OrangerV1, PascalFrancis, Corpus, bibRecord, 000715

Effects of 15N application frequency on nitrogen uptake efficiency in Citrus trees

Identifieur interne : 000715 ( PascalFrancis/Corpus ); précédent : 000714; suivant : 000716

Effects of 15N application frequency on nitrogen uptake efficiency in Citrus trees

Auteurs : Ana Quinones ; Josefina Banuls ; Eduardo Primo Millo ; Francisco Legaz

Source :

Journal of plant physiology [ 0176-1617 ] ; 2003.

RBID : Pascal:04-0058645

Descripteurs français

Pascal (Inist)
- Efficacité nutriment, Racine, Absorption, Fractionnement isotopique, Comparaison interspécifique, Fertilisation azotée, Irrigation, Noyage, Engorgement sol, Citrus sinensis, Nitrate, Sol sableux loameux, Modalité traitement, Exigence, Fertilisation raisonnée, Citrus sinensis Poncirus trifoliata, Azote 15, IRRIGATION GOUTTE A GOUTTE.

English descriptors

KwdEn :
- Absorption, Application method, Balanced fertilization, Citrus sinensis, Flooding, Interspecific comparison, Irrigation, Isotopic fractionation, Nitrates, Nitrogen fertilization, Nutrient recovery, Requirement, Root, Sandy loam soil, TRICKLE IRRIGATION, Waterlogging (soil).

