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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
15/12/1999 |
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Data da última atualização: |
05/07/2019 |
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Autoria: |
BERBARA, R. L. L.; FREIRE, L. R.; FERNANDES, M. S. |
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Afiliação: |
RICARDO LUÍS LOURO BERBARA, Universidade Federal Rural do Rio de Janeiro - UFRRJ; LUÍS RODRIGUES FREIRE, Universidade Federal Rural do Rio de Janeiro - UFRRJ; MANLIO SILVESTRE FERNANDES, Universidade Federal Rural do Rio de Janeiro - UFRRJ. |
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Título: |
Influência da colonização micorrizica arbuscular sobre a nutrição do quibeiro. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 34, n. 9, p. 1645-53, set. 1999 |
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Idioma: |
Português |
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Notas: |
Título em inglês: Influence of arbuscular mycorrhiza fungi on the nutrition of okra plant. |
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Conteúdo: |
Foram estudados em casa de vegetacao alguns parametros de crescimento em planta de quiabo (Abelmoschus esculentus (L.) Moench cv. Piranema) colonizadas por dois grupos de fungos micorrizicos arbusculares, com o objetivo de determinar a influencia dos inoculos na nutricao e morfologia radicular do quiabeiro. Um grupo continha apenas esporos de Acauslospora longula (A) enquanto o outro, esporos de oito especies: Glomus occultum, Glomus aggregatum, Glomus microcarpum, Acaulospora longula, Acaulospora morrowae, Sclerocystis coremioides, Sclerocystis sinuosa, Scutellospora pellucida. As plantas foram submetidas a tres niveis de P (0, 10 e 60 kg ha-1 de P2 O5) e coletadas em tres diferents idades (22, 32 e 47 dias), com quatro repeticoes para cada tratamento. Foi determinado o acumulo de N, P, K, e Mg na raiz e parte aerea, bem como o influxo medio desses elementos e a area radicular. Os resultados indicaram, alem da resposta positiva do quiabeiro ao P, uma maior eficiencia da inoculacao com mistura de especies apesar de o influxo medio, determinado aos 47 dias, apresentar maiores valores para o tratamento com A, longula. |
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Palavras-Chave: |
Mycorrhiza; Nutricao de plantas. |
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Thesagro: |
Abelmoschus Esculentus; Micorriza; Quiabo. |
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Thesaurus Nal: |
okra; plant nutrition. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/16491/1/pab97_056.pdf
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Marc: |
LEADER 01904naa a2200241 a 4500
001 1100950
005 2019-07-05
008 1999 bl uuuu u00u1 u #d
100 1 $aBERBARA, R. L. L.
245 $aInfluência da colonização micorrizica arbuscular sobre a nutrição do quibeiro.
260 $c1999
500 $aTítulo em inglês: Influence of arbuscular mycorrhiza fungi on the nutrition of okra plant.
520 $aForam estudados em casa de vegetacao alguns parametros de crescimento em planta de quiabo (Abelmoschus esculentus (L.) Moench cv. Piranema) colonizadas por dois grupos de fungos micorrizicos arbusculares, com o objetivo de determinar a influencia dos inoculos na nutricao e morfologia radicular do quiabeiro. Um grupo continha apenas esporos de Acauslospora longula (A) enquanto o outro, esporos de oito especies: Glomus occultum, Glomus aggregatum, Glomus microcarpum, Acaulospora longula, Acaulospora morrowae, Sclerocystis coremioides, Sclerocystis sinuosa, Scutellospora pellucida. As plantas foram submetidas a tres niveis de P (0, 10 e 60 kg ha-1 de P2 O5) e coletadas em tres diferents idades (22, 32 e 47 dias), com quatro repeticoes para cada tratamento. Foi determinado o acumulo de N, P, K, e Mg na raiz e parte aerea, bem como o influxo medio desses elementos e a area radicular. Os resultados indicaram, alem da resposta positiva do quiabeiro ao P, uma maior eficiencia da inoculacao com mistura de especies apesar de o influxo medio, determinado aos 47 dias, apresentar maiores valores para o tratamento com A, longula.
650 $aokra
650 $aplant nutrition
650 $aAbelmoschus Esculentus
650 $aMicorriza
650 $aQuiabo
653 $aMycorrhiza
653 $aNutricao de plantas
700 1 $aFREIRE, L. R.
