OrangerV1, PascalFrancis, Corpus, bibRecord, 000721

Nitrogen volatilization and mineralization in a sandy entisol of Florida under citrus

Identifieur interne : 000721 ( PascalFrancis/Corpus ); précédent : 000720; suivant : 000722

Nitrogen volatilization and mineralization in a sandy entisol of Florida under citrus

Auteurs : D. Jr Mattos ; A. K. Alva ; S. Paramasivam ; D. A. Graetz

Source :

Communications in soil science and plant analysis [ 0010-3624 ] ; 2003.

RBID : Pascal:04-0014752

Descripteurs français

Pascal (Inist)
- Pollution eau, Fertilisation azotée, Volatilisation, Minéralisation, Verger, Efficacité nutriment, Lessivage, Perte, Biomasse microbienne, Citrus sinensis, Urée, Ammoniac, Ammonium Nitrate, Floride, Sol sableux, Cycle azote, Poncirus trifoliata Citrus paradisi, Quartzipsamment.

English descriptors

KwdEn :
- Ammonia, Ammonium Nitrates, Citrus sinensis, Florida, Leaching, Loss, Microbial biomass, Mineralization, Nitrogen cycle, Nitrogen fertilization, Nutrient recovery, Orchard, Sandy soil, Urea, Volatilization, Water pollution.

