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| Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
21/02/2014 |
Actualizado : |
11/11/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
FABRIZZI,K,P.; MORON, A.; GARCÍA, F.O. |
Afiliación : |
KARINA P. FABRIZZI,, Consejo Nacional de Investigaciones Cientificas(CONICET), Facultad de Ciencias Agrarias, Universidad de Mar del Plata, Argentina.; DAVID ALEJANDRO MORON YACOEL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FERNANDO O. GARCÍA, INPOFOS ,Santa Fe, Argentina. |
Título : |
Soil Carbon and Nitrogen Organic Fractions in Degraded vs. Non-Degraded Mollisols in Argentina. |
Fecha de publicación : |
2003 |
Fuente / Imprenta : |
Soil Science Society of America Journal, November 2003, Volume 67, Issue 6, Pages 1831-1841. |
DOI : |
10.2136/sssaj2003.1831 |
Idioma : |
Inglés |
Notas : |
Article history: Received: Dec 5, 2001/Published: Nov, 2003. |
Contenido : |
Abstract:
The use of no-tillage has notably increased in the Pampas region of Argentina during the last 10 yr. Two tillage experiments with contrasting previous agricultural use, degraded and non-degraded soils, were evaluated in the southeast of Buenos Aires province, Argentina. The objectives were to: (i) quantify the effects of tillage and N fertilization on quantity and vertical distribution of C and N in the soil organic matter (SOM) and particulate organic matter (POM) fractions as well as potentially mineralizable N (PMN), and (ii) evaluate these fractions as indicators of soil quality. Tillage systems were conventional tillage (CT), minimum tillage (MT), and no-tillage (NT) (main plots), and N fertilization rates were 0, 120, and 150 kg ha?1 (subplots). Total organic C (TOC), total N (TN), POM-C, POM-N, and PMN were measured at 0- to 7.5- and 7.5- to 15-cm soil depth. In Exp. I (degraded soil) TOC was greater under NT (27 g kg?1) than under CT (24 g kg?1) in the 0-N treatments. No differences in TOC and TN were found in Exp. II at 0 to 7.5 cm (non-degraded soil). Carbon in POM and POM-N were greater under NT in the fractions of 212 to 2000 and 53 to 212 ?m at 0 to 7.5 cm, but they were similar or greater under CT at 7.5- to 15-cm depth in Exp. I. Stratification of TOC, TN, and POM were observed under NT in Exp. I. Potentially mineralizable N was greater under NT (62 mg kg?1) in Exp. I, however, no differences in PMN were observed in Exp. II. Carbon in POM 212 to 2000 ?m and PMN were the more sensitive indicators of tillage effects, mainly in Exp. I. MenosAbstract:
The use of no-tillage has notably increased in the Pampas region of Argentina during the last 10 yr. Two tillage experiments with contrasting previous agricultural use, degraded and non-degraded soils, were evaluated in the southeast of Buenos Aires province, Argentina. The objectives were to: (i) quantify the effects of tillage and N fertilization on quantity and vertical distribution of C and N in the soil organic matter (SOM) and particulate organic matter (POM) fractions as well as potentially mineralizable N (PMN), and (ii) evaluate these fractions as indicators of soil quality. Tillage systems were conventional tillage (CT), minimum tillage (MT), and no-tillage (NT) (main plots), and N fertilization rates were 0, 120, and 150 kg ha?1 (subplots). Total organic C (TOC), total N (TN), POM-C, POM-N, and PMN were measured at 0- to 7.5- and 7.5- to 15-cm soil depth. In Exp. I (degraded soil) TOC was greater under NT (27 g kg?1) than under CT (24 g kg?1) in the 0-N treatments. No differences in TOC and TN were found in Exp. II at 0 to 7.5 cm (non-degraded soil). Carbon in POM and POM-N were greater under NT in the fractions of 212 to 2000 and 53 to 212 ?m at 0 to 7.5 cm, but they were similar or greater under CT at 7.5- to 15-cm depth in Exp. I. Stratification of TOC, TN, and POM were observed under NT in Exp. I. Potentially mineralizable N was greater under NT (62 mg kg?1) in Exp. I, however, no differences in PMN were observed in Exp. II. Carbon in POM 212 to 2000... Presentar Todo |
Palabras claves : |
CORN; NO-TILLAGE; NO-TILLAGE SYSTEMS; ORGANIC MATTER IN SOIL; SOIL QUALITY; SOYBEANS; ZERO TILLAGE. |
Thesagro : |
CONSERVACION DE SUELOS; MANEJO DE SUELOS; SUELOS. |
Asunto categoría : |
P30 Ciencia del suelo y manejo del suelo |
Marc : |
LEADER 02494naa a2200289 a 4500 001 1049560 005 2019-11-11 008 2003 bl uuuu u00u1 u #d 024 7 $a10.2136/sssaj2003.1831$2DOI 100 1 $aFABRIZZI,K,P. 245 $aSoil Carbon and Nitrogen Organic Fractions in Degraded vs. Non-Degraded Mollisols in Argentina.$h[electronic resource] 260 $c2003 500 $aArticle history: Received: Dec 5, 2001/Published: Nov, 2003. 520 $aAbstract: The use of no-tillage has notably increased in the Pampas region of Argentina during the last 10 yr. Two tillage experiments with contrasting previous agricultural use, degraded and non-degraded soils, were evaluated in the southeast of Buenos Aires province, Argentina. The objectives were to: (i) quantify the effects of tillage and N fertilization on quantity and vertical distribution of C and N in the soil organic matter (SOM) and particulate organic matter (POM) fractions as well as potentially mineralizable N (PMN), and (ii) evaluate these fractions as indicators of soil quality. Tillage systems were conventional tillage (CT), minimum tillage (MT), and no-tillage (NT) (main plots), and N fertilization rates were 0, 120, and 150 kg ha?1 (subplots). Total organic C (TOC), total N (TN), POM-C, POM-N, and PMN were measured at 0- to 7.5- and 7.5- to 15-cm soil depth. In Exp. I (degraded soil) TOC was greater under NT (27 g kg?1) than under CT (24 g kg?1) in the 0-N treatments. No differences in TOC and TN were found in Exp. II at 0 to 7.5 cm (non-degraded soil). Carbon in POM and POM-N were greater under NT in the fractions of 212 to 2000 and 53 to 212 ?m at 0 to 7.5 cm, but they were similar or greater under CT at 7.5- to 15-cm depth in Exp. I. Stratification of TOC, TN, and POM were observed under NT in Exp. I. Potentially mineralizable N was greater under NT (62 mg kg?1) in Exp. I, however, no differences in PMN were observed in Exp. II. Carbon in POM 212 to 2000 ?m and PMN were the more sensitive indicators of tillage effects, mainly in Exp. I. 650 $aCONSERVACION DE SUELOS 650 $aMANEJO DE SUELOS 650 $aSUELOS 653 $aCORN 653 $aNO-TILLAGE 653 $aNO-TILLAGE SYSTEMS 653 $aORGANIC MATTER IN SOIL 653 $aSOIL QUALITY 653 $aSOYBEANS 653 $aZERO TILLAGE 700 1 $aMORON, A. 700 1 $aGARCÍA, F.O. 773 $tSoil Science Society of America Journal, November 2003, Volume 67, Issue 6, Pages 1831-1841.
