|
|
Registros recuperados : 10.313 | |
4205. | | SANTOS, A. T. dos; CANETTI, A.; RUY, C. C.; SILVA, M. A.; RICKEN, P.; DOMENE, V. D.; OLIVEIRA, M. F. de; BRAZ, E. M.; MATTOS, P. P. de. Crescimento de espécies nativas da Floresta Ombrófila Mista, Caçador, SC. In: SIMPÓSIO LATINO-AMERICANO SOBRE MANEJO FLORESTAL, 5., 2011, Santa Maria. Sustentabilidade florestal: [anais]. Santa Maria: UFSM, Programa de Pós-Graduação em Engenharia Florestal, 2011, p. 998-1006. Biblioteca(s): Embrapa Florestas. |
| |
4206. | | PASSOS, F. B.; OLIVEIRA, M. C.; RIBEIRO, J. F.; OLIVEIRA, F. F.; SOUSA, S. R.; AQUINO, F. de G. Crescimento de espécies nativas em um plantio de recuperação de Cerrado sentido restrito no Distrito Federal. In: SIMPÓSIO DE RESTAURAÇÃO ECOLÓGICA, 5., São Paulo, 2013. Políticas públicas para conservação da biodiversidade. São Paulo: Instituto de Botânica, 2013. p. 328-329. Biblioteca(s): Embrapa Cerrados. |
| |
4209. | | LEITE, F. P.; BARROS, N. F. de; NOVAIS, R. F. de; SANS, L. M. A.; FABRES, A. S. Crescimento de Eucalyptus grandis em diferentes densidades populacionais Revista Arvore, Vicosa, v.21, n.3, p.313-320, 1997. Biblioteca(s): Embrapa Florestas. |
| |
4212. | | CARGNINO, C.; SÁ, A. A. de; LIMA, C. M. de; SARAIVA, M. D.; NACHTIGALL, G. R.; ERNANI, P. R. Crescimento de frutos de macieira Maxigala submetida a tratamentos de irrigação e fertirrigação. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 22., 2012, Bento Gonçalves. Anais... Bento Gonçalves: SBF, 2012. p. 6142-6145. Biblioteca(s): Embrapa Uva e Vinho. |
| |
4213. | | ECHER, F. R.; CASTRO, G. S. A.; BOGIANI, J. C.; ROSOLEM, C. A. Crescimento inicial e absorção de nutrientes pelo algodoeiro cultivado sobre Braquiária. IN: CONGRESSO BRASILEIRO DO ALGODÃO, 8.; COTTON EXPO, 1., 2011, São Paulo. Evolução da cadeia para construção de um setor forte: Anais. Campina Grande, PB: Embrapa Algodão, 2011. p.840-847 Biblioteca(s): Embrapa Algodão. |
| |
4215. | | LEITE, A. G.; ALEXANDRIA JUNIOR, F. F. de; LEITE, R. P.; FELIX NETO, J.; ARAÚJO, V. L.; BELTRAO, N. E. de M. Crescimento inicial do algodoeiro(Gossypium hirsutum L) BRS Topázio submetido à adubação silicatada e estresse hidríco. IN: CONGRESSO BRASILEIRO DO ALGODÃO, 8.; COTTON EXPO, 1., 2011, São Paulo. Evolução da cadeia para construção de um setor forte: Anais. Campina Grande, PB: Embrapa Algodão, 2011. p.835-839 Biblioteca(s): Embrapa Algodão. |
| |
4219. | | SCHNEIDER, P. R.; FINGER, C. A. G.; FLEIG, F. D.; FLEI, M. J.; STORCK, L.; HOPPE, J. M.; SCHNEIDER, M. V.; GATTO, A. Crescimento inicial do Eucalyptus dunnii Maiden consorciado com zea mays L., na região de Santa Maria-RS. Ciência Florestal, Santa Maria, v. 5, n. 1, p. 171-182, nov. 1995. Biblioteca(s): Embrapa Florestas. |
| |
Registros recuperados : 10.313 | |
|
|
Registro Completo
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
11/09/2000 |
Data da última atualização: |
12/04/2018 |
Autoria: |
BRIENZA JUNIOR, S. |
Afiliação: |
SILVIO BRIENZA JUNIOR, CPATU. |
Título: |
Biomass dynamics of fallow vegetation enriched with leguminous trees in the Eastern Amazon of Brazil. |
Ano de publicação: |
1999 |
Fonte/Imprenta: |
Gottingen: E.G. GmbH, 1999. |
Páginas: |
133 p. |
Descrição Física: |
il. |
Série: |
(Göttinger Beitrage zur Land - und Forstwirtschaft in den Tropen und Subtropen, 134). |
ISBN: |
3-88452-395-3 |
Idioma: |
Inglês |
Notas: |
Dissertation submited for the degree of Doctor Agricultural Science of the faculty of Agricultural Sciences - Georg-August-University of Göttingen (Germany). |
Conteúdo: |
