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Colloquium Agrariae
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Colloquium Agrariae
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Colloquium Agrariae
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Colloquium Agrariae
Article . 2014
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CARACTERÍSTICAS PRODUTIVAS, ESTRUTURAIS E NUTRITIVAS DE GRAMÍNEAS TROPICAIS SOB PASTEJO

Authors: Lucas Guilherme Bulegon; Deise Dalazen Castagnara; Nivaldo Karvatte Júnior; Paulo Sergio Rabello de Oliveira; Marcela Abbado Neres;

CARACTERÍSTICAS PRODUTIVAS, ESTRUTURAIS E NUTRITIVAS DE GRAMÍNEAS TROPICAIS SOB PASTEJO

Abstract

Objetivou-se estudar as características produtivas, estruturais e nutricionais dos capins Brachiaria ruziziensis, Brachiaria brizantha cv. MG5 e Panicum maximum cvs. Áries e Mombaça sob pastejo. O experimento foi conduzido à campo sob o delineamento de blocos ao acaso com parcelas subdivididas no tempo, estudando-se as quatro gramíneas e dois períodos de crescimento das plantas 47 e 87 dias após a semeadura (DAS). Estudou-se a produção de matéria seca total, de folhas e colmos, e as proporções destes na forragem. Também foram avaliadas a altura de plantas, perfilhamento, diâmetro do colmo, número e comprimento de folhas, comprimento de colmos e relação folha/colmo, e os teores de proteína bruta, FDN, FDA e hemicelulose. A produção de matéria seca total, de folhas e colmos foi superior no segundo período de crescimento, com destaque para a elevada produção de matéria seca de folhas do capim Mombaça. As forrageiras apresentaram características estruturais diferenciadas que foram afetadas também pelos períodos de crescimento. O teor de proteína bruta foi superior no capim Mombaça no segundo período de crescimento. Todas as forrageiras elevaram o teor de FDA no segundo período de crescimento. Em pastagens manejadas sob pastejo com intervalos de 40 dias, o capim Mombaça apresenta elevada produção de forragem com maior proporção de folhas, reduzido alongamento de colmos, e teor de proteína bruta superior.

Keywords

S, forrageiras, Agriculture (General), Brachiaria, Agriculture, Panicum maximum, proteína bruta, S1-972

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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
gold