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10. | | PAIVA, L. E.; FLORI, J. E.; COSTA, J. G. da; SILVA, J. A. M e. Efeito da densidade de plantas nos componentes de produção da bananeira 'Pacovan' no Vale do Submédio São Francisco: primeiro ciclo de produção. In: CONGRESSO BRASILEIRO DE FRUTICULTURA., 17., 2002, Belém, PA. Anais... Belém, PA: SBF, 2002. 1 CD-ROM. Biblioteca(s): Embrapa Semiárido. |
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13. | | BASSOI, L. H.; SILVA, J. A. M. e; SILVA, E. E. G. da; GRANGEIRO, L. C. Root distribution of grapevine rootstocks under irrigation in Sao Francisco Valley, Brazil. In: INTERNATIONAL SYMPOSIUM ON TABLE GRAPE, 4., 2000, La Serena, Chile. Abstracts... La Serena: INIA: SCF, 2000. p. 34. Biblioteca(s): Embrapa Semiárido. |
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14. | | BASSOI, L. H.; GRANGEIRO, L. C.; SILVA, J. A. M. e; SILVA, E. E. G. da. Root distribution of irrigated grapevine rootstockc in a coarse texture soil of the Sao Francisco Valley, Brazil. Revista Brasileira de Fruticultura, Jaboticabal, v. 24, n. 1, p. 35-38, abr. 2002. Biblioteca(s): Embrapa Semiárido. |
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18. | | GOMES, T. C. de A.; SILVA, J. A. M. e; SOARES, E. M. B.; SILVA, M. S. L. da. Decomposição in situ da fitomassa aérea de adubos verdes em um cultivo irrigado de videira no semi-árido nordestino. In: CONGRESSO BRASILEIRO DE FRUTICULTURA., 17., 2002, Belém, PA. Anais... Belém, PA: SBF, 2002. 1 CD-ROM. Biblioteca(s): Embrapa Semiárido. |
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20. | | GOMES, T. C. de A.; SILVA, J. A. M. e; SOARES, E. M. B.; SILVA, M. S. L. da. Decomposition and nutrient release tatterns of the green manure phytomass in irrigated mango orchard. Acta Horticulturae, Leuven, n. 645, p. 183-188, Feb. 2004. Edição do Proceedings of the 7 International Mango Symposium, Recife, sep. 2002. Biblioteca(s): Embrapa Semiárido. |
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Registros recuperados : 54 | |
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Registro Completo
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
06/06/2003 |
Data da última atualização: |
24/02/2010 |
Autoria: |
BASSOI, L. H.; HOPMANS, J. W.; JORGE, L. A. de C.; ALENCAR, C. M. de; SILVA, J. A. M. e. |
Afiliação: |
Embrapa Semi-Árido, Petrolina, PE; Department of Land, Air and Water Resources, Univ. of California, Davis, USA; Embrapa Instrumentação Agropecuária, São Carlos, SP; Depto. Engenharia Rural-UNESP, Botucatu, SP. |
Título: |
Grapevine root distribution in drip and microsprinkler irrigation. |
Ano de publicação: |
2003 |
Fonte/Imprenta: |
Scientia Agricola, Piracicaba, v. 60, n. 2, p. 377-387, abr./jun. 2003. |
Idioma: |
Inglês |
Conteúdo: |
Grape (Vitis vinifera L.) yield its quality are dependent to the status of the root system. Root distribution information is also valuable for soil and water management. An analysis of methods to evaluate the root distribution of grapevines for both, drip and microsprinkler irrigation in a Typic Acrustox is presented for the table grape cv. Italia grafied on the rootstock IA-313, in northeastern Brazil. Measured root parameters using the monolith method were root dry weight (Dw) and root length density (Lv), while root area (Ap) was estimated using the soil profile method in combination with digital image analysis. For both irrigation systems, roots were present to the 1 m soil depth and extended laterally to 1 m distance from the trunk, but grapevines irrigated by microsprinkler showed greater root presence as the distance from the trunk increased. Values of Ap were reasonably well correlated to Dw and Lv. However, correlation values were higher when fractional root distribution was used. The soil profile method in combination with image analysis techniques, allows proper grapevine root distribution evaluation. |
Palavras-Chave: |
Digital image; Imagem digital; Root system; Sistema de raízes; Vitis vinifera L. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01782naa a2200229 a 4500 001 1028071 005 2010-02-24 008 2003 bl --- 0-- u #d 100 1 $aBASSOI, L. H. 245 $aGrapevine root distribution in drip and microsprinkler irrigation. 260 $c2003 520 $aGrape (Vitis vinifera L.) yield its quality are dependent to the status of the root system. Root distribution information is also valuable for soil and water management. An analysis of methods to evaluate the root distribution of grapevines for both, drip and microsprinkler irrigation in a Typic Acrustox is presented for the table grape cv. Italia grafied on the rootstock IA-313, in northeastern Brazil. Measured root parameters using the monolith method were root dry weight (Dw) and root length density (Lv), while root area (Ap) was estimated using the soil profile method in combination with digital image analysis. For both irrigation systems, roots were present to the 1 m soil depth and extended laterally to 1 m distance from the trunk, but grapevines irrigated by microsprinkler showed greater root presence as the distance from the trunk increased. Values of Ap were reasonably well correlated to Dw and Lv. However, correlation values were higher when fractional root distribution was used. The soil profile method in combination with image analysis techniques, allows proper grapevine root distribution evaluation. 653 $aDigital image 653 $aImagem digital 653 $aRoot system 653 $aSistema de raízes 653 $aVitis vinifera L 700 1 $aHOPMANS, J. W. 700 1 $aJORGE, L. A. de C. 700 1 $aALENCAR, C. M. de 700 1 $aSILVA, J. A. M. e. 773 $tScientia Agricola, Piracicaba$gv. 60, n. 2, p. 377-387, abr./jun. 2003.
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