Accumulation of Miscanthus‐derived carbon in soils in relation to soil depth and duration of land use under commercial farming conditions
Identifieur interne : 001979 ( Istex/Corpus ); précédent : 001978; suivant : 001980Accumulation of Miscanthus‐derived carbon in soils in relation to soil depth and duration of land use under commercial farming conditions
Auteurs : Daniel Felten ; Christoph EmmerlingSource :
- Journal of Plant Nutrition and Soil Science [ 1436-8730 ] ; 2012-10.
English descriptors
Abstract
Bioenergy is becoming an important option in Global Change mitigation policy world‐wide. In agriculture, cultivation of energy crops for biodiesel, biogas, or bioethanol production received considerable attention in the past decades. Beyond this, the cultivation of Miscanthus, used as solid fuel for combustion, may lead to an increase in soil organic matter content compared to other agricultural land use, since C‐sequestration potential in soils of Miscanthus crops is high due to, e.g., high amounts of harvest residues. This may indirectly contribute to a reduction of atmospheric CO2 concentration. The objective of the present work was to investigate the development of soil organic carbon and Miscanthus‐derived C contents, as well as to estimate carbon stocks in soils cultivated with Miscanthus using 13C‐natural‐abundance technique. The investigations were carried out in relation to soil depth up to 150 cm in a sequence of 2, 5, and 16 y of cultivation relative to a reference soil cultivated with cereals. Amounts of total organic C (TOC) and Miscanthus‐derived C (Miscanthus‐C) increased with increasing duration of cultivation. For example, TOC increased from 12.8 to 21.3 g C kg–1 after 16 y of cultivation at the depth of 0–15 cm, whereby the portion of Miscanthus‐C reached 5.8 g C kg–1. Also within deeper soil layers down to 60 cm depth a significant enhancement of Miscanthus‐C was detectable even though TOC contents were not significantly enhanced. At soil depth below 60 cm, no significant differences between treatments were found for Miscanthus‐C. Within 16 y of continuous commercial farming, Miscanthus stands accumulated a total of 17.7 Mg C ha–1 derived from Miscanthus residues (C4‐C), which is equivalent to 1.1 Mg C4‐C ha–1 y–1. The annual surplus might function as CO2 credit within a greenhouse‐gas balance. Moreover, the beneficial properties of Miscanthus cultivation combined with a low requirement on fertilization may justify the status of Miscanthus as a sustainable low‐input bioenergy crop.
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DOI: 10.1002/jpln.201100250
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ISTEX:D480E9552F3641680E0EC84F9CA04E05759049FELe document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Accumulation of Miscanthus‐derived carbon in soils in relation to soil depth and duration of land use under commercial farming conditions</title><author><name sortKey="Felten, Daniel" sort="Felten, Daniel" uniqKey="Felten D" first="Daniel" last="Felten">Daniel Felten</name><affiliation><mods:affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</mods:affiliation></affiliation><affiliation><mods:affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</mods:affiliation></affiliation></author><author><name sortKey="Emmerling, Christoph" sort="Emmerling, Christoph" uniqKey="Emmerling C" first="Christoph" last="Emmerling">Christoph Emmerling</name><affiliation><mods:affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:D480E9552F3641680E0EC84F9CA04E05759049FE</idno><date when="2012" year="2012">2012</date><idno type="doi">10.1002/jpln.201100250</idno><idno type="url">https://api.istex.fr/document/D480E9552F3641680E0EC84F9CA04E05759049FE/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001979</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001979</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Accumulation of Miscanthus‐derived carbon in soils in relation to soil depth and duration of land use under commercial farming conditions</title><author><name sortKey="Felten, Daniel" sort="Felten, Daniel" uniqKey="Felten D" first="Daniel" last="Felten">Daniel Felten</name><affiliation><mods:affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</mods:affiliation></affiliation><affiliation><mods:affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</mods:affiliation></affiliation></author><author><name sortKey="Emmerling, Christoph" sort="Emmerling, Christoph" uniqKey="Emmerling C" first="Christoph" last="Emmerling">Christoph Emmerling</name><affiliation><mods:affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Plant Nutrition and Soil Science</title><title level="j" type="abbrev">Z. 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Bodenk.