Abstract

Two irrigation systems were used to compare nitrogen uptake efficiency in citrus trees and to evaluate the NO₃- runoff in «Navelina» orange trees [Citrus sinensis (L.) Osbeck] on Carrizo citrange rootstock (Citrus sinensis x Poncirus trifoliata Raf.). These were fertilized with 125 g N as labelled K¹⁵NO₃ and grown outdoors in containers filled with a sand-loamy soil. Two groups of 3 trees received this N dose either in five equally split applications by a flooding irrigation system or in 66 applications by drip. Trees were harvested at the end of the vegetative cycle (December) and the isotopic ratios of ¹⁵N/¹⁴N were measured in the soil-plant system. The N uptake efficiency of the whole tree was higher with drip irrigation (75%) than with flooding system (64%) In the 0-90cm soil profile, the N immobilized in the organic fraction was similar for both irrigation methods (around 13 %), whereas the N retained as NO₃- was 1% of the N applied under drip and 10% under flooding. In the last case, most of NO₃- remained under root system and it could be lost to leaching either by heavy rainfalls or excessive water applications. These results showed that a drip irrigation system was more efficient for improving water use and N uptake from fertilizer, in addition to potentially reduced leaching losses.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A02	`01`			`@0 JPPHEY`
A03		`1`		`@0 J. plant physiol.`
A05				`@2 160`
A06				`@2 12`
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A09	`01`	`1`	`ENG`	`@1 Plant nutrition`
A11	`01`	`1`		`@1 QUINONES (Ana)`
A11	`02`	`1`		`@1 BANULS (Josefina)`
A11	`03`	`1`		`@1 PRIMO MILLO (Eduardo)`
A11	`04`	`1`		`@1 LEGAZ (Francisco)`
A14	`01`			`@1 Departamento de Citricultura y otros Frutales, Instituto Valenciano de Investigaciones Agrarias (I.V.I.A.), Carretera Moncada-Náquera, km 4.5. @2 46113, Moncada (Valencia) @3 ESP @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut.`
A18	`01`	`1`		`@1 Federation of European Societies of Plant Biology (FESPB). Spanish Society of Plant Physiology @3 INC @9 patr.`
A20				`@1 1429-1434`
A21				`@1 2003`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 922 @5 354000116054420020`
A44				`@0 0000 @1 © 2004 INIST-CNRS. All rights reserved.`
A45				`@0 23 ref.`
A47	`01`	`1`		`@0 04-0058645`
A60				`@1 P @2 C`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal of plant physiology`
A66	`01`			`@0 DEU`
C01	`01`		`ENG`	@0 Two irrigation systems were used to compare nitrogen uptake efficiency in citrus trees and to evaluate the NO₃- runoff in «Navelina» orange trees [Citrus sinensis (L.) Osbeck] on Carrizo citrange rootstock (Citrus sinensis x Poncirus trifoliata Raf.). These were fertilized with 125 g N as labelled K¹⁵NO₃ and grown outdoors in containers filled with a sand-loamy soil. Two groups of 3 trees received this N dose either in five equally split applications by a flooding irrigation system or in 66 applications by drip. Trees were harvested at the end of the vegetative cycle (December) and the isotopic ratios of ¹⁵N/¹⁴N were measured in the soil-plant system. The N uptake efficiency of the whole tree was higher with drip irrigation (75%) than with flooding system (64%) In the 0-90cm soil profile, the N immobilized in the organic fraction was similar for both irrigation methods (around 13 %), whereas the N retained as NO₃- was 1% of the N applied under drip and 10% under flooding. In the last case, most of NO₃- remained under root system and it could be lost to leaching either by heavy rainfalls or excessive water applications. These results showed that a drip irrigation system was more efficient for improving water use and N uptake from fertilizer, in addition to potentially reduced leaching losses.
