MozartV1, PascalFrancis, Curation, bibRecord, 000098

Allocation and remobilisation of nitrogen in spring oilseed rape (Brassica napus L. cv. Mozart) as affected by N supply and elevated CO2

Identifieur interne : 000098 ( PascalFrancis/Curation ); précédent : 000097; suivant : 000099

Allocation and remobilisation of nitrogen in spring oilseed rape (Brassica napus L. cv. Mozart) as affected by N supply and elevated CO2

Auteurs : J. Franzaring [Allemagne] ; G. Gensheimer [Allemagne] ; S. Weller [Allemagne] ; I. Schmid [Allemagne] ; A. Fangmeier [Allemagne]

Source :

Environmental and experimental botany [ 0098-8472 ] ; 2012.

RBID : Pascal:12-0275151

Descripteurs français

Pascal (Inist)
- Facteur influence, Approvisionnement, Augmentation, Marquage isotopique, Rapport carbone azote, Efficacité nutriment, Relation source puits, Botanique, Brassica napus var. oleifera, Dioxyde de carbone, Remobilisation, Azote 15, Ecologie végétale.
Wicri :
- topic : Approvisionnement, Botanique.

English descriptors

KwdEn :
- Botany, Brassica napus var. oleifera, Carbon dioxide, Carbon nitrogen ratio, Increase, Influence factor, Isotope labelling, Nitrogen-15, Nutrient recovery, Plant ecology, Remobilization, Source sink relationship, Supply.

Abstract

CO₂ enrichment interacts with the resource economy of plants, but time-integrated studies on N partitioning between different plant parts, C:N ratios and N remobilisation are mostly lacking. The present study addressed the nitrogen use efficiency (NUE) in spring oilseed rape (OSR) grown at three N fertilisation levels and two CO₂ concentrations (380 vs. 550 μmol mol^-1). N was supplied in three equal gifts at sowing, stem elongation and flowering. One of these gifts was labelled with ¹⁵NH₄¹⁵NO₃ respectively. Six intermediate harvests and a final harvest were performed to determine dry mass, N concentrations. C:N, N recovery and δ¹⁵N signatures in the plant fractions root, main stem, branches, green and senescent leaves, pod walls and seeds. While N concentrations were lower and C:N higher in green leaves under CO₂ enrichment, more N remained in the root until the final harvest. Under ambient CO₂ concentrations the harvestable product (seeds) contained 50.7%. 44.5% and 41 % of the total N supplied in the treatments that received 75, 150 and 225 kg ha^-1 N, respectively. Under elevated CO₂ these values decreased to 47.4%, 34.5% and 15% reducing the NUE of the seeds by 2%, 33% and 65%, respectively. In CO₂ exposed amply fertilised plants much of the N remained in the side stems due to strongoutbranching and reduced seed set. However, N remobilisation was more affected by the different N supply than by the CO₂ enrichment. The boosted growth of OSR under high availability of disrupted the source :sink relationships so that benefits from the CO₂ enrichment on stem and root growth could not be realised by yield formation.