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Registros recuperados : 120 | |
1. | | Morón, A. Alfalfa y fertilidad de suelos ln: "Consorcios Regionales de Experimentación Agrícola; Instituto Nacional de Investigación Agropecuaria (Uruguay) ". Jornada sobre alfalfa. [s.l.]: INIA La Estanzuela, 1996. p. 10-12Biblioteca(s): INIA La Estanzuela. |
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3. | | MORON, A. Azufre: consideraciones sobre su situación en Uruguay In: MORON, A.; MARTINO, D.; SAWCHIK, J. (Eds.). Manejo y fertilidad de suelos . Montevideo (Uruguay): INIA, 1996. p. 73-79 (INIA Serie Técnica ; 76) Información presentada en el II Curso de Actualización Técnica Manejo y Fertilidad de Suelos, 1995 set 4-8, La EstanzuelaTipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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4. | | MORON, A. Dinámica del fósforo en tres sistemas agrícolas en el suroeste de Uruguay: resumen In: ASOCIACIÓN DE INGENIEROS AGRÓNOMOS REGIONALES; INIA (INSTITUTO NACIONAL DE INVESTIGACIÓN AGROPECUARIA); SIMPOSIO SUSTENTABILIDAD DE LAS ROTACIONES CULTIVO - PASTURA, 8-9 AGOSTO 1991, PAYSANDÚ, URUGUAY. Resumenes. Montevideo (Uruguay): INIA, 1991. p.5 (INIA Serie Tecnica; 11) Trabajos publicados en la Revista INIA Investigaciones Agronómicas 1992 v.1(1)Tipo: Abstracts/Resúmenes |
Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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5. | | MORON, A. Descomposición de rastrojos en siembra directa ln: Reunión técnica sobre siembra directa, 2001 Trabajos presentados. Las Brujas, Canelones (Uruguay): INIA, 2001. p. 14 INIA Las BrujasTipo: Trabajos en Congresos/Conferencias |
Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Treinta y Tres. |
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6. | | Morón, A. Descomposición de rastrojos ln: Reunión Técnica Viabilización de la Siembra Directa en Sistemas Mixtos de Producción, 1998 abr 22-24 : La Estanzuela, Colonia [Memorias]. La Estanzuela, Colonia (Uruguay): INIA ; Programa Cooperativo para el Desarrollo Tecnológico Agropecuario del Cono Sur, 1998. p27Biblioteca(s): INIA La Estanzuela. |
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7. | | MORON, A. El ciclo del nitrógeno en el sistema suelo-planta-animal In: MORON, A.; RISSO, D. (Coords.). Nitrógeno en pasturas Seminario de Actualización Técnica INIA La Estanzuela, 13 octubre de 1994. Montevideo (Uruguay): INIA, 1994. p. 1-12 (INIA Serie Técnica ; 51)Tipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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8. | | MORON, A. El Ciclo del nitrogeno en el sistema suelo-planta-animal In: RISSO, D.; BERRETTA, E.J.; MORON, A. (Eds.). Producción y manejo de pasturas. Seminario técnico, 17-19 octubre 1995, INIA Tacuarembó. Montevideo (Uruguay): INIA, 1996. p21-32 (INIA Serie Técnica; 80)Tipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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11. | | MORON, A. Efecto de las Rotaciones y el Laboreo en la Calidad del Suelo. In: INIA LA ESTANZUELA. Sustentabilidad de la intensificación agrícola en el Uruguay. Resumenes del Simposio Mercedes, (Uruguay): INIA, 2004. p. 7-9. (INIA Serie Actividades de Difusión ; 365). "Instituto de la Potasa y el Fósforo; Fertilizar"Biblioteca(s): INIA La Estanzuela; INIA Treinta y Tres. |
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12. | | Morón, A. Estimaciones del impacto de la agricultura y la ganadería en el suelo en Uruguay ln: Morón, A.; coord. Efectos de la agricultura, la lechería y la ganadería en el recurso natural suelo: impactos y propuestas: resúmenes expandidos. Montevideo (Uruguay): INIA, 2009. p. 17-21 (INIA Serie Actividades de Difusión ; 587) INIA La EstanzuelaTipo: Actividades de Difusión |
Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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18. | | MORON, A. Fósforo: disponibilidad y dinámica en el suelo In: MORON, A.; MARTINO, D.; RESTAINO, E. Manejo y fertilidad de suelos Montevideo (Uruguay): INIA, 1994. p. 27-31 (INIA Serie Técnica; 42) Información presentada al I Curso de Actualización Manejo y Fertilidad de Suelos, 1994 may : La EstanzuelaTipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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19. | | MORON, A. El fósforo en los sistemas productivos: dinámica y disponibilidad en el suelo (I) In: MORON, A.; MARTINO, D.; SAWCHIK, J. (Eds.). Manejo y fertilidad de suelos . Montevideo (Uruguay): INIA, 1996. p. 37-44 (INIA Serie Técnica ; 76) Información presentada en el II Curso de Actualización Técnica Manejo y Fertilidad de Suelos, 1995 set 4-8, La EstanzuelaTipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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Registros recuperados : 120 | |
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