Abstract

Increasingly nitrate nitrogen (NO₃-N) is found in excess of maximum contaminant limit (MCL) in groundwater adjacent to citrus production areas of central Florida. Understanding of fate of N in the environment following the application of fertilizers is critical to improve nutrient uptake efficiency, minimize nutrient losses and reduce the adverse effects on the groundwater. A study evaluated ammonia volatilization (NH₃) and effects of ammonium nitrate (AN) and urea (UR) on N budget of citrus trees on a sandy Entisol. Dry granular N fertilizers were surface applied to irrigated 'Hamlin' orange trees. Ammonia volatilization was evaluated using a semi-open NH₃ trapping system with and without additional air circulation, while net N mineralization and leaching losses were evaluated using in situ incubations with polyvinyl chloride (PVC) columns. Significant N losses by NH₃volatilization were observed from applied N fertilizers, which accounted for up to 13% of applied N as AN. and 33% as UR with additional air circulation in the collection chamber. These values were significantly greater than those observed with no additional air circulation. Maximum rates of NH₃ volatilization occurred within 5 d after fertilizer application and were greater during the day than during the evening. This study demonstrated that fertilizer use efficiency is reduced due to increased gaseous losses of NH₃ when urea is used, and that N fertilization affects soil N mineralization in a short time period after fertilizer application. Fertilization decreased N mineralization and increased the amount of soil microbial biomass N during incubation. Leaching of N accounted to 13% of applied N during a 90-d period.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0010-3624`
A02	`01`			`@0 CSOSA2`
A03		`1`		`@0 Commun. soil sci. plant anal.`
A05				`@2 34`
A06				`@2 13-14`
A08	`01`	`1`	`ENG`	`@1 Nitrogen volatilization and mineralization in a sandy entisol of Florida under citrus`
A11	`01`	`1`		`@1 MATTOS (D. JR)`
A11	`02`	`1`		`@1 ALVA (A. K.)`
A11	`03`	`1`		`@1 PARAMASIVAM (S.)`
A11	`04`	`1`		`@1 GRAETZ (D. A.)`
A14	`01`			`@1 Centro de Citricultura Sylvio Moreira-IAC, Cordeirópolis @2 SP @3 BRA @Z 1 aut.`
A14	`02`			`@1 USDA ARS, Vegetable and Forage Crop Research Unit @2 Prosser, Washington @3 USA @Z 2 aut.`
A14	`03`			`@1 Savannah State University, Marine Environmental Science and Biotechnology Research Center @2 Savannah, Georgia @3 USA @Z 3 aut.`
A14	`04`			`@1 University of Florida, Soil and Water Science Department @2 Gainesville, Florida @3 USA @Z 4 aut.`
A20				`@1 1803-1824`
A21				`@1 2003`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 15396 @5 354000112325360030`
A44				`@0 0000 @1 © 2004 INIST-CNRS. All rights reserved.`
A45				`@0 40 ref.`
A47	`01`	`1`		`@0 04-0014752`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Communications in soil science and plant analysis`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 Increasingly nitrate nitrogen (NO₃-N) is found in excess of maximum contaminant limit (MCL) in groundwater adjacent to citrus production areas of central Florida. Understanding of fate of N in the environment following the application of fertilizers is critical to improve nutrient uptake efficiency, minimize nutrient losses and reduce the adverse effects on the groundwater. A study evaluated ammonia volatilization (NH₃) and effects of ammonium nitrate (AN) and urea (UR) on N budget of citrus trees on a sandy Entisol. Dry granular N fertilizers were surface applied to irrigated 'Hamlin' orange trees. Ammonia volatilization was evaluated using a semi-open NH₃ trapping system with and without additional air circulation, while net N mineralization and leaching losses were evaluated using in situ incubations with polyvinyl chloride (PVC) columns. Significant N losses by NH₃volatilization were observed from applied N fertilizers, which accounted for up to 13% of applied N as AN. and 33% as UR with additional air circulation in the collection