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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
28/01/1997 |
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Data da última atualização: |
28/01/1997 |
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Autoria: |
ANDRADE, R. P. de; THOMAS, D. |
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Título: |
Effects of cutting or grazing in the wet season on seed production in Andropogon gayanus var. Bisquamulatus (Hochst.) Stapf. |
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Ano de publicação: |
1984 |
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Fonte/Imprenta: |
Journal of Applied Seed Production, v.2, p.29-31, 1984. |
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Idioma: |
Inglês |
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Conteúdo: |
The effects of time of cutting or grazing in the wet season on seed production in the tropical grass Andropogon gayanus var. Bisquamulatus (Hochst.). Stapf. were investigated in two experiments over three seasons. The work was conducted in the tropical savanna region of Brazil at latitude 15o36' S and longitude 47o 42' W. Cutting in mid-January gave the highest seed yields while cutting in mid-March reduced seed yields by 63 percent compared to the uncut control. Tillering was increased by cutting but inflorescence density was unaffected. Cutting reduced the proportion of fertile tillers but did not influence seed size. The highest seed yields under grazing were obtained when animals were excluded in mid-February. The application of the results to seed production practice is discussed briefly. |
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Palavras-Chave: |
Brasil; Seed production. |
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Thesagro: |
Andropogon Gayanus; Cerrado; Pastejo; Poda; Produção; Semente. |
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Thesaurus Nal: |
Brazil; cutting; grazing. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01519naa a2200265 a 4500
001 1552238
005 1997-01-28
008 1984 bl --- 0-- u #d
100 1 $aANDRADE, R. P. de
245 $aEffects of cutting or grazing in the wet season on seed production in Andropogon gayanus var. Bisquamulatus (Hochst.) Stapf.
260 $c1984
520 $aThe effects of time of cutting or grazing in the wet season on seed production in the tropical grass Andropogon gayanus var. Bisquamulatus (Hochst.). Stapf. were investigated in two experiments over three seasons. The work was conducted in the tropical savanna region of Brazil at latitude 15o36' S and longitude 47o 42' W. Cutting in mid-January gave the highest seed yields while cutting in mid-March reduced seed yields by 63 percent compared to the uncut control. Tillering was increased by cutting but inflorescence density was unaffected. Cutting reduced the proportion of fertile tillers but did not influence seed size. The highest seed yields under grazing were obtained when animals were excluded in mid-February. The application of the results to seed production practice is discussed briefly.
650 $aBrazil
650 $acutting
650 $agrazing
650 $aAndropogon Gayanus
650 $aCerrado
650 $aPastejo
650 $aPoda
650 $aProdução
650 $aSemente
653 $aBrasil
653 $aSeed production
700 1 $aTHOMAS, D.
773 $tJournal of Applied Seed Production$gv.2, p.29-31, 1984.
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