The agricultural system used in sequence with fallow vegetation was maize and cassava. In the experimental timetable, maize grew essentially as monocrop, subject only to interactions with the slashed and burned re-growth. The maize yield was 1890 kg ha1, larger than what is generally obtained in the area studied. Cassava divided site resources with planted trees for enrichment during eight months until its harvest at the age of one year. The different trees planted for enrichment, regardless of spacing, did not have a negative impact on the dry weight of cassava root. The values of dry weight of cassava root varied as per the following: S. paniculatum (7120 kg ha-1)> A. angustissima (6750 kg ha-1)> l. edulis (6560 kg ha-1)> A. mangium (6320 kg ha-1)> C. racemosa (6100 kg ha-1) > control (6060 kg ha-1). The spacing of trees planted regardless of species, showed a significant reduction of cassava dry root-weight at the spacing of 1 m x 1 m (10000 tress ha-1) only, when compared to tree spacing of 2 m x 2 m. There appeared some advantage in having a light enrichment as seen from the following sequence: 2 m x 2 m (7140 kg ha-1) > 2 m x 1 m (6660 kg ha-1) > control (6060 kg ha-1) > 1 m x 1 m (5610 kg ha-1). These results show the possibility to maintain crop productivity in enriched fallow vegetation systems by planting leguminous trees. However, when food crops are the main goal, tree planting at the spacing of 1 m x 1 m should be carefully considered. During the development of enriched fallow systems planted trees and cassava grew together for as long as eigth months and later on, after crop harvest, trees developed with the natural vegetation. In this chronosequence the values of tree survival at 24 monhts of age were as follows: C. racemosa (99%), A. angustissima (98%). I. edulis (97%), A. mangium (91%) and S. paniculatum (90%). At 24 months of age, trees planted to enrich fallow vegetation showed different behaviors relating to height- and Dbh growth. Acacia mangium presented the best performace (7.1 m height and 5.6 cm Dbh) follwed by I. edulis (4.7 m and 3.5 cm), A. angustissima (4.5 m and 3.2 cm) and C. racemosa (3.4 m and 3.0 cm). Increased plant spacing did not influence growth in height, but caused significant reductions in growth in Dbh. The lowest diameters were observed at the spacing of 1 m x 1 m (3.2 cm) followed by 2 m x 1 m (3.9 cm) and 2 m x 2 m (4.3 cm). The annual dynamics of tree growth, evaluated by average height increment-MHI during the study period, were similar for all species. These growth dynamics demonstrate the existence of four phases of tree development. The first phase was characterized as seedling "adaptation" and occurend during the first six months after planting. MHI values are small, and this phase coincided with a period of low precipitation. The second phase, called "growth explosion", began with the start of the firts rainy season, between the sixth and eighth month of growth, when the highest MHI values were observed for all species planted. "Competition" characterized the third phase and occured from the eighth to tenth month. MHI values decrease due to fallow vegetation development, showing competition for site growth resource to exist. The last phase, denominated "stability" characterizes the maturation of the enriched fallow vegetation system. This phase, occurend between the 10th and the 24th month, and MHI values of trees planted slowly to decrease. MenosThe agricultural system used in sequence with fallow vegetation was maize and cassava. In the experimental timetable, maize grew essentially as monocrop, subject only to