OrangerV1, PascalFrancis, Corpus, bibRecord, 000012

Nitrogen-fertilizer forms affect the nitrogen-use efficiency in fertigated citrus groves

Identifieur interne : 000012 ( PascalFrancis/Corpus ); précédent : 000011; suivant : 000013

Nitrogen-fertilizer forms affect the nitrogen-use efficiency in fertigated citrus groves

Auteurs : José Antônio Quaggio ; Thais Regina Souza ; Fernando César Bachiega Zambrosi ; Rodrigo Marcelli Boaretto ; Dirceu Jr Mattos

Source :

Journal of plant nutrition and soil science : (1999) [ 1436-8730 ] ; 2014.

RBID : Pascal:14-0171664

Descripteurs français

Pascal (Inist)
- Efficacité nutriment, Verger, Rendement, Fruit, Solution édaphique, Science du sol, Relation sol plante, Rutaceae, Agrume, Citrus sinensis, Engrais azoté, Calcium, Ammonium, Nitrate.

English descriptors

KwdEn :
- Ammonium, Calcium, Citrus fruit, Citrus sinensis, Fruit, Nitrates, Nitrogen fertilizer, Nutrient recovery, Orchard, Rutaceae, Soil plant relation, Soil science, Soil solution, Yield.

Abstract

The fertigated area of the Brazilian citrus industry has grown rapidly during recent years, and an efficient management of nitrogen (N) application at these sites is required for sustainable citrus production. Therefore, a field trial with Valencia orange trees [Citrus sinensis (L.) Osbeck] on Swingle citrumelo rootstock (Citrus paradise Macfad. x Poncirus trifoliata L. Raf.) was conducted for 8 years to evaluate the effects of N rates (80, 160, 240 and 320 kg ha^-1 y^-1) applied by fertigation, either as ammonium nitrate (AN) or calcium nitrate (CN), on soil solution dynamics, fruit yield, nutritional status, and N-use efficiency (NUE) of trees. The maximum fruit yield was reached with 240 kg N ha^-1 for AN, whereas a linear response and greater fruit yield was observed for N supplied as CN. The NUE was reduced for both N forms with increasing N rates. However, the NUE for CN was 14 to 38% greater than the NUE for AN. The lower fruit yield and NUE for AN compared to CN-treated trees was associated with the increased acidification of the soil solution with increased AN rates (pH ≤ 4.0). This limited nitrification resulted in a high ammonium (NH⁺₄) concentration in the soil solution and a reduction in the net absorption of cations by the trees, particularly calcium (Ca). Due to the improved ion balance as well as the higher pH of the soil solution (pH ≥ 6.3) and diminished NH⁺₄ availability, gains in both fruit yield and NUE in fertigated citrus groves in tropical soils can be obtained with the use of CN as a source of N.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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C01	`01`		`ENG`	@0 The fertigated area of the Brazilian citrus industry has grown rapidly during recent years, and an efficient management of nitrogen (N) application at these sites is required for sustainable citrus production. Therefore, a field trial with Valencia orange trees [Citrus sinensis (L.) Osbeck] on Swingle citrumelo rootstock (Citrus paradise Macfad. x Poncirus trifoliata L. Raf.) was conducted for 8 years to evaluate the effects of N rates (80, 160, 240 and 320 kg ha^-1 y^-1) applied by fertigation, either as ammonium nitrate (AN) or calcium nitrate (CN), on soil solution dynamics, fruit yield, nutritional status, and N-use efficiency (NUE) of trees. The maximum fruit yield was reached with 240 kg N ha^-1 for AN, whereas a linear response and greater fruit yield was observed for N supplied as CN. The NUE was reduced for