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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
04/05/1999 |
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Data da última atualização: |
04/05/1999 |
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Autoria: |
ANTUNES, M. A. H.; ASSAD, E. D.; BATISTA, G. T. |
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Título: |
Varicacao das medidas espectrais tomadas com espectroradiometro ao longo do ciclo de crescimento da soja (Glycine max (L.) Merrill). |
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Ano de publicação: |
1993 |
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Fonte/Imprenta: |
In: SIMPOSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 7., 1993, Curitiba, PR. Anais. Sao Jose dos Campos: INPE, 1993. |
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Volume: |
v.3. |
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Páginas: |
p.1-9. |
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Idioma: |
Português |
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Conteúdo: |
The objective of this paper is to evaluate the patterns of spectral and agronomic variables of 5 soybean varieties through developing cycle. In this it was used the bidirectional reflectance factor measured with a spectroradiometer and integrated in TM3 and TM4 bands, and vegetation indices calculated from these bands. The TM3 band decreased until reach the minimum value for the full developed crop. The TM4 band vegetation indices increased rapidly until reach the maximum value. In the final of the crop cycle they decreased in consequence of the leaf senescence. It was found that inclination characterized vegetation indices did not have a good performance in monitoring the crop along the crop cycle, because they reach the saturation for low leaf area index values. Instead, distance characterized vegetation indices showed a good performance for monitoring the 5 varieties along the crop cycle. These indices, namely PVI and WDVI, was found to be useful to separate soybean varieties. |
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Palavras-Chave: |
Spectrometry. |
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Thesagro: |
Cerrado; Espectrometria; Glycine Max; Sensoriamento Remoto; Soja. |
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Thesaurus NAL: |
remote sensing; soybeans. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01802naa a2200265 a 4500
001 1545291
005 1999-05-04
008 1993 bl uuuu u00u1 u #d
100 1 $aANTUNES, M. A. H.
245 $aVaricacao das medidas espectrais tomadas com espectroradiometro ao longo do ciclo de crescimento da soja (Glycine max (L.) Merrill).
260 $c1993
300 $ap.1-9. v.3.
490 $vv.3.
520 $aThe objective of this paper is to evaluate the patterns of spectral and agronomic variables of 5 soybean varieties through developing cycle. In this it was used the bidirectional reflectance factor measured with a spectroradiometer and integrated in TM3 and TM4 bands, and vegetation indices calculated from these bands. The TM3 band decreased until reach the minimum value for the full developed crop. The TM4 band vegetation indices increased rapidly until reach the maximum value. In the final of the crop cycle they decreased in consequence of the leaf senescence. It was found that inclination characterized vegetation indices did not have a good performance in monitoring the crop along the crop cycle, because they reach the saturation for low leaf area index values. Instead, distance characterized vegetation indices showed a good performance for monitoring the 5 varieties along the crop cycle. These indices, namely PVI and WDVI, was found to be useful to separate soybean varieties.
650 $aremote sensing
650 $asoybeans
650 $aCerrado
650 $aEspectrometria
650 $aGlycine Max
650 $aSensoriamento Remoto
650 $aSoja
653 $aSpectrometry
700 1 $aASSAD, E. D.
700 1 $aBATISTA, G. T.
773 $tIn: SIMPOSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 7., 1993, Curitiba, PR. Anais. Sao Jose dos Campos: INPE, 1993.
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