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Conference object . 2014 . Peer-reviewed
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Fenología de las gramíneas en tres épocas de aprovechamiento forrajero de los prados de la vertiente sur de la Cordillera Cantábrica (León)

Authors: García Navarro, Ricardo; del Río, Sara; Valdés, Carmen; López, Secundino;

Fenología de las gramíneas en tres épocas de aprovechamiento forrajero de los prados de la vertiente sur de la Cordillera Cantábrica (León)

Abstract

Se estudia el estado fenológico de 11 gramíneas en 14 prados de la Comarca de Riaño (Montaña de León) en tres momentos de corte relacionados con la gestión de los recursos forrajeros: para aprovechamiento directo “en verde”, para conservación mediante ensilado “ensilado temprano” y para conservación más tardía “ensilado tardío”. La caracterización del estado fenológico de cada especie se realizó mediante la descripción de 5-25 tallos. Los estados fenológicos medios en los distintos momentos de corte fueron: 27,4 (final del alargamiento de los tallos), 31,1 (emergencia de la inflorescencia) y 34,0 (alargamiento del pedúnculo de la espiga). Los tres momentos de corte ligados a los aprovechamientos, pueden identificarse atendiendo al estado fenológico predominante que alcanzan tres especies: Anthoxanthum odoratum, Poa pratensis y Lolium perenne. El aprovechamiento temprano “en verde” se identifica con las especies A. odoratum y P. pratensis (en estado de antesis y preantesis respectivamente); el aprovechamiento para “ensilado temprano” con P. pratensis y L. perenne (en preantesis y espiga totalmente emergida) y el aprovechamiento para “ensilado tardío” con A. odoratum y P. pratensis (en estados de postantesis y antesis respectivamente).

Este trabajo se llevó a cabo con la financiación de la Junta de Castilla y León con el programa de ayudas a la actividad investigadora al grupo de excelencia GR158.

8 páginas, 2 tablas.-- Trabajo presentado a la 52ª Reunión Científica de la SEEP (Badajoz (España), 8-12 abril, 2013).

Peer reviewed

Country
Spain
Related Organizations
Keywords

Phenological stage, Growth stage, Fases de crecimiento, Cutting time and conservation, Conservación, Especies forrajeras , conservación., Momentos de corte, Growth stages, Forage species

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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