journal-id>
<journal-id journal-id-type="publisher-id">plos</journal-id>
<journal-id journal-id-type="pmc">plosone</journal-id>
<journal-title-group><journal-title>PLoS ONE</journal-title>
</journal-title-group>
<issn pub-type="epub">1932-6203</issn>
<publisher><publisher-name>Public Library of Science</publisher-name>
<publisher-loc>San Francisco, CA USA</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">25806821</article-id>
<article-id pub-id-type="pmc">4373677</article-id>
<article-id pub-id-type="doi">10.1371/journal.pone.0120618</article-id>
<article-id pub-id-type="publisher-id">PONE-D-14-45423</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Rare Earth Element Transfer from Soil to Navel Orange Pulp (<italic>Citrus sinensis</italic>
Osbeck cv. Newhall) and the Effects on Internal Fruit Quality</article-title>
<alt-title alt-title-type="running-head">Rare Earth Element in Soil-Navel Orange System</alt-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Cheng</surname>
<given-names>Jinjin</given-names>
</name>
<xref ref-type="aff" rid="aff001"><sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff002"><sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Ding</surname>
<given-names>Changfeng</given-names>
</name>
<xref ref-type="aff" rid="aff001"><sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff002"><sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Li</surname>
<given-names>Xiaogang</given-names>
</name>
<xref ref-type="aff" rid="aff001"><sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff002"><sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Zhang</surname>
<given-names>Taolin</given-names>
</name>
<xref ref-type="aff" rid="aff001"><sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff002"><sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Wang</surname>
<given-names>Xingxiang</given-names>
</name>
<xref ref-type="aff" rid="aff002"><sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff003"><sup>3</sup>
</xref>
<xref rid="cor001" ref-type="corresp">*</xref>
</contrib>
</contrib-group>
<aff id="aff001"><label>1</label>
<addr-line>Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, P R China</addr-line>
</aff>
<aff id="aff002"><label>2</label>
<addr-line>University of the Chinese Academy of Sciences, Beijing, 100049, P R China</addr-line>
</aff>
<aff id="aff003"><label>3</label>
<addr-line>Jiangxi Key Laboratory of Ecological Research of Red Soil, Ecological Experimental Station of Red Soil, Chinese Academy of Sciences, Yingtan, 335211, P R China</addr-line>
</aff>
<contrib-group><contrib contrib-type="editor"><name><surname>Mao</surname>
<given-names>Jingdong</given-names>
</name>
<role>Academic Editor</role>
<xref ref-type="aff" rid="edit1"></xref>
</contrib>
</contrib-group>
<aff id="edit1"><addr-line>Old Dominion Univ., UNITED STATES</addr-line>
</aff>
<author-notes><fn fn-type="conflict" id="coi001"><p><bold>Competing Interests: </bold>
The authors have declared that no competing interests exist.</p>
</fn>
<fn fn-type="con" id="contrib001"><p>Conceived and designed the experiments: JJC CFD XGL TLZ XXW. Performed the experiments: JJC. Analyzed the data: JJC. Contributed reagents/materials/analysis tools: JJC CFD XGL TLZ XXW. Wrote the paper: JJC XXW.</p>
</fn>
<corresp id="cor001">* E-mail: <email>xxwang@issas.ac.cn</email>
</corresp>
</author-notes>
<pub-date pub-type="epub"><day>25</day>
<month>3</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="collection"><year>2015</year>
</pub-date>
<volume>10</volume>
<issue>3</issue>
<elocation-id>e0120618</elocation-id>
<history><date date-type="received"><day>28</day>
<month>10</month>
<year>2014</year>
</date>
<date date-type="accepted"><day>24</day>
<month>1</month>
<year>2015</year>
</date>
</history>
<permissions><copyright-year>2015</copyright-year>
<copyright-holder>Cheng et al</copyright-holder>
<license xlink:href="http://creativecommons.org/licenses/by/4.0/"><license-p>This is an open access article distributed under the terms of the <ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution License</ext-link>
, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited</license-p>
</license>