interactions with the slashed and burned re-growth. The maize yield was 1890 kg ha1, larger than what is generally obtained in the area studied. Cassava divided site resources with planted trees for enrichment during eight months until its harvest at the age of one year. The different trees planted for enrichment, regardless of spacing, did not have a negative impact on the dry weight of cassava root. The values of dry weight of cassava root varied as per the following: S. paniculatum (7120 kg ha-1)> A. angustissima (6750 kg ha-1)> l. edulis (6560 kg ha-1)> A. mangium (6320 kg ha-1)> C. racemosa (6100 kg ha-1) > control (6060 kg ha-1). The spacing of trees planted regardless of species, showed a significant reduction of cassava dry root-weight at the spacing of 1 m x 1 m (10000 tress ha-1) only, when compared to tree spacing of 2 m x 2 m. There appeared some advantage in having a light enrichment as seen from the following sequence: 2 m x 2 m (7140 kg ha-1) > 2 m x 1 m (6660 kg ha-1) > control (6060 kg ha-1) > 1 m x 1 m (5610 kg ha-1). These results show the possibility to maintain crop productivity in enriched fallow vegetation systems by planting leguminous trees. However, when food crops are the main goal, tree planting at the spacing of 1 m x 1 m should be carefully considered. During the development of ... Mostrar Tudo |
Palavras-Chave: |
Acacia angustissima; Agricultura imigratória; Amazonas; Amazônia Oriental; Árvore leguminosa; Brasil; Browse plants; Dinâmica de biomassa; Growth; Leguminosa Arbórea; Leguminous; Pará; Região bragantina; Tese; Tipitamba. |
Thesagro: |
Árvore Forrageira; Biomassa; Capoeira; Clitoria Racemosa; Crescimento; Disponibilidade de Nutriente; Essência Florestal; Floresta Tropical Úmida; Ingá Edulis; Leguminosa; Pousio; Silvicultura; Sistema de Cultivo; Umidade; Vegetação; Vegetação Secundária. |
Thesaurus NAL: |
Acacia mangium; Amazonia; biomass; cropping systems; fallow; forest trees; humidity; nutrient availability; secondary forests; shifting cultivation; trees; tropical rain forests; vegetation. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/166830/1/BIOMASS-DYNAMICS-.pdf
|
Marc: |
LEADER 05485nam a2200685 a 4500 001 1402884 005 2018-04-12 008 1999 bl uuuu m 00u1 u #d 020 $a3-88452-395-3 100 1 $aBRIENZA JUNIOR, S. 245 $aBiomass dynamics of fallow vegetation enriched with leguminous trees in the Eastern Amazon of Brazil. 260 $aGottingen: E.G. GmbH$c1999 300 $a133 p.$cil. 490 $a(Göttinger Beitrage zur Land - und Forstwirtschaft in den Tropen und Subtropen, 134). 500 $aDissertation submited for the degree of Doctor Agricultural Science of the faculty of Agricultural Sciences - Georg-August-University of Göttingen (Germany). 520 $aThe agricultural system used in sequence with fallow vegetation was maize and cassava. In the experimental timetable, maize grew essentially as monocrop, subject only to interactions with the slashed and burned re-growth. The maize yield was 1890 kg ha1, larger than what is generally obtained in the area studied. Cassava divided site resources with planted trees for enrichment during eight months until its harvest at the age of one year. The different trees planted for enrichment, regardless of spacing, did not have a negative impact on the dry weight of cassava root. The values of dry weight of cassava root varied as per the following: S. paniculatum (7120 kg ha-1)> A. angustissima (6750 kg ha-1)> l. edulis (6560 kg ha-1)> A. mangium (6320 kg ha-1)> C. racemosa (6100 kg ha-1) > control (6060 kg ha-1). The spacing of trees planted regardless of species, showed a significant