| |
|
|
|
Registro completo
|
|
Biblioteca (s) : |
INIA Treinta y Tres. |
|
Fecha : |
01/02/2016 |
|
Actualizado : |
11/10/2019 |
|
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
|
Autor : |
TARLERA, S.; CAPURRO, M.C.; IRISARRI, P.; FERNÁNDEZ SCAVINO, A.; CANTOU, G.; ROEL, A. |
|
Afiliación : |
SILVANA TARLERA, FACULTAD DE QUÍMICA, UDELAR, UY.; MARIA CRISTINA CAPURRO BAZZANO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; PILAR IRISARRI, FACULTAD DE AGRONOMÍA, UDELAR, UY.; ANA FERNÀNDEZ SCAVINO, FACULTAD DE QUÍMICA, UDELAR, UY.; MARIA GUILLERMINA CANTOU MAYOL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALVARO ROEL DELLAZOPPA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
|
Título : |
Yield-scaled global potential of two irrigation management systems in a highly productive rice systems. |
|
Fecha de publicación : |
2016 |
|
Fuente / Imprenta : |
Scientia Agricola, 2016, v. 73, no. 1 p. 43-50. |
|
ISSN : |
1678-992X |
|
DOI : |
10.1590/0103-9016-2015-0050 |
|
Idioma : |
Inglés |
|
Notas : |
Article history: Received February 06, 2015; accepted June 05, 2015; published 2016. |
|
Contenido : |
Abstract:
Water management impacts both methane (CH4) and nitrous oxide (N2O) emissions from rice paddy fields. Although controlled irrigation is one of the most important tools for reducing CH4emission in rice production systems it can also increase N2O emissions and reduce crop yields. Over three years, CH4 and N2O emissions were measured in a rice field in Uruguay under two different irrigation management systems, using static closed chambers: conventional water management (continuous flooding after 30 days of emergence, CF30); and an alternative system (controlled deficit irrigation allowing for wetting and drying, AWDI). AWDI showed mean cumulative CH4 emission values of 98.4 kg CH4 ha−1, 55 % lower compared to CF30, while no differences in nitrous oxide emissions were observed between treatments ( p > 0.05). No yield differences between irrigation systems were observed in two of the rice seasons ( p > 0.05) while AWDI promoted yield reduction in one of the seasons ( p< 0.05). When rice yield and greenhouse gases (GHG) emissions were considered together, the AWDI irrigation system allowed for lower yield-scaled total global warming potential (GWP). Higher irrigation water productivity was achieved under AWDI in two of the three rice seasons. These findings suggest that AWDI could be an option for reducing GHG emissions and increasing irrigation water productivity. However, AWDI may compromise grain yield in certain years, reflecting the importance of the need for fine tuning of this irrigation strategy and an assessment of the overall tradeoff between relationships in order to promote its adoption by farmers. MenosAbstract:
Water management impacts both methane (CH4) and nitrous oxide (N2O) emissions from rice paddy fields. Although controlled irrigation is one of the most important tools for reducing CH4emission in rice production systems it can also increase N2O emissions and reduce crop yields. Over three years, CH4 and N2O emissions were measured in a rice field in Uruguay under two different irrigation management systems, using static closed chambers: conventional water management (continuous flooding after 30 days of emergence, CF30); and an alternative system (controlled deficit irrigation allowing for wetting and drying, AWDI). AWDI showed mean cumulative CH4 emission values of 98.4 kg CH4 ha−1, 55 % lower compared to CF30, while no differences in nitrous oxide emissions were observed between treatments ( p > 0.05). No yield differences between irrigation systems were observed in two of the rice seasons ( p > 0.05) while AWDI promoted yield reduction in one of the seasons ( p< 0.05). When rice yield and greenhouse gases (GHG) emissions were considered together, the AWDI irrigation system allowed for lower yield-scaled total global warming potential (GWP). Higher irrigation water productivity was achieved under AWDI in two of the three rice seasons. These findings suggest that AWDI could be an option for reducing GHG emissions and increasing irrigation water productivity. However, AWDI may compromise grain yield in certain years, reflecting the importance of the need for ... Presentar Todo |
|
Palabras claves : |
EMISIONES DE METANO; EMISIONES DE ÓXIDO NITROSO; EMISSIONS; GREENHOUSE GASES; METHANE; MITIGATION; NITROUS OXIDE. |
|
Thesagro : |
ARROZ; GASES DE EFECTO INVERNADERO; MANEJO DEL AGUA; RIEGO. |
|
Asunto categoría : |
P01 Conservación de la naturaleza y recursos de La tierra |
|
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/5473/1/Capurro-arb-2016-1.pdf
|
|
Marc : |
LEADER 02708naa a2200349 a 4500
001 1054246
005 2019-10-11
008 2016 bl uuuu u00u1 u #d
022 $a1678-992X
024 7 $a10.1590/0103-9016-2015-0050$2DOI
100 1 $aTARLERA, S.
