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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha : |
29/04/2015 |
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Actualizado : |
16/09/2016 |
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Tipo de producción científica : |
Trabajos en Congresos/Conferencias |
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Autor : |
DO CARMO, M.; CARDOZO, G.; SOCA, P.M. |
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Afiliación : |
MARTIN DO CARMO CORUJO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GERONIMO AGUSTIN CARDOZO CABANELAS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; PABLO M. SOCA. |
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Título : |
Measurement of campos rangelands herbage mass by simple methods. [Resumen]. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
ANNUAL MEETING OF THE SOCIETY FOR RANGE MANAGEMENT, SRM, 68., Sacramento, USA, 2015. |
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Idioma : |
Inglés |
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Contenido : |
Accurate and precise estimation of herbage mass is essential for livestock management, because herbage allowance depends on it estimation. Difficulties in estimation arise because of great variability in herbage mass in grassland and rangeland situations. Measuring yield directly by cutting is costly and destructive; but herbage height is highly correlated with herbage mass, thus could be a substitute of the cutting. Based on measurement of herbage mass in a large experiment (EEBR) and in four farms across Uruguay (MICN), we analyzed the relationship between herbage height and dry weight of the quadrat in kg/ha. Analysis was performed
with PROC MIXED and PROC CORR of SAS. On the other hand, the sample size to be taken in each paddock is of great importance and was estimated from the data population described above by resampling and estimating the coefficient of variation (CV) between means. A CV of 10% was defined as the limit to consider the estimation precise enough. The general relationship was y = 224 (±36) + x * 339 (±4), R2 = 0.84. Sample size to maintain the average with a CV error below 10% varied with mean, because it change the variance, however as a general rule, with a sample size between 60 to 100 only one estimation from 198, was above 10% error of the mean. We conclude that estimations based on herbage height are accurate enough (R2 = 0.84) to estimate the herbage mass and a sample size from
60 to 100, give as confidence to estimate herbage mass with precision in paddocks from 5 to 190 ha. That methodology should be extended to Campos rangeland manager for decision making to control grazing intensity. MenosAccurate and precise estimation of herbage mass is essential for livestock management, because herbage allowance depends on it estimation. Difficulties in estimation arise because of great variability in herbage mass in grassland and rangeland situations. Measuring yield directly by cutting is costly and destructive; but herbage height is highly correlated with herbage mass, thus could be a substitute of the cutting. Based on measurement of herbage mass in a large experiment (EEBR) and in four farms across Uruguay (MICN), we analyzed the relationship between herbage height and dry weight of the quadrat in kg/ha. Analysis was performed
with PROC MIXED and PROC CORR of SAS. On the other hand, the sample size to be taken in each paddock is of great importance and was estimated from the data population described above by resampling and estimating the coefficient of variation (CV) between means. A CV of 10% was defined as the limit to consider the estimation precise enough. The general relationship was y = 224 (±36) + x * 339 (±4), R2 = 0.84. Sample size to maintain the average with a CV error below 10% varied with mean, because it change the variance, however as a general rule, with a sample size between 60 to 100 only one estimation from 198, was above 10% error of the mean. We conclude that estimations based on herbage height are accurate enough (R2 = 0.84) to estimate the herbage mass and a sample size from
60 to 100, give as confidence to estimate herbage mass with precisi... Presentar Todo |
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Thesagro : |
FORRAJES; PASTURAS. |
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Asunto categoría : |
A50 Investigación agraria |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/4400/1/DO-CARMO-2015-AINFO.pdf
http://www.rangelands.org/events/
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Marc : |
LEADER 02135nam a2200157 a 4500
001 1052580
005 2016-09-16
008 2015 bl uuuu u01u1 u #d
100 1 $aDO CARMO, M.
245 $aMeasurement of campos rangelands herbage mass by simple methods. [Resumen].$h[electronic resource]
260 $aANNUAL MEETING OF THE SOCIETY FOR RANGE MANAGEMENT, SRM, 68., Sacramento, USA$c2015
520 $aAccurate and precise estimation of herbage mass is essential for livestock management, because herbage allowance depends on it estimation. Difficulties in estimation arise because of great variability in herbage mass in grassland and rangeland situations. Measuring yield directly by cutting is costly and destructive; but herbage height is highly correlated with herbage mass, thus could be a substitute of the cutting. Based on measurement of herbage mass in a large experiment (EEBR) and in four farms across Uruguay (MICN), we analyzed the relationship between herbage height and dry weight of the quadrat in kg/ha. Analysis was performed with PROC MIXED and PROC CORR of SAS. On the other hand, the sample size to be taken in each paddock is of great importance and was estimated from the data population described above by resampling and estimating the coefficient of variation (CV) between means. A CV of 10% was defined as the limit to consider the estimation precise enough. The general relationship was y = 224 (±36) + x * 339 (±4), R2 = 0.84. Sample size to maintain the average with a CV error below 10% varied with mean, because it change the variance, however as a general rule, with a sample size between 60 to 100 only one estimation from 198, was above 10% error of the mean. We conclude that estimations based on herbage height are accurate enough (R2 = 0.84) to estimate the herbage mass and a sample size from 60 to 100, give as confidence to estimate herbage mass with precision in paddocks from 5 to 190 ha. That methodology should be extended to Campos rangeland manager for decision making to control grazing intensity.
650 $aFORRAJES
650 $aPASTURAS
700 1 $aCARDOZO, G.
700 1 $aSOCA, P.M.