C02	`01`	`X`		`@0 002A32C02C1`
C03	`01`	`X`	`FRE`	`@0 Efficacité nutriment @5 01`
C03	`01`	`X`	`ENG`	`@0 Nutrient recovery @5 01`
C03	`01`	`X`	`SPA`	`@0 Eficacia nutrimento @5 01`
C03	`02`	`X`	`FRE`	`@0 Racine @5 02`
C03	`02`	`X`	`ENG`	`@0 Root @5 02`
C03	`02`	`X`	`SPA`	`@0 Raíz @5 02`
C03	`03`	`X`	`FRE`	`@0 Absorption @5 03`
C03	`03`	`X`	`ENG`	`@0 Absorption @5 03`
C03	`03`	`X`	`SPA`	`@0 Absorción @5 03`
C03	`04`	`X`	`FRE`	`@0 Fractionnement isotopique @5 04`
C03	`04`	`X`	`ENG`	`@0 Isotopic fractionation @5 04`
C03	`04`	`X`	`SPA`	`@0 Fraccionamiento isotópico @5 04`
C03	`05`	`X`	`FRE`	`@0 Comparaison interspécifique @5 05`
C03	`05`	`X`	`ENG`	`@0 Interspecific comparison @5 05`
C03	`05`	`X`	`SPA`	`@0 Comparación interespecífica @5 05`
C03	`06`	`X`	`FRE`	`@0 Fertilisation azotée @5 06`
C03	`06`	`X`	`ENG`	`@0 Nitrogen fertilization @5 06`
C03	`06`	`X`	`SPA`	`@0 Fertilización nitrogenada @5 06`
C03	`07`	`X`	`FRE`	`@0 Irrigation @5 07`
C03	`07`	`X`	`ENG`	`@0 Irrigation @5 07`
C03	`07`	`X`	`SPA`	`@0 Irrigación @5 07`
C03	`08`	`X`	`FRE`	`@0 Noyage @5 08`
C03	`08`	`X`	`ENG`	`@0 Flooding @5 08`
C03	`08`	`X`	`SPA`	`@0 Inundación @5 08`
C03	`09`	`X`	`FRE`	`@0 Engorgement sol @5 09`
C03	`09`	`X`	`ENG`	`@0 Waterlogging (soil) @5 09`
C03	`09`	`X`	`SPA`	`@0 Anegamiento suelo @5 09`
C03	`10`	`X`	`FRE`	`@0 Citrus sinensis @2 NS @5 10`
C03	`10`	`X`	`ENG`	`@0 Citrus sinensis @2 NS @5 10`
C03	`10`	`X`	`SPA`	`@0 Citrus sinensis @2 NS @5 10`
C03	`11`	`X`	`FRE`	`@0 Nitrate @2 NA @2 FX @5 15`
C03	`11`	`X`	`ENG`	`@0 Nitrates @2 NA @2 FX @5 15`
C03	`11`	`X`	`SPA`	`@0 Nitrato @2 NA @2 FX @5 15`
C03	`12`	`X`	`FRE`	`@0 Sol sableux loameux @2 NT @5 24`
C03	`12`	`X`	`ENG`	`@0 Sandy loam soil @2 NT @5 24`
C03	`12`	`X`	`SPA`	`@0 Suelo franco arenoso @2 NT @5 24`
C03	`13`	`X`	`FRE`	`@0 Modalité traitement @5 33`
C03	`13`	`X`	`ENG`	`@0 Application method @5 33`
C03	`13`	`X`	`SPA`	`@0 Modalidad tratamiento @5 33`
C03	`14`	`X`	`FRE`	`@0 Exigence @5 34`
C03	`14`	`X`	`ENG`	`@0 Requirement @5 34`
C03	`14`	`X`	`SPA`	`@0 Exigencia @5 34`
C03	`15`	`X`	`FRE`	`@0 Fertilisation raisonnée @5 35`
C03	`15`	`X`	`ENG`	`@0 Balanced fertilization @5 35`
C03	`15`	`X`	`SPA`	`@0 Fertilización razonada @5 35`
C03	`16`	`X`	`FRE`	`@0 Citrus sinensis Poncirus trifoliata @4 INC @5 72`
C03	`17`	`X`	`FRE`	`@0 Azote 15 @2 FF @4 INC @5 82`
C03	`18`	`X`	`FRE`	`@0 IRRIGATION GOUTTE A GOUTTE @4 CD @5 98`
C03	`18`	`X`	`ENG`	`@0 TRICKLE IRRIGATION @4 CD @5 98`
C03	`18`	`X`	`SPA`	`@0 RIEGO POR GOTEO @4 CD @5 98`
C07	`01`	`X`	`FRE`	`@0 Rutaceae @2 NS`
C07	`01`	`X`	`ENG`	`@0 Rutaceae @2 NS`
C07	`01`	`X`	`SPA`	`@0 Rutaceae @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 Agrume @5 39`
C07	`05`	`X`	`ENG`	`@0 Citrus fruit @5 39`
C07	`05`	`X`	`SPA`	`@0 Agrios @5 39`
C07	`06`	`X`	`FRE`	`@0 Azote @2 NC @5 50`
C07	`06`	`X`	`ENG`	`@0 Nitrogen @2 NC @5 50`
C07	`06`	`X`	`SPA`	`@0 Nitrógeno @2 NC @5 50`
C07	`07`	`X`	`FRE`	`@0 Elément minéral @5 51`
C07	`07`	`X`	`ENG`	`@0 Inorganic element @5 51`
C07	`07`	`X`	`SPA`	`@0 Elemento inorgánico @5 51`
C07	`08`	`X`	`FRE`	`@0 Azote Isotope @2 NC @2 NA @5 52`
C07	`08`	`X`	`ENG`	`@0 Nitrogen Isotopes @2 NC @2 NA @5 52`
C07	`08`	`X`	`SPA`	`@0 Nitrógeno Isótopo @2 NC @2 NA @5 52`
C07	`09`	`X`	`FRE`	`@0 Traceur @5 53`
C07	`09`	`X`	`ENG`	`@0 Tracers @5 53`
C07	`09`	`X`	`SPA`	`@0 Trazador @5 53`
N21				`@1 040`
N82				`@1 PSI`