chamber. These values were significantly greater than those observed with no additional air circulation. Maximum rates of NH₃ volatilization occurred within 5 d after fertilizer application and were greater during the day than during the evening. This study demonstrated that fertilizer use efficiency is reduced due to increased gaseous losses of NH₃ when urea is used, and that N fertilization affects soil N mineralization in a short time period after fertilizer application. Fertilization decreased N mineralization and increased the amount of soil microbial biomass N during incubation. Leaching of N accounted to 13% of applied N during a 90-d period.
C02	`01`	`X`		`@0 002A32C02C1`
C02	`02`	`X`		`@0 002A32B03B3`
C03	`01`	`X`	`FRE`	`@0 Pollution eau @5 01`
C03	`01`	`X`	`ENG`	`@0 Water pollution @5 01`
C03	`01`	`X`	`SPA`	`@0 Contaminación agua @5 01`
C03	`02`	`X`	`FRE`	`@0 Fertilisation azotée @5 02`
C03	`02`	`X`	`ENG`	`@0 Nitrogen fertilization @5 02`
C03	`02`	`X`	`SPA`	`@0 Fertilización nitrogenada @5 02`
C03	`03`	`X`	`FRE`	`@0 Volatilisation @5 03`
C03	`03`	`X`	`ENG`	`@0 Volatilization @5 03`
C03	`03`	`X`	`SPA`	`@0 Volatilización @5 03`
C03	`04`	`X`	`FRE`	`@0 Minéralisation @5 04`
C03	`04`	`X`	`ENG`	`@0 Mineralization @5 04`
C03	`04`	`X`	`SPA`	`@0 Mineralización @5 04`
C03	`05`	`X`	`FRE`	`@0 Verger @5 05`
C03	`05`	`X`	`ENG`	`@0 Orchard @5 05`
C03	`05`	`X`	`SPA`	`@0 Huerto @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 Lessivage @5 07`
C03	`07`	`X`	`ENG`	`@0 Leaching @5 07`
C03	`07`	`X`	`SPA`	`@0 Lavado @5 07`
C03	`08`	`X`	`FRE`	`@0 Perte @5 08`
C03	`08`	`X`	`ENG`	`@0 Loss @5 08`
C03	`08`	`X`	`SPA`	`@0 Pérdida @5 08`
C03	`09`	`X`	`FRE`	`@0 Biomasse microbienne @5 09`
C03	`09`	`X`	`ENG`	`@0 Microbial biomass @5 09`
C03	`09`	`X`	`SPA`	`@0 Biomasa microbiana @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 Urée @2 NK @2 FR @5 15`
C03	`11`	`X`	`ENG`	`@0 Urea @2 NK @2 FR @5 15`
C03	`11`	`X`	`SPA`	`@0 Urea @2 NK @2 FR @5 15`
C03	`12`	`X`	`FRE`	`@0 Ammoniac @2 NK @2 FX @5 16`
C03	`12`	`X`	`ENG`	`@0 Ammonia @2 NK @2 FX @5 16`
C03	`12`	`X`	`SPA`	`@0 Amoníaco @2 NK @2 FX @5 16`
C03	`13`	`X`	`FRE`	`@0 Ammonium Nitrate @2 NC @2 NA @2 FX @5 17`
C03	`13`	`X`	`ENG`	`@0 Ammonium Nitrates @2 NC @2 NA @2 FX @5 17`
C03	`13`	`X`	`SPA`	`@0 Amonio Nitrato @2 NC @2 NA @2 FX @5 17`
C03	`14`	`X`	`FRE`	`@0 Floride @2 NG @5 20`
C03	`14`	`X`	`ENG`	`@0 Florida @2 NG @5 20`
C03	`14`	`X`	`SPA`	`@0 Florida @2 NG @5 20`
C03	`15`	`X`	`FRE`	`@0 Sol sableux @2 NT @5 24`
C03	`15`	`X`	`ENG`	`@0 Sandy soil @2 NT @5 24`
C03	`15`	`X`	`SPA`	`@0 Suelo arenoso @2 NT @5 24`
C03	`16`	`X`	`FRE`	`@0 Cycle azote @5 33`
C03	`16`	`X`	`ENG`	`@0 Nitrogen cycle @5 33`
C03	`16`	`X`	`SPA`	`@0 Ciclo nitrógeno @5 33`
C03	`17`	`X`	`FRE`	`@0 Poncirus trifoliata Citrus paradisi @2 NS @4 INC @5 76`
C03	`18`	`X`	`FRE`	`@0 Quartzipsamment @2 NT @4 INC @5 88`
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 Etats Unis @2 NG`
C07	`05`	`X`	`ENG`	`@0 United States @2 NG`
C07	`05`	`X`	`SPA`	`@0 Estados Unidos @2 NG`
C07	`06`	`X`	`FRE`	`@0 Amérique du Nord @2 NG`
C07	`06`	`X`	`ENG`	`@0 North America @2 NG`
C07	`06`	`X`	`SPA`	`@0 America del norte @2 NG`
C07	`07`	`X`	`FRE`	`@0 Amérique @2 NG`
C07	`07`	`X`	`ENG`	`@0 America @2 NG`
C07	`07`	`X`	`SPA`	`@0 America @2 NG`
C07	`08`	`X`	`FRE`	`@0 Cycle biogéochimique @5 34`
C07	`08`	`X`	`ENG`	`@0 Biogeochemical cycle @5 34`
C07	`08`	`X`	`SPA`	`@0 Ciclo biogeoquímico @5 34`
C07	`09`	`X`	`FRE`	`@0 Agrume @5 39`
C07	`09`	`X`	`ENG`	`@0 Citrus fruit @5 39`
C07	`09`	`X`	`SPA`	`@0 Agrios @5 39`
C07	`10`	`X`	`FRE`	`@0 Porte greffe @5 41`
C07	`10`	`X`	`ENG`	`@0 Rootstock @5 41`
C07	`10`	`X`	`SPA`	`@0 Portainjerto @5 41`
C07	`11`	`X`	`FRE`	`@0 Engrais azoté @5 50`
C07	`11`	`X`	`ENG`	`@0 Nitrogen fertilizer @5 50`
C07	`11`	`X`	`SPA`	`@0 Fertilizante nitrogenado @5 50`
C07	`12`	`X`	`FRE`	`@0 Entisol @2 NT @5 62`
C07	`12`	`X`	`ENG`	`@0 Entisols @2 NT @5 62`
C07	`12`	`X`	`SPA`	`@0 Entisols @2 NT @5 62`
C07	`13`	`X`	`FRE`	`@0 Psamment @4 INC @5 93`
N21				`@1 012`
N82				`@1 PSI`