700 1 $aFERNANDES, M. S.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 34, n. 9, p. 1645-53, set. 1999
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
01/12/2023 |
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Data da última atualização: |
01/12/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 3 |
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Autoria: |
TAVARES, P. A.; FERREIRA, J. N.; SILVA, C. V. J.; BERENGUER, E.; BARLOW, J. |
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Afiliação: |
PAULO AMADOR TAVARES, UNIVERSIDADE FEDERAL DO PARÁ; JOICE NUNES FERREIRA, CPATU; CAMILA V. J. SILVA, LANCASTER UNIVERSITY; ERIKA BERENGUER, LANCASTER UNIVERSITY; JOS BARLOW, LANCASTER UNIVERSITY. |
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Título: |
Exploring the role of deforestation and cropland expansion in driving a fire-transition in the Brazilian Amazon. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Land, v. 11, n. 12, Article 2274, 2022. |
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DOI: |
https://doi.org/10.3390/land11122274 |
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Idioma: |
Inglês |
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Conteúdo: |
The Brazilian Amazonian Forest is undergoing significant changes in land use and land cover in the last few decades. This land-use transition, besides climate change, may be responsible for the fire regime transition in this territory. Therefore, we aimed at investigating how the fire-transition occurs over time in the Brazilian Amazonia Forest and identifying the key parameters that can help to predict this change. For this, we collected yearly data on fire occurrence, forest cover, deforestation rates, and cropland areas. We used a 0.45° spatial surface grid, and with these annual values, we produced: (i) generalised linear mixed models of fire occurrence against forest cover, using years and grids as random factors; (ii) annual linear models of fire occurrence against forest cover; (iii) linear models of the apex values against the years; and (iv) generalised linear models of these apex values against deforestation and cropland areas. We found that there is a fire-transition process in the Brazilian Amazon Forest since a quadratic model better predicted the fire occurrence behaviour. Moreover, the fire occurrence apex is transitioning to more forested landscapes, from 50.7% in 2003 to 55% in 2019 (R² = 0.3). The deforestation rates and the cropland expansion had important relationships with the fire-transition, the first is related to the fire occurrence in the landscape (R² = 0.62), while the second better predicts the transition to more forested areas (R² = 0.38). Thus, we found that the fire-transition in the Brazilian Amazon Forest is strongly related to the land-use transition stages in this region. MenosThe Brazilian Amazonian Forest is undergoing significant changes in land use and land cover in the last few decades. This land-use transition, besides climate change, may be responsible for the fire regime transition in this territory. Therefore, we aimed at investigating how the fire-transition occurs over time in the Brazilian Amazonia Forest and identifying the key parameters that can help to predict this change. For this, we collected yearly data on fire occurrence, forest cover, deforestation rates, and cropland areas. We used a 0.45° spatial surface grid, and with these annual values, we produced: (i) generalised linear mixed models of fire occurrence against forest cover, using years and grids as random factors; (ii) annual linear models of fire occurrence against forest cover; (iii) linear models of the apex values against the years; and (iv) generalised linear models of these apex values against deforestation and cropland areas. We found that there is a fire-transition process in the Brazilian Amazon Forest since a quadratic model better predicted the fire occurrence behaviour. Moreover, the fire occurrence apex is transitioning to more forested landscapes, from 50.7% in 2003 to 55% in 2019 (R² = 0.3). The deforestation rates and the cropland expansion had important relationships with the fire-transition, the first is related to the fire occurrence in the landscape (R² = 0.62), while the second better predicts the transition to more forested areas (R² = 0.38). Thus,... Mostrar Tudo |
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Palavras-Chave: |
Cropland expansion; Fire-transition; Severe droughts. |
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Thesaurus NAL: |
Deforestation. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1159037/1/Exploring-the-Role.pdf
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Marc: |
LEADER 02345naa a2200229 a 4500
001 2159037
005 2023-12-01
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.3390/land11122274$2DOI
100 1 $aTAVARES, P. A.
245 $aExploring the role of deforestation and cropland expansion in driving a fire-transition in the Brazilian Amazon.$h[electronic resource]
260 $c2022
520 $aThe Brazilian Amazonian Forest is undergoing significant changes in land use and land cover in the last few decades. This land-use transition, besides climate change, may be responsible for the fire regime transition in this territory. Therefore, we aimed at investigating how the fire-transition occurs over time in the Brazilian Amazonia Forest and identifying the key parameters that can help to predict this change. For this, we collected yearly data on fire occurrence, forest cover, deforestation rates, and cropland areas. We used a 0.45° spatial surface grid, and with these annual values, we produced: (i) generalised linear mixed models of fire occurrence against forest cover, using years and grids as random factors; (ii) annual linear models of fire occurrence against forest cover; (iii) linear models of the apex values against the years; and (iv) generalised linear models of these apex values against deforestation and cropland areas. We found that there is a fire-transition process in the Brazilian Amazon Forest since a quadratic model better predicted the fire occurrence behaviour. Moreover, the fire occurrence apex is transitioning to more forested landscapes, from 50.7% in 2003 to 55% in 2019 (R² = 0.3). The deforestation rates and the cropland expansion had important relationships with the fire-transition, the first is related to the fire occurrence in the landscape (R² = 0.62), while the second better predicts the transition to more forested areas (R² = 0.38). Thus, we found that the fire-transition in the Brazilian Amazon Forest is strongly related to the land-use transition stages in this region.
650 $aDeforestation
653 $aCropland expansion
653 $aFire-transition
653 $aSevere droughts
700 1 $aFERREIRA, J. N.
700 1 $aSILVA, C. V. J.
700 1 $aBERENGUER, E.
700 1 $aBARLOW, J.
773 $tLand$gv. 11, n. 12, Article 2274, 2022.
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Embrapa Amazônia Oriental (CPATU) |
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