A30	`01`	`1`	`ENG`	`@1 Iberic Symposium on Plant Mineral Nutrition @2 9 @3 Zaragoza ESP @4 2002-09-10`

Format Inist (serveur)

NO :	PASCAL 04-0058645 INIST
ET :	Effects of ¹⁵N application frequency on nitrogen uptake efficiency in Citrus trees
AU :	QUINONES (Ana); BANULS (Josefina); PRIMO MILLO (Eduardo); LEGAZ (Francisco)
AF :	Departamento de Citricultura y otros Frutales, Instituto Valenciano de Investigaciones Agrarias (I.V.I.A.), Carretera Moncada-Náquera, km 4.5./46113, Moncada (Valencia)/Espagne (1 aut., 2 aut., 3 aut., 4 aut.)
DT :	Publication en série; Congrès; Niveau analytique
SO :	Journal of plant physiology; ISSN 0176-1617; Coden JPPHEY; Allemagne; Da. 2003; Vol. 160; No. 12; Pp. 1429-1434; Bibl. 23 ref.
LA :	Anglais
EA :	Two irrigation systems were used to compare nitrogen uptake efficiency in citrus trees and to evaluate the NO₃- runoff in «Navelina» orange trees [Citrus sinensis (L.) Osbeck] on Carrizo citrange rootstock (Citrus sinensis x Poncirus trifoliata Raf.). These were fertilized with 125 g N as labelled K¹⁵NO₃ and grown outdoors in containers filled with a sand-loamy soil. Two groups of 3 trees received this N dose either in five equally split applications by a flooding irrigation system or in 66 applications by drip. Trees were harvested at the end of the vegetative cycle (December) and the isotopic ratios of ¹⁵N/¹⁴N were measured in the soil-plant system. The N uptake efficiency of the whole tree was higher with drip irrigation (75%) than with flooding system (64%) In the 0-90cm soil profile, the N immobilized in the organic fraction was similar for both irrigation methods (around 13 %), whereas the N retained as NO₃- was 1% of the N applied under drip and 10% under flooding. In the last case, most of NO₃- remained under root system and it could be lost to leaching either by heavy rainfalls or excessive water applications. These results showed that a drip irrigation system was more efficient for improving water use and N uptake from fertilizer, in addition to potentially reduced leaching losses.
CC :	002A32C02C1
FD :	Efficacité nutriment; Racine; Absorption; Fractionnement isotopique; Comparaison interspécifique; Fertilisation azotée; Irrigation; Noyage; Engorgement sol; Citrus sinensis; Nitrate; Sol sableux loameux; Modalité traitement; Exigence; Fertilisation raisonnée; Citrus sinensis Poncirus trifoliata; Azote 15; IRRIGATION GOUTTE A GOUTTE
FG :	Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Agrume; Azote; Elément minéral; Azote Isotope; Traceur
ED :	Nutrient recovery; Root; Absorption; Isotopic fractionation; Interspecific comparison; Nitrogen fertilization; Irrigation; Flooding; Waterlogging (soil); Citrus sinensis; Nitrates; Sandy loam soil; Application method; Requirement; Balanced fertilization; TRICKLE IRRIGATION
EG :	Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Citrus fruit; Nitrogen; Inorganic element; Nitrogen Isotopes; Tracers
SD :	Eficacia nutrimento; Raíz; Absorción; Fraccionamiento isotópico; Comparación interespecífica; Fertilización nitrogenada; Irrigación; Inundación; Anegamiento suelo; Citrus sinensis; Nitrato; Suelo franco arenoso; Modalidad tratamiento; Exigencia; Fertilización razonada; RIEGO POR GOTEO
LO :	INIST-922.354000116054420020
ID :	04-0058645