245 $aYield-scaled global potential of two irrigation management systems in a highly productive rice systems.$h[electronic resource]
260 $c2016
500 $aArticle history: Received February 06, 2015; accepted June 05, 2015; published 2016.
520 $aAbstract: Water management impacts both methane (CH4) and nitrous oxide (N2O) emissions from rice paddy fields. Although controlled irrigation is one of the most important tools for reducing CH4emission in rice production systems it can also increase N2O emissions and reduce crop yields. Over three years, CH4 and N2O emissions were measured in a rice field in Uruguay under two different irrigation management systems, using static closed chambers: conventional water management (continuous flooding after 30 days of emergence, CF30); and an alternative system (controlled deficit irrigation allowing for wetting and drying, AWDI). AWDI showed mean cumulative CH4 emission values of 98.4 kg CH4 ha−1, 55 % lower compared to CF30, while no differences in nitrous oxide emissions were observed between treatments ( p > 0.05). No yield differences between irrigation systems were observed in two of the rice seasons ( p > 0.05) while AWDI promoted yield reduction in one of the seasons ( p< 0.05). When rice yield and greenhouse gases (GHG) emissions were considered together, the AWDI irrigation system allowed for lower yield-scaled total global warming potential (GWP). Higher irrigation water productivity was achieved under AWDI in two of the three rice seasons. These findings suggest that AWDI could be an option for reducing GHG emissions and increasing irrigation water productivity. However, AWDI may compromise grain yield in certain years, reflecting the importance of the need for fine tuning of this irrigation strategy and an assessment of the overall tradeoff between relationships in order to promote its adoption by farmers.
650 $aARROZ
650 $aGASES DE EFECTO INVERNADERO
650 $aMANEJO DEL AGUA
650 $aRIEGO
653 $aEMISIONES DE METANO
653 $aEMISIONES DE ÓXIDO NITROSO
653 $aEMISSIONS
653 $aGREENHOUSE GASES
653 $aMETHANE
653 $aMITIGATION
653 $aNITROUS OXIDE
700 1 $aCAPURRO, M.C.
700 1 $aIRISARRI, P.
700 1 $aFERNÁNDEZ SCAVINO, A.
700 1 $aCANTOU, G.
700 1 $aROEL, A.
773 $tScientia Agricola, 2016$gv. 73, no. 1 p. 43-50.
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA Treinta y Tres (TT) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
|
|
 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
|
Registro completo
|
|
Biblioteca (s) : |
INIA Las Brujas. |
|
Fecha actual : |
21/02/2014 |
|
Actualizado : |
23/10/2019 |
|
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
|
Circulación / Nivel : |
Internacional - -- |
|
Autor : |
SANDERS, D.C.; CURE, J.D.; SPERRY, W.J.; GILSANZ, J.C.; PRINCE, C.A.; BANDELE, O. |
|
Afiliación : |
DOUGLAS C. SANDERS, Universidad de North Carolina State (NCSU); J.D. CURE, Universidad de North Carolina State (NCSU); Universidad de Tennesse; JUAN CARLOS GILSANZ MARTINEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
|
Título : |
Long-term effects of rows per bed and in-row spacing on yield and spear size of asparagus |
|
Fecha de publicación : |
1998 |
|
Fuente / Imprenta : |
HortScience, 1998, 33 (4): 652-654 |
|
DOI : |
10.21273/HORTSCI.33.4.652 |
|
Idioma : |
Inglés |
|
Notas : |
Article history: Received for publication 4 June 1997 / Accepted for publication 28 Oct. 1997 / Print Publication Date: 01 Jul 1998 / Online Publication Date: Jul 1998 |
|
Contenido : |
ABSTRACT.