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A11	`01`	`1`		`@1 FRANZARING (J.)`
A11	`02`	`1`		`@1 GENSHEIMER (G.)`
A11	`03`	`1`		`@1 WELLER (S.)`
A11	`04`	`1`		`@1 SCHMID (I.)`
A11	`05`	`1`		`@1 FANGMEIER (A.)`
A14	`01`			`@1 Universität Hohenheim, Institut für Landschafts- und Pflanzenökologie (320), FG. Pflanzenökologie und Ökotoxikologie, Ökologiezentrum 2, August-von-Hartmann-Str. 3 @2 70599 Stuttgart @3 DEU @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut. @Z 5 aut.`
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A44				`@0 0000 @1 © 2012 INIST-CNRS. All rights reserved.`
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C01	`01`		`ENG`	@0 CO₂ enrichment interacts with the resource economy of plants, but time-integrated studies on N partitioning between different plant parts, C:N ratios and N remobilisation are mostly lacking. The present study addressed the nitrogen use efficiency (NUE) in spring oilseed rape (OSR) grown at three N fertilisation levels and two CO₂ concentrations (380 vs. 550 μmol mol^-1). N was supplied in three equal gifts at sowing, stem elongation and flowering. One of these gifts was labelled with ¹⁵NH₄¹⁵NO₃ respectively. Six intermediate harvests and a final harvest were performed to determine dry mass, N concentrations. C:N, N recovery and δ¹⁵N signatures in the plant fractions root, main stem, branches, green and senescent leaves, pod walls and seeds. While N concentrations were lower and C:N higher in green leaves under CO₂ enrichment, more N remained in the root until the final harvest. Under ambient CO₂ concentrations the harvestable product (seeds) contained 50.7%. 44.5% and 41 % of the total N supplied in the treatments that received 75, 150 and 225 kg ha^-1 N, respectively. Under elevated CO₂ these values decreased to 47.4%, 34.5% and 15% reducing the NUE of the seeds by 2%, 33% and 65%, respectively. In CO₂ exposed amply fertilised plants much of the N remained in the side stems due to strongoutbranching and reduced seed set. However, N remobilisation was more affected by the different N supply than by the CO₂ enrichment. The boosted growth of OSR under high availability of disrupted the source :sink relationships so that benefits from the CO₂ enrichment on stem and root growth could not be realised by yield formation.
C02	`01`	`X`		`@0 002A`
C03	`01`	`X`	`FRE`	`@0 Facteur influence @5 01`
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C03	`01`	`X`	`SPA`	`@0 Factor influencia @5 01`
C03	`02`	`X`	`FRE`	`@0 Approvisionnement @5 02`
C03	`02`	`X`	`ENG`	`@0 Supply @5 02`
C03	`02`	`X`	`SPA`	`@0 Aprovisionamiento @5 02`
C03	`03`	`X`	`FRE`	`@0 Augmentation @5 03`
C03	`03`	`X`	`ENG`	`@0 Increase @5 03`
C03	`03`	`X`	`SPA`	`@0 Aumentación @5 03`
C03	`04`	`X`	`FRE`	`@0 Marquage isotopique @5 04`
C03	`04`	`X`	`ENG`	`@0 Isotope labelling @5 04`
C03	`04`	`X`	`SPA`	`@0 Marcación isotópica @5 04`
C03	`05`	`X`	`FRE`	`@0 Rapport carbone azote @5 05`
C03	`05`	`X`	`ENG`	`@0 Carbon nitrogen ratio @5 05`
C03	`05`	`X`	`SPA`	`@0 Relación carbono nitrógeno @5 05`
C03	`06`	`X`	`FRE`	`@0 Efficacité nutriment @5 06`
C03	`06`	`X`	`ENG`	`@0 Nutrient recovery @5 06`
C03	`06`	`X`	`SPA`	`@0 Eficacia nutrimento @5 06`
C03	`07`	`X`	`FRE`	`@0 Relation source puits @5 07`
C03	`07`	`X`	`ENG`	`@0 Source sink relationship @5 07`
C03	`07`	`X`	`SPA`	`@0 Relación fuente sumidero @5 07`
C03	`08`	`X`	`FRE`	`@0 Botanique @5 08`
C03	`08`	`X`	`ENG`	`@0 Botany @5 08`
C03	`08`	`X`	`SPA`	`@0 Botánica @5 08`
C03	`09`	`X`	`FRE`	`@0 Brassica napus var. oleifera @2 NS @5 10`
C03	`09`	`X`	`ENG`	`@0 Brassica napus var. oleifera @2 NS @5 10`
C03	`09`	`X`	`SPA`	`@0 Brassica napus var. oleifera @2 NS @5 10`
C03	`10`	`X`	`FRE`	`@0 Dioxyde de carbone @2 NK @2 FX @5 15`
C03	`10`	`X`	`ENG`	`@0 Carbon dioxide @2 NK @2 FX @5 15`
C03	`10`	`X`	`SPA`	`@0 Carbono dióxido @2 NK @2 FX @5 15`
C03	`11`	`X`	`FRE`	`@0 Remobilisation @4 CD @5 96`
C03	`11`	`X`	`ENG`	`@0 Remobilization @4 CD @5 96`
C03	`11`	`X`	`SPA`	`@0 Remobilización @4 CD @5 96`
C03	`12`	`X`	`FRE`	`@0 Azote 15 @4 CD @5 97`
C03	`12`	`X`	`ENG`	`@0 Nitrogen-15 @4 CD @5 97`
C03	`12`	`X`	`SPA`	`@0 Nitrógeno-15 @4 CD @5 97`
C03	`13`	`X`	`FRE`	`@0 Ecologie végétale @4 CD @5 98`
C03	`13`	`X`	`ENG`	`@0 Plant ecology @4 CD @5 98`
C03	`13`	`X`	`SPA`	`@0 Ecología vegetal @4 CD @5 98`
C07	`01`	`X`	`FRE`	`@0 Cruciferae @2 NS`
C07	`01`	`X`	`ENG`	`@0 Cruciferae @2 NS`
C07	`01`	`X`	`SPA`	`@0 Cruciferae @2 NS`
C07	`02`	`X`	`FRE`	`@0 Dicotyledones @2 NS`
C07	`02`	`X`	`ENG`	`@0 Dicotyledones @2 NS`
C07	`02`	`X`	`SPA`	`@0 Dicotyledones @2 NS`
C07	`03`	`X`	`FRE`	`@0 Angiospermae @2 NS`
C07	`03`	`X`	`ENG`	`@0 Angiospermae @2 NS`
C07	`03`	`X`	`SPA`	`@0 Angiospermae @2 NS`
C07	`04`	`X`	`FRE`	`@0 Spermatophyta @2 NS`
C07	`04`	`X`	`ENG`	`@0 Spermatophyta @2 NS`
C07	`04`	`X`	`SPA`	`@0 Spermatophyta @2 NS`
C07	`05`	`X`	`FRE`	`@0 Plante oléagineuse @5 31`
C07	`05`	`X`	`ENG`	`@0 Oil plant (vegetal) @5 31`
C07	`05`	`X`	`SPA`	`@0 Planta oleaginosa @5 31`
N21				`@1 205`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