Format Inist (serveur)

NO :	PASCAL 04-0014752 INIST
ET :	Nitrogen volatilization and mineralization in a sandy entisol of Florida under citrus
AU :	MATTOS (D. JR); ALVA (A. K.); PARAMASIVAM (S.); GRAETZ (D. A.)
AF :	Centro de Citricultura Sylvio Moreira-IAC, Cordeirópolis/SP/Brésil (1 aut.); USDA ARS, Vegetable and Forage Crop Research Unit/Prosser, Washington/Etats-Unis (2 aut.); Savannah State University, Marine Environmental Science and Biotechnology Research Center/Savannah, Georgia/Etats-Unis (3 aut.); University of Florida, Soil and Water Science Department/Gainesville, Florida/Etats-Unis (4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Communications in soil science and plant analysis; ISSN 0010-3624; Coden CSOSA2; Etats-Unis; Da. 2003; Vol. 34; No. 13-14; Pp. 1803-1824; Bibl. 40 ref.
LA :	Anglais
EA :	Increasingly nitrate nitrogen (NO₃-N) is found in excess of maximum contaminant limit (MCL) in groundwater adjacent to citrus production areas of central Florida. Understanding of fate of N in the environment following the application of fertilizers is critical to improve nutrient uptake efficiency, minimize nutrient losses and reduce the adverse effects on the groundwater. A study evaluated ammonia volatilization (NH₃) and effects of ammonium nitrate (AN) and urea (UR) on N budget of citrus trees on a sandy Entisol. Dry granular N fertilizers were surface applied to irrigated 'Hamlin' orange trees. Ammonia volatilization was evaluated using a semi-open NH₃ trapping system with and without additional air circulation, while net N mineralization and leaching losses were evaluated using in situ incubations with polyvinyl chloride (PVC) columns. Significant N losses by NH₃volatilization were observed from applied N fertilizers, which accounted for up to 13% of applied N as AN. and 33% as UR with additional air circulation in the collection chamber. These values were significantly greater than those observed with no additional air circulation. Maximum rates of NH₃ volatilization occurred within 5 d after fertilizer application and were greater during the day than during the evening. This study demonstrated that fertilizer use efficiency is reduced due to increased gaseous losses of NH₃ when urea is used, and that N fertilization affects soil N mineralization in a short time period after fertilizer application. Fertilization decreased N mineralization and increased the amount of soil microbial biomass N during incubation. Leaching of N accounted to 13% of applied N during a 90-d period.
CC :	002A32C02C1; 002A32B03B3
FD :	Pollution eau; Fertilisation azotée; Volatilisation; Minéralisation; Verger; Efficacité nutriment; Lessivage; Perte; Biomasse microbienne; Citrus sinensis; Urée; Ammoniac; Ammonium Nitrate; Floride; Sol sableux; Cycle azote; Poncirus trifoliata Citrus paradisi; Quartzipsamment
FG :	Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Etats Unis; Amérique du Nord; Amérique; Cycle biogéochimique; Agrume; Porte greffe; Engrais azoté; Entisol; Psamment
ED :	Water pollution; Nitrogen fertilization; Volatilization; Mineralization; Orchard; Nutrient recovery; Leaching; Loss; Microbial biomass; Citrus sinensis; Urea; Ammonia; Ammonium Nitrates; Florida; Sandy soil; Nitrogen cycle
EG :	Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; United States; North America; America; Biogeochemical cycle; Citrus fruit; Rootstock; Nitrogen fertilizer; Entisols
SD :	Contaminación agua; Fertilización nitrogenada; Volatilización; Mineralización; Huerto; Eficacia nutrimento; Lavado; Pérdida; Biomasa microbiana; Citrus sinensis; Urea; Amoníaco; Amonio Nitrato; Florida; Suelo arenoso; Ciclo nitrógeno
LO :	INIST-15396.354000112325360030
ID :	04-0014752

