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| Registros recuperados : 15 | |
| 1. |  | VILLALBA, J. Control de malezas en Eucalyptus spp. ln: INIA TACUAREMBÓ. Jornada Técnica, 18 noviembre, Canelones, 2010. Protección forestal. Tacuarembó (Uruguay): INIA, 2010. p. 1-8 (INIA Serie Actividades de Difusión ; 629)| Biblioteca(s): INIA Tacuarembó. |
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| 4. | | VILLALBA, J.; FERNÁNDEZ, G. Senecio Madagascariensis Poir In: AYALA, W.; SARAVIA, H. (Eds.). Seminario de actualización técnica en control y manejo de malezas de campo sucio. Montevideo (Uruguay): INIA, 2007 p. 23-28 (INIA Serie Técnica ; 164)| Biblioteca(s): INIA Las Brujas; INIA Tacuarembó. |
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| 9. | | VILLALBA, J.; BESIL, N.; REZENDE, S.; COLAZZO, M.; CESIO, V. Deposición de clomazone en cultivo de arroz y la volatilización posterior a la aplicación. In: Zorrilla, G.; Martínez, S.; Terra, J. A. Saravia, H. (Eds.) Arroz 2018. Montevideo (UY): INIA, 2018. p. 70-72. (INIA Serie Técnica; 246)| Biblioteca(s): INIA Treinta y Tres. |
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| 13. | | ABREO, E.; ROSSINI, C.; VAZ-JAURI, P.; VILLALBA, J. Plant protection for a sustainable agriculture. (Editorial Note). International Journal of Pest Management, 2022, vol. 68, issue 4: "Uruguayan Society of Phytopathology (SUFIT): Plant protection for a sustainable agriculture", p.285. doi: https://doi.org/10.1080/09670874.2022.2089770 Article history: Received 28 May 2022, Accepted 08 Jun 2022, Published online: 21 Jun 2022.
Corresponding author: Eduardo Abreo - eabreo@inia.org.uy (Laboratorio de Bioproducción, Plataforma de Bioinsumos, Instituto Nacional de...| Biblioteca(s): INIA Las Brujas. |
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| 14. | | VILLALBA, J.; REY, L.; GARCIA, A.; KASPARY, T. E.; MUNIZ, M.; GONZÁLEZ, C.; TERRA, M. Efecto del tamaño de gota en la deriva a diferentes distancias de la aplicación. In: Sociedad Uruguaya de Fitopatología Jornada Uruguaya de Fitopatología, 6., Jornada Uruguaya de Protección Vegetal, 4., 21-22 octubre, 2021, Montevideo, Uruguay. Libro de resúmenes. Montevideo (UY): Sociedad Uruguay de Fitopatología (SUFIT), 2021. p. 85. Financiamiento: INIA- Facultad de Agronomía.| Biblioteca(s): INIA La Estanzuela. |
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| Registros recuperados : 15 | |
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 | Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
18/09/2014 |
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Actualizado : |
15/05/2015 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
A - 2 |
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Autor : |
ROEL, A.; HEILMAN, J.L.; MCCAULEY, G.N. |
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Afiliación : |
ALVARO ROEL DELLAZOPPA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Water use and plant response in two rice irrigation methods. |
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Fecha de publicación : |
1999 |
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Fuente / Imprenta : |
Agricultural Water Management, 1999, v. 39, no. 1, p. 35-46. |
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ISSN : |
0378-3774 |
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DOI : |
10.1016/S0378-3774(98)00087-0 |
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Idioma : |
Inglés |
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Contenido : |
Abstract
Pin-Point (PP) irrigation is being used by rice producers in the southern US to suppress red rice (Oryza sativa), the major weed in rice production. In PP irrigation, germinated seed is dropped into the floodwater. After 24 h the field is drained, remains moist for 3 to 5 days, then reflooded until near harvest. Little is known about water use of the PP method in comparison to the conventional Flush-Flood (FF) method in which germinated seed is also dropped into the floodwater and the field is drained after 24 h, similar to PP, or the field is drill-seeded, flooded and drained, but permanent flood is delayed for 30 to 35 days. During this 30 to 35 days non-flood period, flushing (periodic irrigation) is used to maintain seedling contact with the soil and prevent water stress. Water use of PP and FF irrigated rice was studied during 1994 and 1995 growing seasons near Beaumont, TX. Three plots were subjected to the PP irrigation technique and three to the FF method. A flow meter measured irrigation water applied, and lysimeters measured evapotranspiration, transpiration, and evaporation. The FF method required an average of 113 mm more irrigation water than the PP method, due to flushing of FF plots during the non-flood period. Evapotranspiration (ET) was higher for PP plots during the period when FF plots were dry. During the flood period, ET in FF plots was higher than in PP plots in 1994, due to mainly a lower leaf area index and a more open canopy which led to greater evaporation from the water surface. No differences in ET were found in 1995. Stomatal conductance was lower in FF plots during the non-flood period, indicating some degree of water stress. Irrigation method did not affect yield, but the PP method reduced time to 100% heading by 5 to 7 days. These results suggest that the PP method can be useful not only to suppress red rice, but also to save water and produce an earlier maturing crop. Early maturity is particularly important in areas where ratoon cropping is practiced. MenosAbstract