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Pascal:12-0275151

Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Allocation and remobilisation of nitrogen in spring oilseed rape (Brassica napus L. cv. Mozart) as affected by N supply and elevated CO<sub>2</sub>
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<author><name sortKey="Franzaring, J" sort="Franzaring, J" uniqKey="Franzaring J" first="J." last="Franzaring">J. Franzaring</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Universität Hohenheim, Institut für Landschafts- und Pflanzenökologie (320), FG. Pflanzenökologie und Ökotoxikologie, Ökologiezentrum 2, August-von-Hartmann-Str. 3</s1>
<s2>70599 Stuttgart</s2>
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<author><name sortKey="Gensheimer, G" sort="Gensheimer, G" uniqKey="Gensheimer G" first="G." last="Gensheimer">G. Gensheimer</name>
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<author><name sortKey="Weller, S" sort="Weller, S" uniqKey="Weller S" first="S." last="Weller">S. Weller</name>
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<s2>70599 Stuttgart</s2>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Botany</term>
<term>Brassica napus var. oleifera</term>
<term>Carbon dioxide</term>
<term>Carbon nitrogen ratio</term>
<term>Increase</term>
<term>Influence factor</term>
<term>Isotope labelling</term>
<term>Nitrogen-15</term>
<term>Nutrient recovery</term>
<term>Plant ecology</term>
<term>Remobilization</term>
<term>Source sink relationship</term>
<term>Supply</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Facteur influence</term>
<term>Approvisionnement</term>
<term>Augmentation</term>
<term>Marquage isotopique</term>
<term>Rapport carbone azote</term>
<term>Efficacité nutriment</term>
<term>Relation source puits</term>
<term>Botanique</term>
<term>Brassica napus var. oleifera</term>
<term>Dioxyde de carbone</term>
<term>Remobilisation</term>
<term>Azote 15</term>
<term>Ecologie végétale</term>
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<front><div type="abstract" xml:lang="en">CO<sub>2</sub>
 enrichment interacts with the resource economy of plants, but time-integrated studies on N partitioning between different plant parts, C:N ratios and N remobilisation are mostly lacking. The present study addressed the nitrogen use efficiency (NUE) in spring oilseed rape (OSR) grown at three N fertilisation levels and two CO<sub>2</sub>
 concentrations (380 vs. 550 μmol mol<sup>-1</sup>
). N was supplied in three equal gifts at sowing, stem elongation and flowering. One of these gifts was labelled with <sup>15</sup>
NH<sub>4</sub>
<sup>15</sup>
NO<sub>3</sub>
 respectively. Six intermediate harvests and a final harvest were performed to determine dry mass, N concentrations. C:N, N recovery and δ<sup>15</sup>
N signatures in the plant fractions root, main stem, branches, green and senescent leaves, pod walls and seeds. While N concentrations were lower and C:N higher in green leaves under CO<sub>2</sub>
 enrichment, more N remained in the root until the final harvest. Under ambient CO<sub>2</sub>
 concentrations the harvestable product (seeds) contained 50.7%. 44.5% and 41 % of the total N supplied in the treatments that received 75, 150 and 225 kg ha<sup>-1</sup>
 N, respectively. Under elevated CO<sub>2</sub>
 these values decreased to 47.4%, 34.5% and 15% reducing the NUE of the seeds by 2%, 33% and 65%, respectively. In CO<sub>2</sub>
 exposed amply fertilised plants much of the N remained in the side stems due to strongoutbranching and reduced seed set. However, N remobilisation was more affected by the different N supply than by the CO<sub>2</sub>
 enrichment. The boosted growth of OSR under high availability of disrupted the source :sink relationships so that benefits from the CO<sub>2</sub>
 enrichment on stem and root growth could not be realised by yield formation.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Allocation and remobilisation of nitrogen in spring oilseed rape (Brassica napus L. cv. Mozart) as affected by N supply and elevated CO<sub>2</sub>
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<fA14 i1="01"><s1>Universität Hohenheim, Institut für Landschafts- und Pflanzenökologie (320), FG. Pflanzenökologie und Ökotoxikologie, Ökologiezentrum 2, August-von-Hartmann-Str. 3</s1>
<s2>70599 Stuttgart</s2>
<s3>DEU</s3>
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<s2>9462</s2>
<s5>354000507981080020</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2012 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>3/4 p.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>12-0275151</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Environmental and experimental botany</s0>
</fA64>
<fA66 i1="01"><s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>CO<sub>2</sub>
 enrichment interacts with the resource economy of plants, but time-integrated studies on N partitioning between different plant parts, C:N ratios and N remobilisation are mostly lacking. The present study addressed the nitrogen use efficiency (NUE) in spring oilseed rape (OSR) grown at three N fertilisation levels and two CO<sub>2</sub>