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Pascal:04-0014752

Le document en format XML

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<author><name sortKey="Mattos, D Jr" sort="Mattos, D Jr" uniqKey="Mattos D" first="D. Jr" last="Mattos">D. Jr Mattos</name>
<affiliation><inist:fA14 i1="01"><s1>Centro de Citricultura Sylvio Moreira-IAC, Cordeirópolis</s1>
<s2>SP</s2>
<s3>BRA</s3>
<sZ>1 aut.</sZ>
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<author><name sortKey="Alva, A K" sort="Alva, A K" uniqKey="Alva A" first="A. K." last="Alva">A. K. Alva</name>
<affiliation><inist:fA14 i1="02"><s1>USDA ARS, Vegetable and Forage Crop Research Unit</s1>
<s2>Prosser, Washington</s2>
<s3>USA</s3>
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<author><name sortKey="Paramasivam, S" sort="Paramasivam, S" uniqKey="Paramasivam S" first="S." last="Paramasivam">S. Paramasivam</name>
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<author><name sortKey="Graetz, D A" sort="Graetz, D A" uniqKey="Graetz D" first="D. A." last="Graetz">D. A. Graetz</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Nitrogen volatilization and mineralization in a sandy entisol of Florida under citrus</title>
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<author><name sortKey="Alva, A K" sort="Alva, A K" uniqKey="Alva A" first="A. K." last="Alva">A. K. Alva</name>
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<author><name sortKey="Graetz, D A" sort="Graetz, D A" uniqKey="Graetz D" first="D. A." last="Graetz">D. A. Graetz</name>
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<series><title level="j" type="main">Communications in soil science and plant analysis</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ammonia</term>
<term>Ammonium Nitrates</term>
<term>Citrus sinensis</term>
<term>Florida</term>
<term>Leaching</term>
<term>Loss</term>
<term>Microbial biomass</term>
<term>Mineralization</term>
<term>Nitrogen cycle</term>
<term>Nitrogen fertilization</term>
<term>Nutrient recovery</term>
<term>Orchard</term>
<term>Sandy soil</term>
<term>Urea</term>
<term>Volatilization</term>
<term>Water pollution</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Pollution eau</term>
<term>Fertilisation azotée</term>
<term>Volatilisation</term>
<term>Minéralisation</term>
<term>Verger</term>
<term>Efficacité nutriment</term>
<term>Lessivage</term>
<term>Perte</term>
<term>Biomasse microbienne</term>
<term>Citrus sinensis</term>
<term>Urée</term>
<term>Ammoniac</term>
<term>Ammonium Nitrate</term>
<term>Floride</term>
<term>Sol sableux</term>
<term>Cycle azote</term>
<term>Poncirus trifoliata  Citrus paradisi</term>
<term>Quartzipsamment</term>
</keywords>
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<front><div type="abstract" xml:lang="en">Increasingly nitrate nitrogen (NO<sub>3</sub>
-N) is found in excess of maximum contaminant limit (MCL) in groundwater adjacent to citrus production areas of central Florida. Understanding of fate of N in the environment following the application of fertilizers is critical to improve nutrient  uptake efficiency, minimize nutrient losses and reduce the adverse effects on the groundwater. A study evaluated ammonia volatilization (NH<sub>3</sub>
) and effects of ammonium nitrate (AN) and urea (UR) on N budget of citrus trees on a sandy Entisol. Dry granular N fertilizers were surface applied to irrigated 'Hamlin' orange trees. Ammonia volatilization was evaluated using a semi-open NH<sub>3</sub>
 trapping system with and without additional air circulation, while net N mineralization and leaching losses were evaluated using in situ incubations with polyvinyl chloride (PVC) columns. Significant N losses by NH<sub>3</sub>
volatilization were observed from applied N fertilizers, which accounted for up to 13% of applied N as AN. and 33% as UR with additional air circulation in the collection chamber. These values were significantly greater than those observed with no additional air circulation. Maximum rates of NH<sub>3</sub>
 volatilization occurred within 5 d after fertilizer application and were greater during the day than during the evening. This study demonstrated that fertilizer use efficiency is reduced due to increased gaseous losses of NH<sub>3</sub>