Three studies were conducted at Clinton, N.C., to investigate the relationship between number of rows per bed, in-row spacing, and spear yield of asparagus (Asparagus officinalis
L. ) over 11to 13years. In the first study, increasing plant densities from 21,550 to 43,100 plants/ha by doubling the number of rows/bed increased the cumulative yield from 64% to 80% for three hybrid lines ('UC 157', 'WSU 1', and 'WSU 2') but only 6% for 'Rutgers Beacon '.The effects of doubling the plant density were still apparent 13years later. In the second study, yields of 'Princeville' ('Mary Washington' selection) crowns, grown at densities from 14,000 to 86,000 plants/ha, were also increased for 8 years by doubling rows at various in-row spacings. In a third study, in which densities ranged from 21,000 to 387,900 plants/ha, the magnitude of the response to rows/bed was dependent on in-row spacing. Efficient use of bed space and the avoidance of crowding exerted a larger influence on productivity than did average planting density. The yield response to rows/ bed was greater and more persistent through the years for wider in-row spacings. Spear size was only marginally responsive to rows per bed and in-row spacing. |
|
Thesagro : |
ASPARAGUS OFFICINALIS; ESPARRAGO. |
|
Asunto categoría : |
-- |
|
Marc : |
LEADER 02014naa a2200229 a 4500
001 1012858
005 2019-10-23
008 1998 bl uuuu u00u1 u #d
024 7 $a10.21273/HORTSCI.33.4.652$2DOI
100 1 $aSANDERS, D.C.
245 $aLong-term effects of rows per bed and in-row spacing on yield and spear size of asparagus
260 $c1998
500 $aArticle history: Received for publication 4 June 1997 / Accepted for publication 28 Oct. 1997 / Print Publication Date: 01 Jul 1998 / Online Publication Date: Jul 1998
520 $aABSTRACT. Three studies were conducted at Clinton, N.C., to investigate the relationship between number of rows per bed, in-row spacing, and spear yield of asparagus (Asparagus officinalis L. ) over 11to 13years. In the first study, increasing plant densities from 21,550 to 43,100 plants/ha by doubling the number of rows/bed increased the cumulative yield from 64% to 80% for three hybrid lines ('UC 157', 'WSU 1', and 'WSU 2') but only 6% for 'Rutgers Beacon '.The effects of doubling the plant density were still apparent 13years later. In the second study, yields of 'Princeville' ('Mary Washington' selection) crowns, grown at densities from 14,000 to 86,000 plants/ha, were also increased for 8 years by doubling rows at various in-row spacings. In a third study, in which densities ranged from 21,000 to 387,900 plants/ha, the magnitude of the response to rows/bed was dependent on in-row spacing. Efficient use of bed space and the avoidance of crowding exerted a larger influence on productivity than did average planting density. The yield response to rows/ bed was greater and more persistent through the years for wider in-row spacings. Spear size was only marginally responsive to rows per bed and in-row spacing.
650 $aASPARAGUS OFFICINALIS
650 $aESPARRAGO
700 1 $aCURE, J.D.
700 1 $aSPERRY, W.J.
700 1 $aGILSANZ, J.C.
700 1 $aPRINCE, C.A.
700 1 $aBANDELE, O.
773 $tHortScience, 1998, 33 (4): 652-654
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA Las Brujas (LB) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
| Expresión de búsqueda válido. Check! |
|
|