both N forms with increasing N rates. However, the NUE for CN was 14 to 38% greater than the NUE for AN. The lower fruit yield and NUE for AN compared to CN-treated trees was associated with the increased acidification of the soil solution with increased AN rates (pH ≤ 4.0). This limited nitrification resulted in a high ammonium (NH⁺₄) concentration in the soil solution and a reduction in the net absorption of cations by the trees, particularly calcium (Ca). Due to the improved ion balance as well as the higher pH of the soil solution (pH ≥ 6.3) and diminished NH⁺₄ availability, gains in both fruit yield and NUE in fertigated citrus groves in tropical soils can be obtained with the use of CN as a source of N.
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C03	`01`	`X`	`ENG`	`@0 Nutrient recovery @5 01`
C03	`01`	`X`	`SPA`	`@0 Eficacia nutrimento @5 01`
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C03	`02`	`X`	`ENG`	`@0 Orchard @5 02`
C03	`02`	`X`	`SPA`	`@0 Huerto @5 02`
C03	`03`	`X`	`FRE`	`@0 Rendement @5 03`
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C03	`04`	`X`	`FRE`	`@0 Fruit @5 04`
C03	`04`	`X`	`ENG`	`@0 Fruit @5 04`
C03	`04`	`X`	`SPA`	`@0 Fruto @5 04`
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C03	`07`	`X`	`SPA`	`@0 Relación suelo planta @5 07`
C03	`08`	`X`	`FRE`	`@0 Rutaceae @2 NS @5 08`
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C03	`09`	`X`	`SPA`	`@0 Agrios @5 10`
C03	`10`	`X`	`FRE`	`@0 Citrus sinensis @2 NS @5 11`
C03	`10`	`X`	`ENG`	`@0 Citrus sinensis @2 NS @5 11`
C03	`10`	`X`	`SPA`	`@0 Citrus sinensis @2 NS @5 11`
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C03	`12`	`X`	`ENG`	`@0 Calcium @2 NC @2 FR @5 16`
C03	`12`	`X`	`SPA`	`@0 Calcio @2 NC @2 FR @5 16`
C03	`13`	`X`	`FRE`	`@0 Ammonium @2 NC @5 17`
C03	`13`	`X`	`ENG`	`@0 Ammonium @2 NC @5 17`
C03	`13`	`X`	`SPA`	`@0 Amonio @2 NC @5 17`
C03	`14`	`X`	`FRE`	`@0 Nitrate @2 NA @2 FX @5 18`
C03	`14`	`X`	`ENG`	`@0 Nitrates @2 NA @2 FX @5 18`
C03	`14`	`X`	`SPA`	`@0 Nitrato @2 NA @2 FX @5 18`
C07	`01`	`X`	`FRE`	`@0 Dicotyledones @2 NS`
C07	`01`	`X`	`ENG`	`@0 Dicotyledones @2 NS`
C07	`01`	`X`	`SPA`	`@0 Dicotyledones @2 NS`
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C07	`02`	`X`	`ENG`	`@0 Angiospermae @2 NS`
C07	`02`	`X`	`SPA`	`@0 Angiospermae @2 NS`
C07	`03`	`X`	`FRE`	`@0 Spermatophyta @2 NS`
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C07	`03`	`X`	`SPA`	`@0 Spermatophyta @2 NS`
C07	`04`	`X`	`FRE`	`@0 Arbre fruitier @5 31`
C07	`04`	`X`	`ENG`	`@0 Fruit tree @5 31`
C07	`04`	`X`	`SPA`	`@0 Arbol frutal @5 31`
C07	`05`	`X`	`FRE`	`@0 Plante fruitière @5 32`
C07	`05`	`X`	`ENG`	`@0 Fruit crop @5 32`
C07	`05`	`X`	`SPA`	`@0 Planta frutal @5 32`
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C07	`09`	`X`	`ENG`	`@0 Inorganic cation @5 36`
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C07	`10`	`X`	`FRE`	`@0 Anion minéral @5 37`
C07	`10`	`X`	`ENG`	`@0 Inorganic anion @5 37`
C07	`10`	`X`	`SPA`	`@0 Anión inorgánico @5 37`
C07	`11`	`X`	`FRE`	`@0 Anion monovalent @5 38`
C07	`11`	`X`	`ENG`	`@0 Monovalent anion @5 38`
C07	`11`	`X`	`SPA`	`@0 Anión monovalente @5 38`
C07	`12`	`X`	`FRE`	`@0 Azote minéral @2 NK @5 50`
C07	`12`	`X`	`ENG`	`@0 Inorganic nitrogen @2 NK @5 50`
C07	`12`	`X`	`SPA`	`@0 Nitrógeno inorgánico @2 NK @5 50`
C07	`13`	`X`	`FRE`	`@0 Composé de l'azote @2 NK @5 51`
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C07	`14`	`X`	`FRE`	`@0 Ion minéral @5 52`
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Format Inist (serveur)