 when urea is used, and that N fertilization affects soil N mineralization in a short time period after fertilizer application. Fertilization decreased N mineralization and increased the amount of soil microbial biomass N during incubation. Leaching of N accounted to 13% of applied N during a 90-d period.</div>
</front>
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<fA11 i1="01" i2="1"><s1>MATTOS (D. JR)</s1>
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<fA11 i1="02" i2="1"><s1>ALVA (A. K.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>PARAMASIVAM (S.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>GRAETZ (D. A.)</s1>
</fA11>
<fA14 i1="01"><s1>Centro de Citricultura Sylvio Moreira-IAC, Cordeirópolis</s1>
<s2>SP</s2>
<s3>BRA</s3>
<sZ>1 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>USDA ARS, Vegetable and Forage Crop Research Unit</s1>
<s2>Prosser, Washington</s2>
<s3>USA</s3>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Savannah State University, Marine Environmental Science and Biotechnology Research Center</s1>
<s2>Savannah, Georgia</s2>
<s3>USA</s3>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>University of Florida, Soil and Water Science Department</s1>
<s2>Gainesville, Florida</s2>
<s3>USA</s3>
<sZ>4 aut.</sZ>
</fA14>
<fA20><s1>1803-1824</s1>
</fA20>
<fA21><s1>2003</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>15396</s2>
<s5>354000112325360030</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2004 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>40 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>04-0014752</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Communications in soil science and plant analysis</s0>
</fA64>
<fA66 i1="01"><s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Increasingly nitrate nitrogen (NO<sub>3</sub>
-N) is found in excess of maximum contaminant limit (MCL) in groundwater adjacent to citrus production areas of central Florida. Understanding of fate of N in the environment following the application of fertilizers is critical to improve nutrient  uptake efficiency, minimize nutrient losses and reduce the adverse effects on the groundwater. A study evaluated ammonia volatilization (NH<sub>3</sub>
) and effects of ammonium nitrate (AN) and urea (UR) on N budget of citrus trees on a sandy Entisol. Dry granular N fertilizers were surface applied to irrigated 'Hamlin' orange trees. Ammonia volatilization was evaluated using a semi-open NH<sub>3</sub>
 trapping system with and without additional air circulation, while net N mineralization and leaching losses were evaluated using in situ incubations with polyvinyl chloride (PVC) columns. Significant N losses by NH<sub>3</sub>
volatilization were observed from applied N fertilizers, which accounted for up to 13% of applied N as AN. and 33% as UR with additional air circulation in the collection chamber. These values were significantly greater than those observed with no additional air circulation. Maximum rates of NH<sub>3</sub>
 volatilization occurred within 5 d after fertilizer application and were greater during the day than during the evening. This study demonstrated that fertilizer use efficiency is reduced due to increased gaseous losses of NH<sub>3</sub>
 when urea is used, and that N fertilization affects soil N mineralization in a short time period after fertilizer application. Fertilization decreased N mineralization and increased the amount of soil microbial biomass N during incubation. Leaching of N accounted to 13% of applied N during a 90-d period.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A32C02C1</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002A32B03B3</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Pollution eau</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Water pollution</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Contaminación agua</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Fertilisation azotée</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Nitrogen fertilization</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Fertilización