</title><idno type="ISSN">1436-8730</idno><idno type="eISSN">1522-2624</idno><imprint><publisher>WILEY‐VCH Verlag</publisher><pubPlace>Weinheim</pubPlace><date type="published" when="2012-10">2012-10</date><biblScope unit="volume">175</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="661">661</biblScope><biblScope unit="page" to="670">670</biblScope></imprint><idno type="ISSN">1436-8730</idno></series><idno type="istex">D480E9552F3641680E0EC84F9CA04E05759049FE</idno><idno type="DOI">10.1002/jpln.201100250</idno><idno type="ArticleID">JPLN201100250</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1436-8730</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>13C‐isotopic analysis</term><term>TOC</term><term>carbon stock</term><term>energy crop</term><term>field conditions</term><term>perennial crop</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Bioenergy is becoming an important option in Global Change mitigation policy world‐wide. In agriculture, cultivation of energy crops for biodiesel, biogas, or bioethanol production received considerable attention in the past decades. Beyond this, the cultivation of Miscanthus, used as solid fuel for combustion, may lead to an increase in soil organic matter content compared to other agricultural land use, since C‐sequestration potential in soils of Miscanthus crops is high due to, e.g., high amounts of harvest residues. This may indirectly contribute to a reduction of atmospheric CO2 concentration. The objective of the present work was to investigate the development of soil organic carbon and Miscanthus‐derived C contents, as well as to estimate carbon stocks in soils cultivated with Miscanthus using 13C‐natural‐abundance technique. The investigations were carried out in relation to soil depth up to 150 cm in a sequence of 2, 5, and 16 y of cultivation relative to a reference soil cultivated with cereals. Amounts of total organic C (TOC) and Miscanthus‐derived C (Miscanthus‐C) increased with increasing duration of cultivation. For example, TOC increased from 12.8 to 21.3 g C kg–1 after 16 y of cultivation at the depth of 0–15 cm, whereby the portion of Miscanthus‐C reached 5.8 g C kg–1. Also within deeper soil layers down to 60 cm depth a significant enhancement of Miscanthus‐C was detectable even though TOC contents were not significantly enhanced. At soil depth below 60 cm, no significant differences between treatments were found for Miscanthus‐C. Within 16 y of continuous commercial farming, Miscanthus stands accumulated a total of 17.7 Mg C ha–1 derived from Miscanthus residues (C4‐C), which is equivalent to 1.1 Mg C4‐C ha–1 y–1. The annual surplus might function as CO2 credit within a greenhouse‐gas balance. Moreover, the beneficial properties of Miscanthus cultivation combined with a low requirement on fertilization may justify the status of Miscanthus as a sustainable low‐input bioenergy crop.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Daniel Felten</name><affiliations><json:string>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</json:string><json:string>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</json:string></affiliations></json:item><json:item><name>Christoph Emmerling</name><affiliations><json:string>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>energy crop</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>13C‐isotopic analysis</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>carbon stock</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>perennial crop</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>TOC</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>field conditions</value></json:item></subject><articleId><json:string>JPLN201100250</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>Bioenergy is becoming an important option in Global Change mitigation policy world‐wide. In agriculture, cultivation of energy crops for biodiesel, biogas, or bioethanol production received considerable attention in the past decades. Beyond this, the cultivation of Miscanthus, used as solid fuel for combustion, may lead to an increase in soil organic matter content compared to other agricultural land use, since C‐sequestration potential in soils of Miscanthus crops is high due to, e.g., high amounts of harvest residues. This may indirectly contribute to a reduction of atmospheric CO2 concentration. The objective of the present work was to investigate the development of soil organic carbon and Miscanthus‐derived C contents, as well as to estimate carbon stocks in soils cultivated with Miscanthus using 13C‐natural‐abundance technique. The investigations were carried out in relation to soil depth up to 150 cm in a sequence of 2, 5, and 16 y of cultivation relative to a reference soil cultivated with cereals. Amounts of total organic C (TOC) and Miscanthus‐derived C (Miscanthus‐C) increased with increasing duration of cultivation. For example, TOC increased from 12.8 to 21.3 g C kg–1 after 16 y of cultivation at the depth of 0–15 cm, whereby the portion of Miscanthus‐C reached 5.8 g C kg–1. Also within deeper soil layers down to 60 cm depth a significant enhancement of Miscanthus‐C was detectable even though TOC contents were not significantly enhanced. At soil depth below 60 cm, no significant differences between treatments were found for Miscanthus‐C. Within 16 y of continuous commercial farming, Miscanthus stands accumulated a total of 17.7 Mg C ha–1 derived from Miscanthus residues (C4‐C), which is equivalent to 1.1 Mg C4‐C ha–1 y–1. The annual surplus might function as CO2 credit within a greenhouse‐gas balance. 