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Pascal:04-0058645

Le document en format XML

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N application frequency on nitrogen uptake efficiency in Citrus trees</title>
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N application frequency on nitrogen uptake efficiency in Citrus trees</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption</term>
<term>Application method</term>
<term>Balanced fertilization</term>
<term>Citrus sinensis</term>
<term>Flooding</term>
<term>Interspecific comparison</term>
<term>Irrigation</term>
<term>Isotopic fractionation</term>
<term>Nitrates</term>
<term>Nitrogen fertilization</term>
<term>Nutrient recovery</term>
<term>Requirement</term>
<term>Root</term>
<term>Sandy loam soil</term>
<term>TRICKLE IRRIGATION</term>
<term>Waterlogging (soil)</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Efficacité nutriment</term>
<term>Racine</term>
<term>Absorption</term>
<term>Fractionnement isotopique</term>
<term>Comparaison interspécifique</term>
<term>Fertilisation azotée</term>
<term>Irrigation</term>
<term>Noyage</term>
<term>Engorgement sol</term>
<term>Citrus sinensis</term>
<term>Nitrate</term>
<term>Sol sableux loameux</term>
<term>Modalité traitement</term>
<term>Exigence</term>
<term>Fertilisation raisonnée</term>
<term>Citrus sinensis  Poncirus trifoliata</term>
<term>Azote 15</term>
<term>IRRIGATION GOUTTE A GOUTTE</term>
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<front><div type="abstract" xml:lang="en">Two irrigation systems were used to compare nitrogen uptake efficiency in citrus trees and to evaluate the NO<sub>3</sub>
- runoff in «Navelina» orange trees [Citrus sinensis (L.) Osbeck] on Carrizo citrange rootstock (Citrus sinensis x Poncirus trifoliata Raf.). These were fertilized with 125 g N as labelled K<sup>15</sup>
NO<sub>3</sub>
 and grown outdoors in containers filled with a sand-loamy soil. Two groups of 3 trees received this N dose either in five equally split applications by a flooding irrigation system or in 66 applications by drip. Trees were harvested at the end of the vegetative cycle (December) and the isotopic ratios of <sup>15</sup>
N/<sup>14</sup>
N were measured in the soil-plant system. The N uptake efficiency of the whole tree was higher with drip irrigation (75%) than with flooding system (64%) In the 0-90cm soil profile, the N immobilized in the organic fraction was similar for both irrigation methods (around 13 %), whereas the N retained as NO<sub>3</sub>
- was 1% of the N applied under drip and 10% under flooding. In the last case, most of NO<sub>3</sub>
- remained under root system and it could be lost to leaching either by heavy rainfalls or excessive water applications. These results showed that a drip irrigation system was more efficient for improving water use and N uptake from fertilizer, in addition to potentially reduced leaching losses.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0176-1617</s0>
</fA01>
<fA02 i1="01"><s0>JPPHEY</s0>
</fA02>
<fA03 i2="1"><s0>J. plant physiol.</s0>
</fA03>
<fA05><s2>160</s2>
</fA05>
<fA06><s2>12</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Effects of <sup>15</sup>
N application frequency on nitrogen uptake efficiency in Citrus trees</s1>
</fA08>
<fA09 i1="01" i2="1" l="ENG"><s1>Plant nutrition</s1>
</fA09>
<fA11 i1="01" i2="1"><s1>QUINONES (Ana)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>BANULS (Josefina)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>PRIMO MILLO (Eduardo)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>LEGAZ (Francisco)</s1>
</fA11>
<fA14 i1="01"><s1>Departamento de Citricultura y otros Frutales, Instituto Valenciano de Investigaciones Agrarias (I.V.I.A.), Carretera Moncada-Náquera, km 4.5.</s1>
<s2>46113, Moncada (Valencia)</s2>
<s3>ESP</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
</fA14>
<fA18 i1="01" i2="1"><s1>Federation of European Societies of Plant Biology (FESPB). Spanish Society of Plant Physiology</s1>
<s3>INC</s3>
<s9>patr.</s9>
</fA18>
<fA20><s1>1429-1434</s1>
</fA20>
<fA21><s1>2003</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>922</s2>
<s5>354000116054420020</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2004 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>23 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>04-0058645</s0>
</fA47>
<fA60><s1>P</s1>
<s2>C</s2>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal of plant physiology</s0>
</fA64>
<fA66 i1="01"><s0>DEU</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Two irrigation systems were used to compare nitrogen uptake efficiency in citrus trees and to evaluate the NO<sub>3</sub>
- runoff in «Navelina» orange trees [Citrus sinensis (L.) Osbeck] on Carrizo citrange rootstock (Citrus sinensis x Poncirus trifoliata Raf.). These were fertilized with 125 g N as labelled K<sup>15</sup>
NO<sub>3</sub>