 concentrations (380 vs. 550 μmol mol<sup>-1</sup>
). N was supplied in three equal gifts at sowing, stem elongation and flowering. One of these gifts was labelled with <sup>15</sup>
NH<sub>4</sub>
<sup>15</sup>
NO<sub>3</sub>
 respectively. Six intermediate harvests and a final harvest were performed to determine dry mass, N concentrations. C:N, N recovery and δ<sup>15</sup>
N signatures in the plant fractions root, main stem, branches, green and senescent leaves, pod walls and seeds. While N concentrations were lower and C:N higher in green leaves under CO<sub>2</sub>
 enrichment, more N remained in the root until the final harvest. Under ambient CO<sub>2</sub>
 concentrations the harvestable product (seeds) contained 50.7%. 44.5% and 41 % of the total N supplied in the treatments that received 75, 150 and 225 kg ha<sup>-1</sup>
 N, respectively. Under elevated CO<sub>2</sub>
 these values decreased to 47.4%, 34.5% and 15% reducing the NUE of the seeds by 2%, 33% and 65%, respectively. In CO<sub>2</sub>
 exposed amply fertilised plants much of the N remained in the side stems due to strongoutbranching and reduced seed set. However, N remobilisation was more affected by the different N supply than by the CO<sub>2</sub>
 enrichment. The boosted growth of OSR under high availability of disrupted the source :sink relationships so that benefits from the CO<sub>2</sub>
 enrichment on stem and root growth could not be realised by yield formation.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Facteur influence</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Influence factor</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Factor influencia</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Approvisionnement</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Supply</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Aprovisionamiento</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Augmentation</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Increase</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Aumentación</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Marquage isotopique</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Isotope labelling</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Marcación isotópica</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Rapport carbone azote</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Carbon nitrogen ratio</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Relación carbono nitrógeno</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Efficacité nutriment</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Nutrient recovery</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Eficacia nutrimento</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Relation source puits</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Source sink relationship</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Relación fuente sumidero</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Botanique</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Botany</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Botánica</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Brassica napus var. oleifera</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Brassica napus var. oleifera</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Brassica napus var. oleifera</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Dioxyde de carbone</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Carbon dioxide</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Carbono dióxido</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Remobilisation</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Remobilization</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Remobilización</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Azote 15</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Nitrogen-15</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Nitrógeno-15</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Ecologie végétale</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Plant ecology</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Ecología vegetal</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Cruciferae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Cruciferae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Cruciferae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Plante oléagineuse</s0>
<s5>31</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Oil plant (vegetal)</s0>
<s5>31</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Planta oleaginosa</s0>
<s5>31</s5>
</fC07>
<fN21><s1>205</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
</record>

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Allocation and remobilisation of nitrogen in spring oilseed rape (Brassica napus L. cv. Mozart) as affected by N supply and elevated CO2

Allocation and remobilisation of nitrogen in spring oilseed rape (Brassica napus L. cv. Mozart) as affected by N supply and elevated CO2

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