nitrogenada</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Volatilisation</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Volatilization</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Volatilización</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Minéralisation</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Mineralization</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Mineralización</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Verger</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Orchard</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Huerto</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>Lessivage</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Leaching</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Lavado</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Perte</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Loss</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Pérdida</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Biomasse microbienne</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Microbial biomass</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Biomasa microbiana</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>Urée</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Urea</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Urea</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Ammoniac</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Ammonia</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Amoníaco</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Ammonium Nitrate</s0>
<s2>NC</s2>
<s2>NA</s2>
<s2>FX</s2>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Ammonium Nitrates</s0>
<s2>NC</s2>
<s2>NA</s2>
<s2>FX</s2>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Amonio Nitrato</s0>
<s2>NC</s2>
<s2>NA</s2>
<s2>FX</s2>
<s5>17</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Floride</s0>
<s2>NG</s2>
<s5>20</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Florida</s0>
<s2>NG</s2>
<s5>20</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Florida</s0>
<s2>NG</s2>
<s5>20</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Sol sableux</s0>
<s2>NT</s2>
<s5>24</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Sandy soil</s0>
<s2>NT</s2>
<s5>24</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Suelo arenoso</s0>
<s2>NT</s2>
<s5>24</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Cycle azote</s0>
<s5>33</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Nitrogen cycle</s0>
<s5>33</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Ciclo nitrógeno</s0>
<s5>33</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Poncirus trifoliata  Citrus paradisi</s0>
<s2>NS</s2>
<s4>INC</s4>
<s5>76</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE"><s0>Quartzipsamment</s0>
<s2>NT</s2>
<s4>INC</s4>
<s5>88</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>Etats Unis</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>United States</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Estados Unidos</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Amérique du Nord</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>North America</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>America del norte</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Amérique</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>America</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>America</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Cycle biogéochimique</s0>
<s5>34</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Biogeochemical cycle</s0>
<s5>34</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Ciclo biogeoquímico</s0>
<s5>34</s5>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Agrume</s0>
<s5>39</s5>
</fC07>
<fC07 i1="09" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>39</s5>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Agrios</s0>
<s5>39</s5>
</fC07>
<fC07 i1="10" i2="X" l="FRE"><s0>Porte greffe</s0>
<s5>41</s5>
</fC07>
<fC07 i1="10" i2="X" l="ENG"><s0>Rootstock</s0>
<s5>41</s5>
</fC07>
<fC07 i1="10" i2="X" l="SPA"><s0>Portainjerto</s0>
<s5>41</s5>
</fC07>
<fC07 i1="11" i2="X" l="FRE"><s0>Engrais azoté</s0>
<s5>50</s5>
</fC07>
<fC07 i1="11" i2="X" l="ENG"><s0>Nitrogen fertilizer</s0>
<s5>50</s5>
</fC07>
<fC07 i1="11" i2="X" l="SPA"><s0>Fertilizante nitrogenado</s0>
<s5>50</s5>
</fC07>
<fC07 i1="12" i2="X" l="FRE"><s0>Entisol</s0>
<s2>NT</s2>
<s5>62</s5>
</fC07>
<fC07 i1="12" i2="X" l="ENG"><s0>Entisols</s0>
<s2>NT</s2>
<s5>62</s5>
</fC07>