 and grown outdoors in containers filled with a sand-loamy soil. Two groups of 3 trees received this N dose either in five equally split applications by a flooding irrigation system or in 66 applications by drip. Trees were harvested at the end of the vegetative cycle (December) and the isotopic ratios of <sup>15</sup>
N/<sup>14</sup>
N were measured in the soil-plant system. The N uptake efficiency of the whole tree was higher with drip irrigation (75%) than with flooding system (64%) In the 0-90cm soil profile, the N immobilized in the organic fraction was similar for both irrigation methods (around 13 %), whereas the N retained as NO<sub>3</sub>
- was 1% of the N applied under drip and 10% under flooding. In the last case, most of NO<sub>3</sub>
- remained under root system and it could be lost to leaching either by heavy rainfalls or excessive water applications. These results showed that a drip irrigation system was more efficient for improving water use and N uptake from fertilizer, in addition to potentially reduced leaching losses.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A32C02C1</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Efficacité nutriment</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Nutrient recovery</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Eficacia nutrimento</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Racine</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Root</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Raíz</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Absorption</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Absorption</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Absorción</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Fractionnement isotopique</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Isotopic fractionation</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Fraccionamiento isotópico</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Comparaison interspécifique</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Interspecific comparison</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Comparación interespecífica</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Fertilisation azotée</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Nitrogen fertilization</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Fertilización nitrogenada</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Irrigation</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Irrigation</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Irrigación</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Noyage</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Flooding</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Inundación</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Engorgement sol</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Waterlogging (soil)</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Anegamiento suelo</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Nitrate</s0>
<s2>NA</s2>
<s2>FX</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Nitrates</s0>
<s2>NA</s2>
<s2>FX</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Nitrato</s0>
<s2>NA</s2>
<s2>FX</s2>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Sol sableux loameux</s0>
<s2>NT</s2>
<s5>24</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Sandy loam soil</s0>
<s2>NT</s2>
<s5>24</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Suelo franco arenoso</s0>
<s2>NT</s2>
<s5>24</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Modalité traitement</s0>
<s5>33</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Application method</s0>
<s5>33</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Modalidad tratamiento</s0>
<s5>33</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Exigence</s0>
<s5>34</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Requirement</s0>
<s5>34</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Exigencia</s0>
<s5>34</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Fertilisation raisonnée</s0>
<s5>35</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Balanced fertilization</s0>
<s5>35</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Fertilización razonada</s0>
<s5>35</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Citrus sinensis  Poncirus trifoliata</s0>
<s4>INC</s4>
<s5>72</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Azote 15</s0>
<s2>FF</s2>
<s4>INC</s4>
<s5>82</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE"><s0>IRRIGATION GOUTTE A GOUTTE</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC03 i1="18" i2="X" l="ENG"><s0>TRICKLE IRRIGATION</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC03 i1="18" i2="X" l="SPA"><s0>RIEGO POR GOTEO</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Rutaceae</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>Agrume</s0>
<s5>39</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>39</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Agrios</s0>
