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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
23/01/2018 |
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Data da última atualização: |
23/01/2018 |
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Autoria: |
BOWDLER, T. M.; LOWE, K. F. |
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Título: |
Forage production from irrigated oats or ryegrass grown with annual legumes or nitrogen in south-eastern Queensland. |
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Ano de publicação: |
1980 |
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Fonte/Imprenta: |
Queensland Journal of Agricultural and Animal Sciences, v. 37, n. 2, p. 133-140, Dec. 1980. |
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Idioma: |
Inglês |
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Conteúdo: |
The production of irrigated oats (Avena strigosa) Saia and Lolium rigidum Wimmera grown with annual temperate legumes or N fertilizer was studied over 2 yr on a black earth at Gatton, SE Queensland. Medicago truncatula Jemalong grown with oats or L. rigidum was more productive than alternative legume/grass forage combinations including red clover, white clover Ladino, subterranean clover Clare, lucerne Hunter River and M. littoralis Harbinger |
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Palavras-Chave: |
Feed crops. |
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Thesagro: |
Avena Strigosa; Medicago Sativa. |
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Thesaurus Nal: |
Avena nuda; Lolium rigidum. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01054naa a2200193 a 4500
001 2086126
005 2018-01-23
008 1980 bl uuuu u00u1 u #d
100 1 $aBOWDLER, T. M.
245 $aForage production from irrigated oats or ryegrass grown with annual legumes or nitrogen in south-eastern Queensland.
260 $c1980
520 $aThe production of irrigated oats (Avena strigosa) Saia and Lolium rigidum Wimmera grown with annual temperate legumes or N fertilizer was studied over 2 yr on a black earth at Gatton, SE Queensland. Medicago truncatula Jemalong grown with oats or L. rigidum was more productive than alternative legume/grass forage combinations including red clover, white clover Ladino, subterranean clover Clare, lucerne Hunter River and M. littoralis Harbinger
650 $aAvena nuda
650 $aLolium rigidum
650 $aAvena Strigosa
650 $aMedicago Sativa
653 $aFeed crops
700 1 $aLOWE, K. F.
773 $tQueensland Journal of Agricultural and Animal Sciences$gv. 37, n. 2, p. 133-140, Dec. 1980.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Amapá. |
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Data corrente: |
04/10/2011 |
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Data da última atualização: |
29/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
PAIVA, P. M.; GUEDES, M. C.; FUNI, C. |
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Afiliação: |
PAULO MARCELO VERAS DE PAIVA, CPAF-AP; MARCELINO CARNEIRO GUEDES, CPAF-AP; Claudia Funi, Programa de Pós-Graduação em Biodiversidade Tropical, Universidade Federal do Amapá. |
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Título: |
Brazil nut conservation through shifting cultivation. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Forest Ecology and Management, v. 261, n. 3, p. 508-541, Feb. 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
The regeneration of Brazil nut trees depends on tree-fall gaps in the forest. However, shifting cultivation fallows also create comparable biotic and abiotic opportunities for the dispersion and establishment of this gap-loving species. At the same time, the ability of Brazil nut trees to resprout enables fallow individuals to survive successive slash-and-burn cycles. Recognizing the importance of shifting cultivation for the food security of forest dwellers, we investigated whether the high level of Brazil nut regeneration found in cultivation fallows could be explained by the resprouting capability of Brazil nut trees, the number of cultivation cycles, past agricultural use and distance to the nearest conspecific productive adults. We found that the Brazil nut tree population density increased from 8.86 trees ha?1 to 13.69 trees ha?1 and 27.09 trees ha?1 at sites after one, two and three or more shifting cultivation cycles, respectively. As a consequence of resprouting, after a certain number of shifting cultivation cycles, the fallows become dominated by Brazil nut trees, and the landholders may decide to preserve them and to exclude enriched sites from future agricultural use. Protected for their extractive value, the secondary forests spontaneously enriched with Brazil nut trees are allowed to develop into nut-producing forests that have reduced chances of conversion into crops or pastures, thus reversing the classical process of Amazon forest degradation. |
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Palavras-Chave: |
Cultivo. |
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Thesagro: |
Castanha. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/42810/1/AP-2011-Brazilnut.pdf
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Marc: |
LEADER 01955naa a2200169 a 4500
001 1902187
005 2017-05-29
008 2011 bl uuuu u00u1 u #d
100 1 $aPAIVA, P. M.
245 $aBrazil nut conservation through shifting cultivation.$h[electronic resource]
260 $c2011
520 $aThe regeneration of Brazil nut trees depends on tree-fall gaps in the forest. However, shifting cultivation fallows also create comparable biotic and abiotic opportunities for the dispersion and establishment of this gap-loving species. At the same time, the ability of Brazil nut trees to resprout enables fallow individuals to survive successive slash-and-burn cycles. Recognizing the importance of shifting cultivation for the food security of forest dwellers, we investigated whether the high level of Brazil nut regeneration found in cultivation fallows could be explained by the resprouting capability of Brazil nut trees, the number of cultivation cycles, past agricultural use and distance to the nearest conspecific productive adults. We found that the Brazil nut tree population density increased from 8.86 trees ha?1 to 13.69 trees ha?1 and 27.09 trees ha?1 at sites after one, two and three or more shifting cultivation cycles, respectively. As a consequence of resprouting, after a certain number of shifting cultivation cycles, the fallows become dominated by Brazil nut trees, and the landholders may decide to preserve them and to exclude enriched sites from future agricultural use. Protected for their extractive value, the secondary forests spontaneously enriched with Brazil nut trees are allowed to develop into nut-producing forests that have reduced chances of conversion into crops or pastures, thus reversing the classical process of Amazon forest degradation.
650 $aCastanha
653 $aCultivo
700 1 $aGUEDES, M. C.
700 1 $aFUNI, C.
773 $tForest Ecology and Management$gv. 261, n. 3, p. 508-541, Feb. 2011.
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Embrapa Amapá (CPAF-AP) |
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