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Bioenergy</title></host><title>Soil carbon sequestration during the establishment phase of Miscanthus x giganteus: a regional‐scale study on commercial farms using 13C natural abundance.</title></json:item></refBibs><genre><json:string>article</json:string></genre><host><volume>175</volume><publisherId><json:string>JPLN</json:string></publisherId><pages><total>10</total><last>670</last><first>661</first></pages><issn><json:string>1436-8730</json:string></issn><issue>5</issue><subject><json:item><value>Regular Article</value></json:item></subject><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><eissn><json:string>1522-2624</json:string></eissn><title>Journal of Plant Nutrition and Soil Science</title><doi><json:string>10.1002/(ISSN)1522-2624</json:string></doi></host><categories><wos><json:string>science</json:string><json:string>soil science</json:string><json:string>plant sciences</json:string><json:string>agronomy</json:string></wos><scienceMetrix><json:string>applied sciences</json:string><json:string>agriculture, fisheries & forestry</json:string><json:string>agronomy & agriculture</json:string></scienceMetrix></categories><publicationDate>2012</publicationDate><copyrightDate>2012</copyrightDate><doi><json:string>10.1002/jpln.201100250</json:string></doi><id>D480E9552F3641680E0EC84F9CA04E05759049FE</id><score>1.5898589</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/D480E9552F3641680E0EC84F9CA04E05759049FE/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/D480E9552F3641680E0EC84F9CA04E05759049FE/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/D480E9552F3641680E0EC84F9CA04E05759049FE/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Accumulation of Miscanthus‐derived carbon in soils in relation to soil depth and duration of land use under commercial farming conditions</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>WILEY‐VCH Verlag</publisher><pubPlace>Weinheim</pubPlace><availability><p>Copyright © 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</p></availability><date>2012</date></publicationStmt><notesStmt><note>German Research Foundation (DFG, Graduiertenkolleg 1319)</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Accumulation of Miscanthus‐derived carbon in soils in relation to soil depth and duration of land use under commercial farming conditions</title><author xml:id="author-1"><persName><forename type="first">Daniel</forename><surname>Felten</surname></persName><affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</affiliation><affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</affiliation></author><author xml:id="author-2"><persName><forename type="first">Christoph</forename><surname>Emmerling</surname></persName><affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</affiliation></author></analytic><monogr><title level="j">Journal of Plant Nutrition and Soil Science</title><title level="j" type="abbrev">Z. Pflanzenernähr. Bodenk.</title><idno type="pISSN">1436-8730</idno><idno type="eISSN">1522-2624</idno><idno type="DOI">10.1002/(ISSN)1522-2624</idno><imprint><publisher>WILEY‐VCH Verlag</publisher><pubPlace>Weinheim</pubPlace><date type="published" when="2012-10"></date><biblScope unit="volume">175</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="661">661</biblScope><biblScope unit="page" to="670">670</biblScope></imprint></monogr><idno type="istex">D480E9552F3641680E0EC84F9CA04E05759049FE</idno><idno type="DOI">10.1002/jpln.201100250</idno><idno type="ArticleID">JPLN201100250</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2012</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Bioenergy is becoming an important option in Global Change mitigation policy world‐wide. In agriculture, cultivation of energy crops for biodiesel, biogas, or bioethanol production received considerable attention in the past decades. Beyond this, the cultivation of Miscanthus, used as solid fuel for combustion, may lead to an increase in soil organic matter content compared to other agricultural land use, since C‐sequestration potential