<s5>39</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Azote</s0>
<s2>NC</s2>
<s5>50</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Nitrogen</s0>
<s2>NC</s2>
<s5>50</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Nitrógeno</s0>
<s2>NC</s2>
<s5>50</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Elément minéral</s0>
<s5>51</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Inorganic element</s0>
<s5>51</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Elemento inorgánico</s0>
<s5>51</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Azote Isotope</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>52</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Nitrogen Isotopes</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>52</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Nitrógeno Isótopo</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>52</s5>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Traceur</s0>
<s5>53</s5>
</fC07>
<fC07 i1="09" i2="X" l="ENG"><s0>Tracers</s0>
<s5>53</s5>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Trazador</s0>
<s5>53</s5>
</fC07>
<fN21><s1>040</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>Iberic Symposium on Plant Mineral Nutrition</s1>
<s2>9</s2>
<s3>Zaragoza ESP</s3>
<s4>2002-09-10</s4>
</fA30>
</pR>
</standard>
<server><NO>PASCAL 04-0058645 INIST</NO>
<ET>Effects of <sup>15</sup>
N application frequency on nitrogen uptake efficiency in Citrus trees</ET>
<AU>QUINONES (Ana); BANULS (Josefina); PRIMO MILLO (Eduardo); LEGAZ (Francisco)</AU>
<AF>Departamento de Citricultura y otros Frutales, Instituto Valenciano de Investigaciones Agrarias (I.V.I.A.), Carretera Moncada-Náquera, km 4.5./46113, Moncada (Valencia)/Espagne (1 aut., 2 aut., 3 aut., 4 aut.)</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>Journal of plant physiology; ISSN 0176-1617; Coden JPPHEY; Allemagne; Da. 2003; Vol. 160; No. 12; Pp. 1429-1434; Bibl. 23 ref.</SO>
<LA>Anglais</LA>
<EA>Two irrigation systems were used to compare nitrogen uptake efficiency in citrus trees and to evaluate the NO<sub>3</sub>
- runoff in «Navelina» orange trees [Citrus sinensis (L.) Osbeck] on Carrizo citrange rootstock (Citrus sinensis x Poncirus trifoliata Raf.). These were fertilized with 125 g N as labelled K<sup>15</sup>
NO<sub>3</sub>
 and grown outdoors in containers filled with a sand-loamy soil. Two groups of 3 trees received this N dose either in five equally split applications by a flooding irrigation system or in 66 applications by drip. Trees were harvested at the end of the vegetative cycle (December) and the isotopic ratios of <sup>15</sup>
N/<sup>14</sup>
N were measured in the soil-plant system. The N uptake efficiency of the whole tree was higher with drip irrigation (75%) than with flooding system (64%) In the 0-90cm soil profile, the N immobilized in the organic fraction was similar for both irrigation methods (around 13 %), whereas the N retained as NO<sub>3</sub>
- was 1% of the N applied under drip and 10% under flooding. In the last case, most of NO<sub>3</sub>
- remained under root system and it could be lost to leaching either by heavy rainfalls or excessive water applications. These results showed that a drip irrigation system was more efficient for improving water use and N uptake from fertilizer, in addition to potentially reduced leaching losses.</EA>
<CC>002A32C02C1</CC>
<FD>Efficacité nutriment; Racine; Absorption; Fractionnement isotopique; Comparaison interspécifique; Fertilisation azotée; Irrigation; Noyage; Engorgement sol; Citrus sinensis; Nitrate; Sol sableux loameux; Modalité traitement; Exigence; Fertilisation raisonnée; Citrus sinensis  Poncirus trifoliata; Azote 15; IRRIGATION GOUTTE A GOUTTE</FD>
<FG>Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Agrume; Azote; Elément minéral; Azote Isotope; Traceur</FG>
<ED>Nutrient recovery; Root; Absorption; Isotopic fractionation; Interspecific comparison; Nitrogen fertilization; Irrigation; Flooding; Waterlogging (soil); Citrus sinensis; Nitrates; Sandy loam soil; Application method; Requirement; Balanced fertilization; TRICKLE IRRIGATION</ED>
<EG>Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Citrus fruit; Nitrogen; Inorganic element; Nitrogen Isotopes; Tracers</EG>
<SD>Eficacia nutrimento; Raíz; Absorción; Fraccionamiento isotópico; Comparación interespecífica; Fertilización nitrogenada; Irrigación; Inundación; Anegamiento suelo; Citrus sinensis; Nitrato; Suelo franco arenoso; Modalidad tratamiento; Exigencia; Fertilización razonada; RIEGO POR GOTEO</SD>
<LO>INIST-922.354000116054420020</LO>
<ID>04-0058645</ID>
</server>
</inist>
</record>

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Effects of 15N application frequency on nitrogen uptake efficiency in Citrus trees

Effects of 15N application frequency on nitrogen uptake efficiency in Citrus trees

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