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As Pastagens - Passado, Presente e Futuro

Sown pastures - Past, Present and Future
Authors: Salgueiro,Teodósio Augusto;

As Pastagens - Passado, Presente e Futuro

Abstract

Foi só em 1965 que se começaram a semear pastagens em Portugal, muito embora se tivesse iniciado, na segunda metade do século XIX, o desenvolvimento das forragens com base científica. A comparação dos recenseamentos gerais de agricultura de 1989 e 1999 mostra que a área dedicada à pecuária (pousio, prados temporários, pastagens permanentes e culturas forrageiras) aumentou 11%, abrangendo 2,6 milhões de hectares, ou seja, 67% da SAU (superfície agrícola utilizada). Todavia, o acréscimo dos efectivos de bovinos, ovinos e caprinos foi apenas de 0,4%, devido à forte diminuição destes, e a evolução da produção animal, designadamente a de carne, não correspondeu à subida da área consagrada à alimentação animal. Como a grande maioria das pastagens permanentes são naturais, aponta-se a sua reconversão para pastagens semeadas. Quanto ao pousio, este deve dar o lugar a pastagens semeadas, permanentes ou temporárias, consoante os solos e a topografia.

Revista de Ciências Agrárias, vol. 31 n.º 1 (2008)

Keywords

produção animal, recenseamentos da agricultura, pastagens permanentes e semeadas

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selected citations
These citations are derived from selected sources.
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).
BIP!Citations provided by BIP!
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.
BIP!Popularity provided by BIP!
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.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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