Nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting
8 páginas, 4 tablas.
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| Format: | artículo biblioteca |
| Language: | English |
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CSIRO Publishing
2011
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| Subjects: | Chemical compositions, Digestibility, Forage, Rumen fermentation kinetics, |
| Online Access: | http://hdl.handle.net/10261/60004 |
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dig-igm-es-10261-600042021-03-18T16:23:37Z Nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting Bochi-Brum, O. García, R. Bodas, Raúl Calleja, Alfredo Andrés, Sonia López, Secundino Chemical compositions Digestibility Forage Rumen fermentation kinetics 8 páginas, 4 tablas. The aim of this study was to investigate the influence of harvest season and nitrogen (N) fertilisation on chemical composition and digestibility of the herbage harvested from a mountain meadow (of the vegetation type Arrhenatheretalia). Four rates ofNfertiliser (0, 60, 120 and 180 kg N/ha per year in a single spring application of calciumammoniumnitrate) were compared in field-replicated plots. The experiment lasted 7 years. During the first 3 years each plot was harvested twice per year (June and September) according to a traditional harvest system, whereas in the last 3 years (after a transitional year) each plot was harvested three times per year (spring, summer and autumn) following a more intensive harvest system. In both harvest systems, herbage collected in the first cut (early or late June) had higher fibre contents and lower digestibility (P < 0.001) than herbage collected in the regrowth.Nfertiliser increased significantly (P < 0.001) the annual yield of herbage in the 2-harvest system, but did not affect (P > 0.10) herbage yield in the 3-cuts system. N fertiliser changed the botanical composition of herbage and promoted grass growth, resulting in increased (P < 0.05) fibre content and decreased (P < 0.05) digestibility and rate of degradation of herbage, these effects being variable in the different harvest seasons. Our results suggest that the more intensive management system without N fertilisation could be considered a suitable practice for the management of these botanically complex mountain meadows. These results may contribute to design fertilisation and management practices of mountain hay meadows to optimise their productivity and sustainability. This research was part of the project GR158 supported by funds provided by ‘Consejería de Educación de la Junta de Castilla y León’. Peer reviewed 2012-11-12T12:19:20Z 2012-11-12T12:19:20Z 2011 artículo http://purl.org/coar/resource_type/c_6501 Animal Production Science 51(6) : 549-556 (2011) 1836-0939 http://hdl.handle.net/10261/60004 10.1071/AN10182 en http://dx.doi.org/10.1071/AN10182 none CSIRO Publishing |
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Europa del Sur |
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Biblioteca del IGM España |
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English |
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Chemical compositions Digestibility Forage Rumen fermentation kinetics Chemical compositions Digestibility Forage Rumen fermentation kinetics |
| spellingShingle |
Chemical compositions Digestibility Forage Rumen fermentation kinetics Chemical compositions Digestibility Forage Rumen fermentation kinetics Bochi-Brum, O. García, R. Bodas, Raúl Calleja, Alfredo Andrés, Sonia López, Secundino Nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting |
| description |
8 páginas, 4 tablas. |
| format |
artículo |
| topic_facet |
Chemical compositions Digestibility Forage Rumen fermentation kinetics |
| author |
Bochi-Brum, O. García, R. Bodas, Raúl Calleja, Alfredo Andrés, Sonia López, Secundino |
| author_facet |
Bochi-Brum, O. García, R. Bodas, Raúl Calleja, Alfredo Andrés, Sonia López, Secundino |
| author_sort |
Bochi-Brum, O. |
| title |
Nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting |
| title_short |
Nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting |
| title_full |
Nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting |
| title_fullStr |
Nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting |
| title_full_unstemmed |
Nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting |
| title_sort |
nutritive value of herbage from mountain hay meadow managed under traditional and intensive harvest systems as affected by nitrogen fertilisation and time of cutting |
| publisher |
CSIRO Publishing |
| publishDate |
2011 |
| url |
http://hdl.handle.net/10261/60004 |
| work_keys_str_mv |
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