NO :	PASCAL 14-0171664 INIST
ET :	Nitrogen-fertilizer forms affect the nitrogen-use efficiency in fertigated citrus groves
AU :	QUAGGIO (José Antônio); SOUZA (Thais Regina); BACHIEGA ZAMBROSI (Fernando César); BOARETTO (Rodrigo Marcelli); MATTOS (Dirceu JR)
AF :	Instituto Agronômico, Centro de Solos e Recursos Ambientais, Av. Barão de Itapura 1481/13012-970, Campinas, SP/Brésil (1 aut., 2 aut., 3 aut.); Instituto Agronômico, Centro de Citricultura 'Sylvio Moreira', Rodovia Anhangüera km 158/13490-970, Cordeirópolis, SP/Brésil (4 aut., 5 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of plant nutrition and soil science : (1999); ISSN 1436-8730; Allemagne; Da. 2014; Vol. 177; No. 3; Pp. 404-411; Bibl. 3/4 p.
LA :	Anglais
EA :	The fertigated area of the Brazilian citrus industry has grown rapidly during recent years, and an efficient management of nitrogen (N) application at these sites is required for sustainable citrus production. Therefore, a field trial with Valencia orange trees [Citrus sinensis (L.) Osbeck] on Swingle citrumelo rootstock (Citrus paradise Macfad. x Poncirus trifoliata L. Raf.) was conducted for 8 years to evaluate the effects of N rates (80, 160, 240 and 320 kg ha^-1 y^-1) applied by fertigation, either as ammonium nitrate (AN) or calcium nitrate (CN), on soil solution dynamics, fruit yield, nutritional status, and N-use efficiency (NUE) of trees. The maximum fruit yield was reached with 240 kg N ha^-1 for AN, whereas a linear response and greater fruit yield was observed for N supplied as CN. The NUE was reduced for both N forms with increasing N rates. However, the NUE for CN was 14 to 38% greater than the NUE for AN. The lower fruit yield and NUE for AN compared to CN-treated trees was associated with the increased acidification of the soil solution with increased AN rates (pH ≤ 4.0). This limited nitrification resulted in a high ammonium (NH⁺₄) concentration in the soil solution and a reduction in the net absorption of cations by the trees, particularly calcium (Ca). Due to the improved ion balance as well as the higher pH of the soil solution (pH ≥ 6.3) and diminished NH⁺₄ availability, gains in both fruit yield and NUE in fertigated citrus groves in tropical soils can be obtained with the use of CN as a source of N.
CC :	002A32C02C1; 002A32B03A2; 002A32C02B
FD :	Efficacité nutriment; Verger; Rendement; Fruit; Solution édaphique; Science du sol; Relation sol plante; Rutaceae; Agrume; Citrus sinensis; Engrais azoté; Calcium; Ammonium; Nitrate
FG :	Dicotyledones; Angiospermae; Spermatophyta; Arbre fruitier; Plante fruitière; Solution chimique; Métal alcalinoterreux; Cation monovalent; Cation minéral; Anion minéral; Anion monovalent; Azote minéral; Composé de l'azote; Ion minéral
ED :	Nutrient recovery; Orchard; Yield; Fruit; Soil solution; Soil science; Soil plant relation; Rutaceae; Citrus fruit; Citrus sinensis; Nitrogen fertilizer; Calcium; Ammonium; Nitrates
EG :	Dicotyledones; Angiospermae; Spermatophyta; Fruit tree; Fruit crop; Chemical solution; Alkaline earth metal; Monovalent cation; Inorganic cation; Inorganic anion; Monovalent anion; Inorganic nitrogen; Nitrogen compounds; Inorganic ion
SD :	Eficacia nutrimento; Huerto; Rendimiento; Fruto; Solución suelo; Ciencia del suelo; Relación suelo planta; Rutaceae; Agrios; Citrus sinensis; Fertilizante nitrogenado; Calcio; Amonio; Nitrato
LO :	INIST-4185.354000502787210110
ID :	14-0171664