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INIA Tacuarembó (TBO) |
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| Registros recuperados : 142 | |
| 43. |  | FAGHERAZZI, A.F.; KRESTZSCHMAR. A.A.; MACEDO, T.A.; VIGNOLO, G.K.; ANTUNES, L.E.C.; KIRSCHBAUM, D.S.; GIMÉNEZ, G.; ZOPPOLO, R.; JOFRE, F.; RUFATO, L. La coltivazione dei piccoli frutti in Sud America: non solo mirtilli. Economia e Tecnica. Rivista di Frutticoltura e Ortofloricoltura, 2017, v.44 (7-8): 44-47.| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
| Biblioteca(s): INIA Las Brujas. |
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| 44. | | FERRARI, V.; IBÁÑEZ, F.; LADO, J.; ALVAREZ, A.; MARTINEZ, C.; MOLTINI, A.; GIMÉNEZ, G.; GONZÁLEZ-ARCOS, M.; RODRÍGUEZ, G.; VICENTE, E. Compuestos bioactivos y capacidad antioxidante en boniatos, frutillas y tomates del Programa de Mejoramiento Genético de INIA. [Resumen] In: INIA (Instituto Nacional de Investigación Agropecuaria); Programa Nacional Producción Hortícola. Resúmenes. Jornada Mejoramiento Genético de Hortalizas: Ciencia y Tecnología para la producción y el consumidor, 2019, Salto, Uruguay. Trabajos de investigación relacionados al proyecto. Salto (UY): INIA, 2019. p. 14-15.| Tipo: Abstracts/Resúmenes |
| Biblioteca(s): INIA Las Brujas. |
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| 45. | | FERRARI, V.; RODRÍGUEZ, G.; GONZÁLEZ-ARCOS, M.; VICENTE, E.; GIMÉNEZ, G.; IBÁÑEZ, F. Nutritional quality and nutraceutical potential of fruits and vegetables as a tool for genetic breeding programs. [Calidad nutricional y potencial nutracéutico de frutas y hortalizas como herramientas para elmejoramiento genético.]. [Qualidade nutricional e potencial nutracêutico de frutas e vegetais como ferramentas de melhoramento genético.] Celebrating the International Year of Fruits and Vegetables. Section 1. Benefits of consuming fruits and vegetables: diets, lifestyles and Agrociencia Uruguay, 2021, vol. 25, NE2, e814. doi: https://doi.org/10.31285/AGRO.25.814 Article history: Received 25 May 2021; Accepted 20 Sep 2021; Published 05 Jan 2022.
Editores: Maximiliano Dini (Instituto Nacional de Investigación Agropecuaria (INIA), Programa Nacional de Investigación en Producción Frutícola, Estación...| Tipo: Artículos en Revistas Indexadas Nacionales | Circulación / Nivel : Nacional - -- |
| Biblioteca(s): INIA Las Brujas. |
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| 49. | | Giménez, G. Aportes de la investigación en INIA para el cultivo de frutilla ln: Jornada sobre resultados experimentales en frutilla: mejoramiento genético, cultivares y fertilización, 2000 Trabajos presentados. Las Brujas, Canelones (Uruguay): INIA, 2000. p. 1-6 (INIA Serie Actividades de Difusión ; 244) INIA Las Brujas| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 50. | | GIMENEZ, G. Asegurando la salud de la población. Suplemento El Observador, 22 de agosto 2014. p. 19 Suplemento: 100 años de INIA La Estanzuela: un siglo promoviendo el desarrollo agropecuario.| Tipo: Artículos en Revistas Agropecuarias |
| Biblioteca(s): INIA Treinta y Tres. |
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| 51. | | GIMÉNEZ, G. Cultivares locales y mejoramiento hortícola en procesos de trayectoria agroecológica. (Capítulo 15). Tercera sección. Tecnologías con enfoque en la productividad y la calidad. Editores: Roberto Zoppolo y Gabriel Ciappesoni. In: Georgina Paula García-Inza; José María Paruelo; Roberto Zoppolo. (eds). Aportes científicos y tecnológicos del Instituto Nacional de Investigación Agropecuaria (INIA) del Uruguay a las trayectorias agroecológicas. Ciudad Autónoma de Buenos Aires : Fundación CICCUS, 2023. p.301-327. p.301-327.| Tipo: Capítulo en Libro Técnico-Científico |
| Biblioteca(s): INIA Las Brujas. |
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| 52. | | GIMÉNEZ, G. Enfermedades causadas por hongos y bacterias In: GIMENEZ, G.; PAULLIER, J.; MAESO, D.; LEONI, C. Identificación y manejo de las principales enfermedades y plagas en el cultivo de frutilla Montevideo (Uruguay): INIA, 2003. p. 9-32 (INIA Boletín de Divulgación ; 82)| Tipo: Capítulo en Libro Técnico-Científico |
| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 53. | | GIMÉNEZ, G. Introducción: producción de frutilla en el Uruguay, la planta de frutilla, la corona, el sistema radicular, las hojas, las flores y los frutos, los estolones, manejo integrado de enfermedades y plagas, monitoreo del cultivo In: GIMENEZ, G.; PAULLIER, J.; MAESO, D.; LEONI, C. Identificación y manejo de las principales enfermedades y plagas en el cultivo de frutilla Montevideo (Uruguay): INIA, 2003. p. 1-8 (INIA Boletín de Divulgación ; 82)| Tipo: Capítulo en Libro Técnico-Científico |
| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 54. | | GIMÉNEZ, G. Jardin de introducción de variedades de frutilla. In: SUH (Sociedad Uruguay de Horticultura); COLHOR (Confederación Latinoamericana de Horticultura); Congreso Iberoamericano, 1., Congreso Latinoamericano, 5., Congreso Nacional de Horticultura, 4. Resúmenes. Montevideo (Uruguay): SUH, COLHOR, 1992. p151| Tipo: Abstracts/Resúmenes |
| Biblioteca(s): INIA Las Brujas. |
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| Registros recuperados : 142 | |
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