in soils of Miscanthus crops is high due to, e.g., high amounts of harvest residues. This may indirectly contribute to a reduction of atmospheric CO2 concentration. The objective of the present work was to investigate the development of soil organic carbon and Miscanthus‐derived C contents, as well as to estimate carbon stocks in soils cultivated with Miscanthus using 13C‐natural‐abundance technique. The investigations were carried out in relation to soil depth up to 150 cm in a sequence of 2, 5, and 16 y of cultivation relative to a reference soil cultivated with cereals. Amounts of total organic C (TOC) and Miscanthus‐derived C (Miscanthus‐C) increased with increasing duration of cultivation. For example, TOC increased from 12.8 to 21.3 g C kg–1 after 16 y of cultivation at the depth of 0–15 cm, whereby the portion of Miscanthus‐C reached 5.8 g C kg–1. Also within deeper soil layers down to 60 cm depth a significant enhancement of Miscanthus‐C was detectable even though TOC contents were not significantly enhanced. At soil depth below 60 cm, no significant differences between treatments were found for Miscanthus‐C. Within 16 y of continuous commercial farming, Miscanthus stands accumulated a total of 17.7 Mg C ha–1 derived from Miscanthus residues (C4‐C), which is equivalent to 1.1 Mg C4‐C ha–1 y–1. The annual surplus might function as CO2 credit within a greenhouse‐gas balance. Moreover, the beneficial properties of Miscanthus cultivation combined with a low requirement on fertilization may justify the status of Miscanthus as a sustainable low‐input bioenergy crop.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>energy crop</term></item><item><term>13C‐isotopic analysis</term></item><item><term>carbon stock</term></item><item><term>perennial crop</term></item><item><term>TOC</term></item><item><term>field conditions</term></item></list></keywords></textClass><textClass><keywords scheme="Journal Subject"><list><head>article-category</head><item><term>Regular Article</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2012-03-29">Registration</change><change when="2012-10">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/D480E9552F3641680E0EC84F9CA04E05759049FE/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>WILEY‐VCH Verlag</publisherName><publisherLoc>Weinheim</publisherLoc></publisherInfo><doi registered="yes">10.1002/(ISSN)1522-2624</doi><issn type="print">1436-8730</issn><issn type="electronic">1522-2624</issn><idGroup><id type="product" value="JPLN"></id></idGroup><titleGroup><title type="main" xml:lang="en" sort="JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE ZEITSCHRIFT FUER PFLANZENERNAEHRUNG UND BODENKUNDE">Journal of Plant Nutrition and Soil Science</title><title type="tocForm">Journal of Plant Nutrition and Soil Science / Zeitschrift für Pflanzenernährung und Bodenkunde</title><title type="short">Z. 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In agriculture, cultivation of energy crops for biodiesel, biogas, or bioethanol production received considerable attention in the past decades. Beyond this, the cultivation of <i>Miscanthus,</i> used as solid fuel for combustion, may lead to an increase in soil organic matter content compared to other agricultural land use, since C‐sequestration potential in soils of <i>Miscanthus</i> crops is high due to, <i>e.g.,</i> high amounts of harvest residues. This may indirectly contribute to a reduction of atmospheric CO<sub>2</sub> concentration. The objective of the present work was to investigate the development of soil organic carbon and <i>Miscanthus</i>‐derived C contents, as well as to estimate carbon stocks in soils cultivated with <i>Miscanthus</i> using <sup>13</sup>C‐natural‐abundance technique. The investigations were carried out in relation to soil depth up to 150 cm in a sequence of 2, 5, and 16 y of cultivation relative to a reference soil cultivated with cereals. Amounts of total organic C (TOC) and <i>Miscanthus</i>‐derived C (<i>Miscanthus</i>‐C) increased with increasing duration of cultivation. For example, TOC increased from 12.8 to 21.3 g C kg<sup>–1</sup> after 16 y of cultivation at the depth of 0–15 cm, whereby the portion of <i>Miscanthus</i>‐C reached 5.8 g C kg<sup>–1</sup>. Also within deeper soil layers down to 60 cm depth a significant enhancement of <i>Miscanthus</i>‐C was detectable even though TOC contents were not significantly enhanced. At soil depth below 60 cm, no significant differences between treatments were found for <i>Miscanthus</i>‐C. Within 16 y of continuous commercial farming, <i>Miscanthus</i> stands accumulated a total of 17.7 Mg C ha<sup>–1</sup> derived from <i>Miscanthus</i> residues (C4‐C), which is equivalent to 1.1 Mg C4‐C ha<sup>–1</sup> y<sup>–1</sup>. The annual surplus might function as CO<sub>2</sub> credit within a greenhouse‐gas balance. Moreover, the beneficial properties of <i>Miscanthus</i> cultivation combined with a low requirement on fertilization may justify the status of <i>Miscanthus</i> as a sustainable low‐input bioenergy crop.