Links to Exploration step

Pascal:14-0171664

Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ammonium</term>
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<term>Rendement</term>
<term>Fruit</term>
<term>Solution édaphique</term>
<term>Science du sol</term>
<term>Relation sol plante</term>
<term>Rutaceae</term>
<term>Agrume</term>
<term>Citrus sinensis</term>
<term>Engrais azoté</term>
<term>Calcium</term>
<term>Ammonium</term>
<term>Nitrate</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The fertigated area of the Brazilian citrus industry has grown rapidly during recent years, and an efficient management of nitrogen (N) application at these sites is required for sustainable citrus production. Therefore, a field trial with Valencia orange trees [Citrus sinensis (L.) Osbeck] on Swingle citrumelo rootstock (Citrus paradise Macfad. x Poncirus trifoliata L. Raf.) was conducted for 8 years to evaluate the effects of N rates (80, 160, 240 and 320 kg ha<sup>-1</sup>
 y<sup>-1</sup>
) applied by fertigation, either as ammonium nitrate (AN) or calcium nitrate (CN), on soil solution dynamics, fruit yield, nutritional status, and N-use efficiency (NUE) of trees. The maximum fruit yield was reached with 240 kg N ha<sup>-1</sup>
 for AN, whereas a linear response and greater fruit yield was observed for N supplied as CN. The NUE was reduced for both N forms with increasing N rates. However, the NUE for CN was 14 to 38% greater than the NUE for AN. The lower fruit yield and NUE for AN compared to CN-treated trees was associated with the increased acidification of the soil solution with increased AN rates (pH ≤ 4.0). This limited nitrification resulted in a high ammonium (NH<sup>+</sup>
<sub>4</sub>
) concentration in the soil solution and a reduction in the net absorption of cations by the trees, particularly calcium (Ca). Due to the improved ion balance as well as the higher pH of the soil solution (pH ≥ 6.3) and diminished NH<sup>+</sup>
<sub>4</sub>
 availability, gains in both fruit yield and NUE in fertigated citrus groves in tropical soils can be obtained with the use of CN as a source of N.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1436-8730</s0>
</fA01>
<fA03 i2="1"><s0>J. plant nutr. soil sci. : (1999)</s0>
</fA03>
<fA05><s2>177</s2>
</fA05>
<fA06><s2>3</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Nitrogen-fertilizer forms affect the nitrogen-use efficiency in fertigated citrus groves</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>QUAGGIO (José Antônio)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>SOUZA (Thais Regina)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>BACHIEGA ZAMBROSI (Fernando César)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>BOARETTO (Rodrigo Marcelli)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>MATTOS (Dirceu JR)</s1>
</fA11>
<fA14 i1="01"><s1>Instituto Agronômico, Centro de Solos e Recursos Ambientais, Av. Barão de Itapura 1481</s1>
<s2>13012-970, Campinas, SP</s2>
<s3>BRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Instituto Agronômico, Centro de Citricultura 'Sylvio Moreira', Rodovia Anhangüera km 158</s1>
<s2>13490-970, Cordeirópolis, SP</s2>
<s3>BRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</fA14>
<fA20><s1>404-411</s1>
</fA20>
<fA21><s1>2014</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>4185</s2>
<s5>354000502787210110</s5>
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<s1>© 2014 INIST-CNRS. All rights reserved.</s1>
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</fA45>
<fA47 i1="01" i2="1"><s0>14-0171664</s0>
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<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal of plant nutrition and soil science : (1999)</s0>
</fA64>
<fA66 i1="01"><s0>DEU</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>The fertigated area of the Brazilian citrus industry has grown rapidly during recent years, and an efficient management of nitrogen (N) application at these sites is required for sustainable citrus production. Therefore, a field trial with Valencia orange trees [Citrus sinensis (L.) Osbeck] on Swingle citrumelo rootstock (Citrus paradise Macfad. x Poncirus trifoliata L. Raf.) was conducted for 8 years to evaluate the effects of N rates (80, 160, 240 and 320 kg ha<sup>-1</sup>
 y<sup>-1</sup>
) applied by fertigation, either as ammonium nitrate (AN) or calcium nitrate (CN), on soil solution dynamics, fruit yield, nutritional status, and N-use efficiency (NUE) of trees. The maximum fruit yield was reached with 240 kg N ha<sup>-1</sup>
 for AN, whereas a linear response and greater fruit yield was observed for N supplied as CN. The NUE was reduced for both N forms with increasing N rates. However, the NUE for CN was 14 to 38% greater than the NUE for AN. The lower fruit yield and NUE for AN compared to CN-treated trees was associated with the increased acidification of the soil solution with increased AN rates (pH ≤ 4.0). This limited nitrification resulted in a high ammonium (NH<sup>+</sup>