<fC07 i1="12" i2="X" l="SPA"><s0>Entisols</s0>
<s2>NT</s2>
<s5>62</s5>
</fC07>
<fC07 i1="13" i2="X" l="FRE"><s0>Psamment</s0>
<s4>INC</s4>
<s5>93</s5>
</fC07>
<fN21><s1>012</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 04-0014752 INIST</NO>
<ET>Nitrogen volatilization and mineralization in a sandy entisol of Florida under citrus</ET>
<AU>MATTOS (D. JR); ALVA (A. K.); PARAMASIVAM (S.); GRAETZ (D. A.)</AU>
<AF>Centro de Citricultura Sylvio Moreira-IAC, Cordeirópolis/SP/Brésil (1 aut.); USDA ARS, Vegetable and Forage Crop Research Unit/Prosser, Washington/Etats-Unis (2 aut.); Savannah State University, Marine Environmental Science and Biotechnology Research Center/Savannah, Georgia/Etats-Unis (3 aut.); University of Florida, Soil and Water Science Department/Gainesville, Florida/Etats-Unis (4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Communications in soil science and plant analysis; ISSN 0010-3624; Coden CSOSA2; Etats-Unis; Da. 2003; Vol. 34; No. 13-14; Pp. 1803-1824; Bibl. 40 ref.</SO>
<LA>Anglais</LA>
<EA>Increasingly nitrate nitrogen (NO<sub>3</sub>
-N) is found in excess of maximum contaminant limit (MCL) in groundwater adjacent to citrus production areas of central Florida. Understanding of fate of N in the environment following the application of fertilizers is critical to improve nutrient  uptake efficiency, minimize nutrient losses and reduce the adverse effects on the groundwater. A study evaluated ammonia volatilization (NH<sub>3</sub>
) and effects of ammonium nitrate (AN) and urea (UR) on N budget of citrus trees on a sandy Entisol. Dry granular N fertilizers were surface applied to irrigated 'Hamlin' orange trees. Ammonia volatilization was evaluated using a semi-open NH<sub>3</sub>
 trapping system with and without additional air circulation, while net N mineralization and leaching losses were evaluated using in situ incubations with polyvinyl chloride (PVC) columns. Significant N losses by NH<sub>3</sub>
volatilization were observed from applied N fertilizers, which accounted for up to 13% of applied N as AN. and 33% as UR with additional air circulation in the collection chamber. These values were significantly greater than those observed with no additional air circulation. Maximum rates of NH<sub>3</sub>
 volatilization occurred within 5 d after fertilizer application and were greater during the day than during the evening. This study demonstrated that fertilizer use efficiency is reduced due to increased gaseous losses of NH<sub>3</sub>
 when urea is used, and that N fertilization affects soil N mineralization in a short time period after fertilizer application. Fertilization decreased N mineralization and increased the amount of soil microbial biomass N during incubation. Leaching of N accounted to 13% of applied N during a 90-d period.</EA>
<CC>002A32C02C1; 002A32B03B3</CC>
<FD>Pollution eau; Fertilisation azotée; Volatilisation; Minéralisation; Verger; Efficacité nutriment; Lessivage; Perte; Biomasse microbienne; Citrus sinensis; Urée; Ammoniac; Ammonium Nitrate; Floride; Sol sableux; Cycle azote; Poncirus trifoliata  Citrus paradisi; Quartzipsamment</FD>
<FG>Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Etats Unis; Amérique du Nord; Amérique; Cycle biogéochimique; Agrume; Porte greffe; Engrais azoté; Entisol; Psamment</FG>
<ED>Water pollution; Nitrogen fertilization; Volatilization; Mineralization; Orchard; Nutrient recovery; Leaching; Loss; Microbial biomass; Citrus sinensis; Urea; Ammonia; Ammonium Nitrates; Florida; Sandy soil; Nitrogen cycle</ED>
<EG>Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; United States; North America; America; Biogeochemical cycle; Citrus fruit; Rootstock; Nitrogen fertilizer; Entisols</EG>
<SD>Contaminación agua; Fertilización nitrogenada; Volatilización; Mineralización; Huerto; Eficacia nutrimento; Lavado; Pérdida; Biomasa microbiana; Citrus sinensis; Urea; Amoníaco; Amonio Nitrato; Florida; Suelo arenoso; Ciclo nitrógeno</SD>
<LO>INIST-15396.354000112325360030</LO>
<ID>04-0014752</ID>
</server>
</inist>
</record>

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Nitrogen volatilization and mineralization in a sandy entisol of Florida under citrus

Nitrogen volatilization and mineralization in a sandy entisol of Florida under citrus

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