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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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Biblioteca(s): INIA Las Brujas. |
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28. | | CALVO, M.C.; DELGADO, S.; DUARTE, F.; GARCIA, F.; SCATONI, I.; GONZÁLEZ, A. Fruit flies (Diptera: Tephritidae) and hosts association in different ecosystems in Uruguay. International Journal of Pest Management, 2022, vol. 68, issue 4: "Uruguayan Society of Phytopathology (SUFIT): Plant protection for a sustainable agriculture", p.369-380. doi: https://doi.org/10.1080/09670874.2022.2126023 Article history: Received 30 April 2022, Accepted 10 September 2022, Published online: 11 November 2022. Funding: The authors want to thank Emily Silva and Mity Schlesener from UFPel and Eugenia Lorenzo from the UDELAR for their support,...Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
Biblioteca(s): INIA Las Brujas. |
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Biblioteca(s): INIA Las Brujas. |
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34. | | MOLINA, F.; TERRA, J.A.; OXLEY, A. M.; MARELLA, M.; CASTERÁ, F.; PLATERO, A.; GARCÍA, F.; ROVIRA, G.; ESCOSTEGUY, C. Indicadores tecnológicos-productivos zafra arrocera 2020-2021. In: Terra, J. A.; Martínez, S.; Saravia, H.; Mesones, B. (Eds.) Arroz 2021. Montevideo (UY): INIA, 2022. p. 1-5. (INIA Serie Técnica; 262)Tipo: Capítulo en Libro Técnico-Científico |
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36. | | BLUMETTO, O.; CASTAGNA, A.; CARDOZO, G.; GARCIA, F.; TISCORNIA, G.; RUGGIA, A.; SCARLATO, S.; ALBICETTE, M.M.; AGUERRE, V.; ALBÍN, A. Ecosystem integrity index, an innovative environmental evaluation tool for agricultural production systems. Ecological indicators, 2019, v. 101, p. 725-733. Article history: Received 4 July 2018; Received in revised form 9 January 2019; Accepted 29 January 2019.Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : -- - -- |
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38. | | MOLINA, F.; TERRA, J.A.; ROEL, A.; OXLEY, A.; MARELLA, M.; CASTERÁ, F.; PLATERO, A.; GARCÍA, F.; ROVIRA, G.; ESCOSTEGUI, C. Indicadores tecnológicos-productivos zafra arrocera 2020-2021. [Informe de zafra]. Treinta y Tres, (Uruguay): INIA, 2021, 18 p.Biblioteca(s): INIA Treinta y Tres. |
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