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| 61. |  | GIMÉNEZ, A.; RIOS, A. Girasol: Control de malezas In: GIMÉNEZ, A.; RESTAINO, E. (Eds.). Girasol y soja : algunos aspectos tecnológicos de producción para el litoral oeste de Uruguay. Montevideo (Uruguay): INIA, 1994. p15-23 (INIA Boletin de Divulgacion; 47) Convenio INIA - Cámara de Aceites Comestibles - Facultad de Agronomía| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 67. | | Gimenez, A.; Rios, A. Malezas ln: Dia de Campo Cultivos de Invierno, 1991 nov : La Estanzuela [Memorias]. Montevideo (Uruguay): INIA, 1991. p41-43 (sic) Dia de Campo Cultivos de Invierno (INIA) Participó el Proyecto Cultivos de La Estanzuela| Biblioteca(s): INIA La Estanzuela. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
21/02/2014 |
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Actualizado : |
30/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
B - 3 |
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Autor : |
CARRASCO-LETELIER, L.; EGUREN, G.; CASTIÑEIRA, C.; PARRA, O.; PANARIO, D. |
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Afiliación : |
LEONIDAS CARRASCO-LETELIER, Environmental Sciences Center EULA-CHILE, University of Concepcion, Chile.; GABRIELA EGUREN, Faculty of Sciences, University of Republic, Uruguay.; National Commission of Archeology, Ministery of Education and Culture, Uruguay.; Environmental Sciences Center EULA-CHILE, University of Concepcion, Chile.; Faculty of Sciences, University of Republic, Uruguay. |
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Título : |
Preliminary study of prairies forested with Eucalyptus sp. at the northwestern Uruguayan soils |
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Fecha de publicación : |
2004 |
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Fuente / Imprenta : |
Environmental Pollution, 2004, v. 127, n. 1, p. 49-55 |
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Idioma : |
Inglés |
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Contenido : |
Abstract:
The land cover change of Uruguayan Forestal Plan provoked biogeochemical changes on horizon Au1 of Argiudols; in native prairies which were replaced by monoculture Eucalyptus sp. plantation with 20 year rotations as trees. Five fields forested and six natural prairies were compared. The results not only show a statistical significant soil acidification, diminution of soil organic carbon, increase of aliphaticity degree of humic substances, and increase of affinity and capacity of hydrolytic activity from soil microbial communities for forested sites with Eucalyptus sp. but also, a tendency of podzolization and/or mineralization by this
kind of land cover changes, with a net soil organic lost of 16.6 tons ha1 in the horizon Au1 of soil under Eucalyptus sp. plantation compared with prairie. Besides, these results point out the necessity of correction of the methodology used by assigned Uruguayan commission to assess the national net emission of greenhouse gases, since the mineralization and/or podzolization process detected in forested soil imply a overestimation of soil organic carbon. The biochemical parameters show a statistical significant correlation between the soil organic carbon status and these parameters which were presented as essential for the correct evaluation of Uruguayan soil carbon sink. |
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Palabras claves : |
CAMBIO COBERTURA DEL SUELO; CARBON DIOXIDE; EUCALIPTO; EUCALYPTUS SP; LAND COVER CHANGE; SOIL CARBON SINK; SOIL ORGANIC CARBON. |
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Thesagro : |
CARBONO ORGANICO DEL SUELO; DIOXIDO DE CARBONO. |
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Asunto categoría : |
-- |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/13683/1/Environmental-Pollution-127-2004-4955.pdf
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Marc : |
LEADER 02159naa a2200277 a 4500
001 1049918
005 2019-10-30
008 2004 bl uuuu u00u1 u #d
100 1 $aCARRASCO-LETELIER, L.
245 $aPreliminary study of prairies forested with Eucalyptus sp. at the northwestern Uruguayan soils$h[electronic resource]
260 $c2004
520 $aAbstract: The land cover change of Uruguayan Forestal Plan provoked biogeochemical changes on horizon Au1 of Argiudols; in native prairies which were replaced by monoculture Eucalyptus sp. plantation with 20 year rotations as trees. Five fields forested and six natural prairies were compared. The results not only show a statistical significant soil acidification, diminution of soil organic carbon, increase of aliphaticity degree of humic substances, and increase of affinity and capacity of hydrolytic activity from soil microbial communities for forested sites with Eucalyptus sp. but also, a tendency of podzolization and/or mineralization by this kind of land cover changes, with a net soil organic lost of 16.6 tons ha1 in the horizon Au1 of soil under Eucalyptus sp. plantation compared with prairie. Besides, these results point out the necessity of correction of the methodology used by assigned Uruguayan commission to assess the national net emission of greenhouse gases, since the mineralization and/or podzolization process detected in forested soil imply a overestimation of soil organic carbon. The biochemical parameters show a statistical significant correlation between the soil organic carbon status and these parameters which were presented as essential for the correct evaluation of Uruguayan soil carbon sink.
650 $aCARBONO ORGANICO DEL SUELO
650 $aDIOXIDO DE CARBONO
653 $aCAMBIO COBERTURA DEL SUELO
653 $aCARBON DIOXIDE
653 $aEUCALIPTO
653 $aEUCALYPTUS SP
653 $aLAND COVER CHANGE
653 $aSOIL CARBON SINK
653 $aSOIL ORGANIC CARBON
700 1 $aEGUREN, G.
700 1 $aCASTIÑEIRA, C.
700 1 $aPARRA, O.
700 1 $aPANARIO, D.
773 $tEnvironmental Pollution, 2004$gv. 127, n. 1, p. 49-55
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