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Accumulation of Miscanthus‐derived carbon in soils in relation to soil depth and duration of land use under commercial farming conditions</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Accumulation of Miscanthus‐derived carbon in soils in relation to soil depth and duration of land use under commercial farming conditions</title></titleInfo><name type="personal"><namePart type="given">Daniel</namePart><namePart type="family">Felten</namePart><affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</affiliation><affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Christoph</namePart><namePart type="family">Emmerling</namePart><affiliation>Department of Soil Science, University Trier, Campus II, Behringstraße, 54296 Trier, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>WILEY‐VCH Verlag</publisher><place><placeTerm type="text">Weinheim</placeTerm></place><dateIssued encoding="w3cdtf">2012-10</dateIssued><dateValid encoding="w3cdtf">2012-03-29</dateValid><copyrightDate encoding="w3cdtf">2012</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">1</extent><extent unit="tables">5</extent><extent unit="references">37</extent></physicalDescription><abstract lang="en">Bioenergy is becoming an important option in Global Change mitigation policy world‐wide. In agriculture, cultivation of energy crops for biodiesel, biogas, or bioethanol production received considerable attention in the past decades. Beyond this, the cultivation of Miscanthus, used as solid fuel for combustion, may lead to an increase in soil organic matter content compared to other agricultural land use, since C‐sequestration potential in soils of Miscanthus crops is high due to, e.g., high amounts of harvest residues. This may indirectly contribute to a reduction of atmospheric CO2 concentration. The objective of the present work was to investigate the development of soil organic carbon and Miscanthus‐derived C contents, as well as to estimate carbon stocks in soils cultivated with Miscanthus using 13C‐natural‐abundance technique. The investigations were carried out in relation to soil depth up to 150 cm in a sequence of 2, 5, and 16 y of cultivation relative to a reference soil cultivated with cereals. Amounts of total organic C (TOC) and Miscanthus‐derived C (Miscanthus‐C) increased with increasing duration of cultivation. For example, TOC increased from 12.8 to 21.3 g C kg–1 after 16 y of cultivation at the depth of 0–15 cm, whereby the portion of Miscanthus‐C reached 5.8 g C kg–1. Also within deeper soil layers down to 60 cm depth a significant enhancement of Miscanthus‐C was detectable even though TOC contents were not significantly enhanced. At soil depth below 60 cm, no significant differences between treatments were found for Miscanthus‐C. Within 16 y of continuous commercial farming, Miscanthus stands accumulated a total of 17.7 Mg C ha–1 derived from Miscanthus residues (C4‐C), which is equivalent to 1.1 Mg C4‐C ha–1 y–1. The annual surplus might function as CO2 credit within a greenhouse‐gas balance. Moreover, the beneficial properties of Miscanthus cultivation combined with a low requirement on fertilization may justify the status of Miscanthus as a sustainable low‐input bioenergy crop.</abstract><note type="funding">German Research Foundation (DFG, Graduiertenkolleg 1319)</note><subject lang="en"><genre>keywords</genre><topic>energy crop</topic><topic>13C‐isotopic analysis</topic><topic>carbon stock</topic><topic>perennial crop</topic><topic>TOC</topic><topic>field conditions</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Plant Nutrition and Soil Science</title></titleInfo><titleInfo type="abbreviated"><title>Z. Pflanzenernähr. Bodenk.</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Regular Article</topic></subject><identifier type="ISSN">1436-8730</identifier><identifier type="eISSN">1522-2624</identifier><identifier type="DOI">10.1002/(ISSN)1522-2624</identifier><identifier type="PublisherID">JPLN</identifier><part><date>2012</date><detail type="volume"><caption>vol.</caption><number>175</number></detail><detail type="issue"><caption>no.</caption><number>5</number></detail><extent unit="pages"><start>661</start><end>670</end><total>10</total></extent></part></relatedItem><identifier type="istex">D480E9552F3641680E0EC84F9CA04E05759049FE</identifier><identifier type="DOI">10.1002/jpln.201100250</identifier><identifier type="ArticleID">JPLN201100250</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2012 WILEY‐VCH Verlag GmbH & Co. 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