Pin-Point (PP) irrigation is being used by rice producers in the southern US to suppress red rice (Oryza sativa), the major weed in rice production. In PP irrigation, germinated seed is dropped into the floodwater. After 24 h the field is drained, remains moist for 3 to 5 days, then reflooded until near harvest. Little is known about water use of the PP method in comparison to the conventional Flush-Flood (FF) method in which germinated seed is also dropped into the floodwater and the field is drained after 24 h, similar to PP, or the field is drill-seeded, flooded and drained, but permanent flood is delayed for 30 to 35 days. During this 30 to 35 days non-flood period, flushing (periodic irrigation) is used to maintain seedling contact with the soil and prevent water stress. Water use of PP and FF irrigated rice was studied during 1994 and 1995 growing seasons near Beaumont, TX. Three plots were subjected to the PP irrigation technique and three to the FF method. A flow meter measured irrigation water applied, and lysimeters measured evapotranspiration, transpiration, and evaporation. The FF method required an average of 113 mm more irrigation water than the PP method, due to flushing of FF plots during the non-flood period. Evapotranspiration (ET) was higher for PP plots during the period when FF plots were dry. During the flood period, ET in FF plots was higher than in PP plots in 1994, due to mainly a lower leaf area index and a more open canopy which led to gr... Presentar Todo |
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Palabras claves : |
EVAPORACION; EVAPOTRANSPIRACION; REQUERIMIENTOS DE AGUA; TRANSPIRACION. |
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Thesagro : |
ARROZ IRRIGADO. |
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Asunto categoría : |
F06 Riego |
|
Marc : |
LEADER 02692naa a2200229 a 4500
001 1050382
005 2015-05-15
008 1999 bl uuuu u00u1 u #d
022 $a0378-3774
024 7 $a10.1016/S0378-3774(98)00087-0$2DOI
100 1 $aROEL, A.
245 $aWater use and plant response in two rice irrigation methods.$h[electronic resource]
260 $c1999
520 $aAbstract Pin-Point (PP) irrigation is being used by rice producers in the southern US to suppress red rice (Oryza sativa), the major weed in rice production. In PP irrigation, germinated seed is dropped into the floodwater. After 24 h the field is drained, remains moist for 3 to 5 days, then reflooded until near harvest. Little is known about water use of the PP method in comparison to the conventional Flush-Flood (FF) method in which germinated seed is also dropped into the floodwater and the field is drained after 24 h, similar to PP, or the field is drill-seeded, flooded and drained, but permanent flood is delayed for 30 to 35 days. During this 30 to 35 days non-flood period, flushing (periodic irrigation) is used to maintain seedling contact with the soil and prevent water stress. Water use of PP and FF irrigated rice was studied during 1994 and 1995 growing seasons near Beaumont, TX. Three plots were subjected to the PP irrigation technique and three to the FF method. A flow meter measured irrigation water applied, and lysimeters measured evapotranspiration, transpiration, and evaporation. The FF method required an average of 113 mm more irrigation water than the PP method, due to flushing of FF plots during the non-flood period. Evapotranspiration (ET) was higher for PP plots during the period when FF plots were dry. During the flood period, ET in FF plots was higher than in PP plots in 1994, due to mainly a lower leaf area index and a more open canopy which led to greater evaporation from the water surface. No differences in ET were found in 1995. Stomatal conductance was lower in FF plots during the non-flood period, indicating some degree of water stress. Irrigation method did not affect yield, but the PP method reduced time to 100% heading by 5 to 7 days. These results suggest that the PP method can be useful not only to suppress red rice, but also to save water and produce an earlier maturing crop. Early maturity is particularly important in areas where ratoon cropping is practiced.
650 $aARROZ IRRIGADO
653 $aEVAPORACION
653 $aEVAPOTRANSPIRACION
653 $aREQUERIMIENTOS DE AGUA
653 $aTRANSPIRACION
700 1 $aHEILMAN, J.L.
700 1 $aMCCAULEY, G.N.
773 $tAgricultural Water Management, 1999$gv. 39, no. 1, p. 35-46.
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