<sub>4</sub>
) concentration in the soil solution and a reduction in the net absorption of cations by the trees, particularly calcium (Ca). Due to the improved ion balance as well as the higher pH of the soil solution (pH ≥ 6.3) and diminished NH<sup>+</sup>
<sub>4</sub>
 availability, gains in both fruit yield and NUE in fertigated citrus groves in tropical soils can be obtained with the use of CN as a source of N.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A32C02C1</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002A32B03A2</s0>
</fC02>
<fC02 i1="03" i2="X"><s0>002A32C02B</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>Verger</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Orchard</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Huerto</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Rendement</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Yield</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Rendimiento</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Fruit</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Fruit</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Fruto</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Solution édaphique</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Soil solution</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Solución suelo</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Science du sol</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Soil science</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Ciencia del suelo</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Relation sol plante</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Soil plant relation</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Relación suelo planta</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Agrume</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Agrios</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Engrais azoté</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Nitrogen fertilizer</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Fertilizante nitrogenado</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Calcium</s0>
<s2>NC</s2>
<s2>FR</s2>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Calcium</s0>
<s2>NC</s2>
<s2>FR</s2>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Calcio</s0>
<s2>NC</s2>
<s2>FR</s2>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Ammonium</s0>
<s2>NC</s2>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Ammonium</s0>
<s2>NC</s2>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Amonio</s0>
<s2>NC</s2>
<s5>17</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Nitrate</s0>
<s2>NA</s2>
<s2>FX</s2>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Nitrates</s0>
<s2>NA</s2>
<s2>FX</s2>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Nitrato</s0>
<s2>NA</s2>
<s2>FX</s2>
<s5>18</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Arbre fruitier</s0>
<s5>31</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Fruit tree</s0>
<s5>31</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Arbol frutal</s0>
<s5>31</s5>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Plante fruitière</s0>
<s5>32</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Fruit crop</s0>
<s5>32</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Planta frutal</s0>
<s5>32</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Solution chimique</s0>
<s5>33</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Chemical solution</s0>
<s5>33</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Solución química</s0>
<s5>33</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Métal alcalinoterreux</s0>
<s2>NC</s2>
<s5>34</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Alkaline earth metal</s0>
<s2>NC</s2>
<s5>34</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Metal alcalino-térreo</s0>
<s2>NC</s2>
<s5>34</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Cation monovalent</s0>
<s5>35</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Monovalent cation</s0>
<s5>35</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Catión monovalente</s0>
<s5>35</s5>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Cation minéral</s0>
<s5>36</s5>
</fC07>
<fC07 i1="09" i2="X" l="ENG"><s0>Inorganic cation</s0>
<s5>36</s5>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Catión inorgánico</s0>
<s5>36</s5>
</fC07>
<fC07 i1="10" i2="X" l="FRE"><s0>Anion minéral</s0>
<s5>37</s5>
</fC07>
<fC07 i1="10" i2="X" l="ENG"><s0>Inorganic anion</s0>
<s5>37</s5>
</fC07>
<fC07 i1="10" i2="X" l="SPA"><s0>Anión inorgánico</s0>
<s5>37</s5>
</fC07>
<fC07 i1="11" i2="X" l="FRE"><s0>Anion monovalent</s0>
<s5>38</s5>
</fC07>
