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Biblioteca (s) :  INIA Tacuarembó.
Fecha :  22/04/2021
Actualizado :  22/04/2021
Tipo de producción científica :  Artículos en Revistas Indexadas Nacionales
Autor :  GIORELLO, D.; SBRISSIA, A.F.; DA SILVA, S.C.
Afiliación :  DIEGO GERMAN GIORELLO LEITES, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANDRÉ FISCHER SBRISSIA, Universidade do Estado de Santa Catarina, Lages (SC), Brazil; SILA CARNEIRO DA SILVA, Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”, Departamento de Zootecnia, Piracicaba (SP), Brazil.
Título :  Herbage accumulation, morphological composition, and nutritive value of Paspalum notatum CV. INIA Sepé [Acumulación de forraje, composición morfológica y valor nutritivo de Paspalum notatum CV. INIA Sepé]. [Acúmulo de forragem, composição morfológica e valor nutritivo de Paspalum notatum CV. INIA Sepé].
Fecha de publicación :  2021
Fuente / Imprenta :  Agrociencia Uruguay, 2021, 25(1):1-14. Doi: https: https://doi.org/10.31285/AGRO.25.348
ISSN :  e-ISSN: 2301-1548
DOI :  10.31285/AGRO.25.348
Idioma :  Inglés
Notas :  Article history: Received 2 Apr 2020; Accepted 10 Dec 2020; Published 20 Apr 2021. Acknowledgments: The experimental study was funded by INIA (Na#2;tional Institute for Agricultural Research), while the Doctoral training was funded by a grant awarded by ANII (National Agency for Research and Innova#2;tion). Editor: Rafael Reyno, Instituto Nacional de Investigación Agropecuaria (INIA), Tacuarembó, Uruguay.
Contenido :  Abstract: Defoliation strategies determine sward canopy structure and affect forage accumulation and nutritive value. The objective of this study was to determine forage accumulation, morphological composition and nutritive value of INIA Sepé subjected to combinations of three frequencies (defoliation at 90%, 95% and maximum canopy light interception during regrowth ?LI90%, LI95% and LIMax), and two severities of defoliation (40 and 60% of the precutting height). The experiment was carried out from November 15th, 2018 to March 31st, 2019 in Tacuarembó. Measurements of LI and canopy height, forage mass morphological composition and nutritional value were carried out. Forage mass was greater in Feb-March. The percentage of leaves was greater for the higher defoliation frequency treatment (LI90%). The percentage of stems did not vary among treatments (average of 23%). The percentage of dead material was greater for the lower defoliation frequency treatment (LIMax) and 40% defoliation severity. Greater ADF and NDF values and smaller digestibility were recorded for LIMax/40% combination. For LI90%, greater ADF and NDF, and smaller digestibility were recorded for the 60% defoliation severity (Feb-March). Forage accumulation was greater for LI90% and LI95%. INIA Sepé shows large flexibility to defoliation management, and the optimal pre-cutting target should not exceed LI95% (i.e. 30 cm of canopy height) in order to ensure production of high nutritive value forage and harvest effic... Presentar Todo
Palabras claves :  ACUMULACIÓN DE FORRAJE; HERBAGE ACCUMULATION; NUTRITIONAL VALUE; PASPALUM NOTATUM; VALOR NUTRITIVO.
Thesagro :  PASTURAS.
Asunto categoría :  A50 Investigación agraria
URL :  http://www.ainfo.inia.uy/digital/bitstream/item/15508/1/Giorello-Agrociencia2021.pdf
Marc :  Presentar Marc Completo
Registro original :  INIA Tacuarembó (TBO)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
TBO103410 - 1INIAP - DDPP/Agrociencia Uruguay/2021

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1.Imagen marcada / sin marcar GIORELLO, D.; SBRISSIA, A.F.; DA SILVA, S.C. Herbage accumulation, morphological composition, and nutritive value of Paspalum notatum CV. INIA Sepé [Acumulación de forraje, composición morfológica y valor nutritivo de Paspalum notatum CV. INIA Sepé]. [Acúmulo de forragem, composição morfológica e valor nutritivo de Paspalum notatum CV. INIA Sepé]. Agrociencia Uruguay, 2021, 25(1):1-14. Doi: https: https://doi.org/10.31285/AGRO.25.348 Article history: Received 2 Apr 2020; Accepted 10 Dec 2020; Published 20 Apr 2021. Acknowledgments: The experimental study was funded by INIA (Na#2;tional Institute for Agricultural Research), while the Doctoral training was funded by a...
Tipo: Artículos en Revistas Indexadas NacionalesCirculación / Nivel : Internacional - --
Biblioteca(s): INIA Tacuarembó.
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