</permissions>
<self-uri content-type="pdf" xlink:type="simple" xlink:href="pone.0120618.pdf"></self-uri>
<abstract><p>The effects of soil rare earth element (REE) on navel orange quality and safety in rare earth ore areas have gained great attention. This study investigated the transfer characteristics of REE from soil to navel orange pulp (<italic>Citrus sinensis</italic>
Osbeck cv. Newhall) and examined the effects of soil REE on internal fruit quality in Xinfeng County, Jiangxi province, China. Path analysis showed that soil REE, pH, cation exchange capacity (CEC), and Fe oxide (Fe<sub>ox</sub>
) significantly affected pulp REE concentrations. A Freundlich-type prediction model for pulp REE was established: log[REE<sub>pulp</sub>
] = -1.036 + 0.272 log[REE<sub>soil</sub>
] - 0.056 pH - 0.360 log[CEC] + 0.370 log[Fe<sub>ox</sub>
] (n = 114, <italic>R<sup>2</sup>
</italic>
= 0.60). From the prediction model, it was inferred that even when soil REE and Fe<sub>ox</sub>
were as high as 1038 mg kg<sup>-1</sup>
and 96.4 g kg<sup>-1</sup>
, respectively, and pH and CEC were as low as 3.75 and 5.08 cmol kg<sup>-1</sup>
, respectively, pulp REE concentrations were much lower than the food limit standard. Additionally, soil REE levels were significantly correlated with selected fruit quality indicators, including titratable acidity (<italic>r</italic>
= 0.52, P < 0.01), total soluble solids (<italic>r</italic>
= 0.48, P < 0.01) and vitamin C (<italic>r</italic>
= 0.56, P < 0.01). Generally, under routine methods of water and fertilization management, the cultivation of navel oranges in rare earth ore areas of south China with soil REE ranging from 38.6 to 546 mg kg<sup>-1</sup>
had improved in internal fruit quality.</p>
</abstract>
<funding-group><funding-statement>This work was supported by the GanPo 555 Talents Program of Jiangxi Province, China, URL: <ext-link ext-link-type="uri" xlink:href="http://www.jiangxi.gov.cn/">http://www.jiangxi.gov.cn/</ext-link>
and the Knowledge Innovation Program of Chinese Academy of Sciences (ISSAS Y112000016), URL: <ext-link ext-link-type="uri" xlink:href="http://www.cas.cn/">http://www.cas.cn/</ext-link>
, author received the funding: XXW. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.</funding-statement>
</funding-group>
<counts><fig-count count="4"></fig-count>
<table-count count="5"></table-count>
<page-count count="15"></page-count>
</counts>
<custom-meta-group><custom-meta id="data-availability"><meta-name>Data Availability</meta-name>
<meta-value>All relevant data are within the paper.</meta-value>
</custom-meta>
</custom-meta-group>
</article-meta>
<notes><title>Data Availability</title>
<p>All relevant data are within the paper.</p>
</notes>
</front>
</pmc>
<affiliations><list><country><li>République populaire de Chine</li>
</country>
</list>
<tree><country name="République populaire de Chine"><noRegion><name sortKey="Cheng, Jinjin" sort="Cheng, Jinjin" uniqKey="Cheng J" first="Jinjin" last="Cheng">Jinjin Cheng</name>
</noRegion>
<name sortKey="Cheng, Jinjin" sort="Cheng, Jinjin" uniqKey="Cheng J" first="Jinjin" last="Cheng">Jinjin Cheng</name>
<name sortKey="Ding, Changfeng" sort="Ding, Changfeng" uniqKey="Ding C" first="Changfeng" last="Ding">Changfeng Ding</name>
<name sortKey="Ding, Changfeng" sort="Ding, Changfeng" uniqKey="Ding C" first="Changfeng" last="Ding">Changfeng Ding</name>
<name sortKey="Li, Xiaogang" sort="Li, Xiaogang" uniqKey="Li X" first="Xiaogang" last="Li">Xiaogang Li</name>
<name sortKey="Li, Xiaogang" sort="Li, Xiaogang" uniqKey="Li X" first="Xiaogang" last="Li">Xiaogang Li</name>
<name sortKey="Wang, Xingxiang" sort="Wang, Xingxiang" uniqKey="Wang X" first="Xingxiang" last="Wang">Xingxiang Wang</name>
<name sortKey="Wang, Xingxiang" sort="Wang, Xingxiang" uniqKey="Wang X" first="Xingxiang" last="Wang">Xingxiang Wang</name>
<name sortKey="Zhang, Taolin" sort="Zhang, Taolin" uniqKey="Zhang T" first="Taolin" last="Zhang">Taolin Zhang</name>
<name sortKey="Zhang, Taolin" sort="Zhang, Taolin" uniqKey="Zhang T" first="Taolin" last="Zhang">Taolin Zhang</name>
</country>
</tree>
</affiliations>
</record>
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