<fC07 i1="11" i2="X" l="ENG"><s0>Monovalent anion</s0>
<s5>38</s5>
</fC07>
<fC07 i1="11" i2="X" l="SPA"><s0>Anión monovalente</s0>
<s5>38</s5>
</fC07>
<fC07 i1="12" i2="X" l="FRE"><s0>Azote minéral</s0>
<s2>NK</s2>
<s5>50</s5>
</fC07>
<fC07 i1="12" i2="X" l="ENG"><s0>Inorganic nitrogen</s0>
<s2>NK</s2>
<s5>50</s5>
</fC07>
<fC07 i1="12" i2="X" l="SPA"><s0>Nitrógeno inorgánico</s0>
<s2>NK</s2>
<s5>50</s5>
</fC07>
<fC07 i1="13" i2="X" l="FRE"><s0>Composé de l'azote</s0>
<s2>NK</s2>
<s5>51</s5>
</fC07>
<fC07 i1="13" i2="X" l="ENG"><s0>Nitrogen compounds</s0>
<s2>NK</s2>
<s5>51</s5>
</fC07>
<fC07 i1="13" i2="X" l="SPA"><s0>Compuesto nitrogenado</s0>
<s2>NK</s2>
<s5>51</s5>
</fC07>
<fC07 i1="14" i2="X" l="FRE"><s0>Ion minéral</s0>
<s5>52</s5>
</fC07>
<fC07 i1="14" i2="X" l="ENG"><s0>Inorganic ion</s0>
<s5>52</s5>
</fC07>
<fC07 i1="14" i2="X" l="SPA"><s0>Ión inorgánico</s0>
<s5>52</s5>
</fC07>
<fN21><s1>216</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
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<server><NO>PASCAL 14-0171664 INIST</NO>
<ET>Nitrogen-fertilizer forms affect the nitrogen-use efficiency in fertigated citrus groves</ET>
<AU>QUAGGIO (José Antônio); SOUZA (Thais Regina); BACHIEGA ZAMBROSI (Fernando César); BOARETTO (Rodrigo Marcelli); MATTOS (Dirceu JR)</AU>
<AF>Instituto Agronômico, Centro de Solos e Recursos Ambientais, Av. Barão de Itapura 1481/13012-970, Campinas, SP/Brésil (1 aut., 2 aut., 3 aut.); Instituto Agronômico, Centro de Citricultura 'Sylvio Moreira', Rodovia Anhangüera km 158/13490-970, Cordeirópolis, SP/Brésil (4 aut., 5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of plant nutrition and soil science : (1999); ISSN 1436-8730; Allemagne; Da. 2014; Vol. 177; No. 3; Pp. 404-411; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>The fertigated area of the Brazilian citrus industry has grown rapidly during recent years, and an efficient management of nitrogen (N) application at these sites is required for sustainable citrus production. Therefore, a field trial with Valencia orange trees [Citrus sinensis (L.) Osbeck] on Swingle citrumelo rootstock (Citrus paradise Macfad. x Poncirus trifoliata L. Raf.) was conducted for 8 years to evaluate the effects of N rates (80, 160, 240 and 320 kg ha<sup>-1</sup>
 y<sup>-1</sup>
) applied by fertigation, either as ammonium nitrate (AN) or calcium nitrate (CN), on soil solution dynamics, fruit yield, nutritional status, and N-use efficiency (NUE) of trees. The maximum fruit yield was reached with 240 kg N ha<sup>-1</sup>
 for AN, whereas a linear response and greater fruit yield was observed for N supplied as CN. The NUE was reduced for both N forms with increasing N rates. However, the NUE for CN was 14 to 38% greater than the NUE for AN. The lower fruit yield and NUE for AN compared to CN-treated trees was associated with the increased acidification of the soil solution with increased AN rates (pH ≤ 4.0). This limited nitrification resulted in a high ammonium (NH<sup>+</sup>
<sub>4</sub>
) concentration in the soil solution and a reduction in the net absorption of cations by the trees, particularly calcium (Ca). Due to the improved ion balance as well as the higher pH of the soil solution (pH ≥ 6.3) and diminished NH<sup>+</sup>
<sub>4</sub>
 availability, gains in both fruit yield and NUE in fertigated citrus groves in tropical soils can be obtained with the use of CN as a source of N.</EA>
<CC>002A32C02C1; 002A32B03A2; 002A32C02B</CC>
<FD>Efficacité nutriment; Verger; Rendement; Fruit; Solution édaphique; Science du sol; Relation sol plante; Rutaceae; Agrume; Citrus sinensis; Engrais azoté; Calcium; Ammonium; Nitrate</FD>
<FG>Dicotyledones; Angiospermae; Spermatophyta; Arbre fruitier; Plante fruitière; Solution chimique; Métal alcalinoterreux; Cation monovalent; Cation minéral; Anion minéral; Anion monovalent; Azote minéral; Composé de l'azote; Ion minéral</FG>
<ED>Nutrient recovery; Orchard; Yield; Fruit; Soil solution; Soil science; Soil plant relation; Rutaceae; Citrus fruit; Citrus sinensis; Nitrogen fertilizer; Calcium; Ammonium; Nitrates</ED>
<EG>Dicotyledones; Angiospermae; Spermatophyta; Fruit tree; Fruit crop; Chemical solution; Alkaline earth metal; Monovalent cation; Inorganic cation; Inorganic anion; Monovalent anion; Inorganic nitrogen; Nitrogen compounds; Inorganic ion</EG>
<SD>Eficacia nutrimento; Huerto; Rendimiento; Fruto; Solución suelo; Ciencia del suelo; Relación suelo planta; Rutaceae; Agrios; Citrus sinensis; Fertilizante nitrogenado; Calcio; Amonio; Nitrato</SD>
<LO>INIST-4185.354000502787210110</LO>
<ID>14-0171664</ID>
</server>
</inist>
</record>

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Nitrogen-fertilizer forms affect the nitrogen-use efficiency in fertigated citrus groves

Nitrogen-fertilizer forms affect the nitrogen-use efficiency in fertigated citrus groves

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