reduction of cassava dry root-weight at the spacing of 1 m x 1 m (10000 tress ha-1) only, when compared to tree spacing of 2 m x 2 m. There appeared some advantage in having a light enrichment as seen from the following sequence: 2 m x 2 m (7140 kg ha-1) > 2 m x 1 m (6660 kg ha-1) > control (6060 kg ha-1) > 1 m x 1 m (5610 kg ha-1). These results show the possibility to maintain crop productivity in enriched fallow vegetation systems by planting leguminous trees. However, when food crops are the main goal, tree planting at the spacing of 1 m x 1 m should be carefully considered. During the development of enriched fallow systems planted trees and cassava grew together for as long as eigth months and later on, after crop harvest, trees developed with the natural vegetation. In this chronosequence the values of tree survival at 24 monhts of age were as follows: C. racemosa (99%), A. angustissima (98%). I. edulis (97%), A. mangium (91%) and S. paniculatum (90%). At 24 months of age, trees planted to enrich fallow vegetation showed different behaviors relating to height- and Dbh growth. Acacia mangium presented the best performace (7.1 m height and 5.6 cm Dbh) follwed by I. edulis (4.7 m and 3.5 cm), A. angustissima (4.5 m and 3.2 cm) and C. racemosa (3.4 m and 3.0 cm). Increased plant spacing did not influence growth in height, but caused significant reductions in growth in Dbh. The lowest diameters were observed at the spacing of 1 m x 1 m (3.2 cm) followed by 2 m x 1 m (3.9 cm) and 2 m x 2 m (4.3 cm). The annual dynamics of tree growth, evaluated by average height increment-MHI during the study period, were similar for all species. These growth dynamics demonstrate the existence of four phases of tree development. The first phase was characterized as seedling "adaptation" and occurend during the first six months after planting. MHI values are small, and this phase coincided with a period of low precipitation. The second phase, called "growth explosion", began with the start of the firts rainy season, between the sixth and eighth month of growth, when the highest MHI values were observed for all species planted. "Competition" characterized the third phase and occured from the eighth to tenth month. MHI values decrease due to fallow vegetation development, showing competition for site growth resource to exist. The last phase, denominated "stability" characterizes the maturation of the enriched fallow vegetation system. This phase, occurend between the 10th and the 24th month, and MHI values of trees planted slowly to decrease. 650 $aAcacia mangium 650 $aAmazonia 650 $abiomass 650 $acropping systems 650 $afallow 650 $aforest trees 650 $ahumidity 650 $anutrient availability 650 $asecondary forests 650 $ashifting cultivation 650 $atrees 650 $atropical rain forests 650 $avegetation 650 $aÁrvore Forrageira 650 $aBiomassa 650 $aCapoeira 650 $aClitoria Racemosa 650 $aCrescimento 650 $aDisponibilidade de Nutriente 650 $aEssência Florestal 650 $aFloresta Tropical Úmida 650 $aIngá Edulis 650 $aLeguminosa 650 $aPousio 650 $aSilvicultura 650 $aSistema de Cultivo 650 $aUmidade 650 $aVegetação 650 $aVegetação Secundária 653 $aAcacia angustissima 653 $aAgricultura imigratória 653 $aAmazonas 653 $aAmazônia Oriental 653 $aÁrvore leguminosa 653 $aBrasil 653 $aBrowse plants 653 $aDinâmica de biomassa 653 $aGrowth 653 $aLeguminosa Arbórea 653 $aLeguminous 653 $aPará 653 $aRegião bragantina 653 $aTese 653 $aTipitamba
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Amazônia Oriental (CPATU) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|