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 | Acesso ao texto completo restrito à biblioteca da Embrapa Territorial. Para informações adicionais entre em contato com cnpm.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Territorial. |
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Data corrente: |
01/06/2004 |
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Data da última atualização: |
24/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ANGELOCCI, L. R.; VILLA NOVA, N. A.; COELHO FILHO, M. A.; MARIN, F. R. |
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Afiliação: |
L. R. ANGELOCCI, USP; N. A. VILLA NOVA, USP; MAURICIO ANTONIO COELHO FILHO, CNPMF; FABIO RICARDO MARIN, CNPM. |
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Título: |
Measurements of net radiation absorbed by isolated acid lime trees (Citrus latifolia Tanaka). |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Journal of Horticultural Science & Biotechnology, v. 79, n. 5, p. 699-703, 2004. |
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Idioma: |
Inglês |
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Conteúdo: |
By using net radiometers mounted on a circular frame rotating around the canopy, measurements of total all-wave radiation absorbed by two 'Tahiti' acid lime trees were carried out in an orchard in Piracicaba, Sao Paulo State, Brazil. The rotating system around the canopy of a tree was formerly idealized and used in New Zealand, allowing integration of all-wave radiation and photosynthetically active radiation absorbed. In an experiment in December 1997, a first device using six net radiometers mounted on a light frame was used. A bigger device, more like the one used in New Zealand, in terms of the number of radiometers and the frame, with a different torque system, was used in another tree on some days from July to September 2000. The performance of both devices is discussed, including the possible error sources when using the first model (1997) and the problems of torque transmission on the second. Despite the lack of a test to check the performance of the device and the problems presented in the year 2000, the results confirm the possibility of providing reliable measurements of the net radiation absorbed by isolated trees. Relations of the net radiation per unit area of projected canopy on the ground were determined with integrated values over different time scales (from 15 min to 24 h). Unique relations between net radiation and incoming solar radiation were obtained for both trees over several time scales. These relations are applicable only to high leaf density conditions and canopy geometry similar to the used in this study. MenosBy using net radiometers mounted on a circular frame rotating around the canopy, measurements of total all-wave radiation absorbed by two 'Tahiti' acid lime trees were carried out in an orchard in Piracicaba, Sao Paulo State, Brazil. The rotating system around the canopy of a tree was formerly idealized and used in New Zealand, allowing integration of all-wave radiation and photosynthetically active radiation absorbed. In an experiment in December 1997, a first device using six net radiometers mounted on a light frame was used. A bigger device, more like the one used in New Zealand, in terms of the number of radiometers and the frame, with a different torque system, was used in another tree on some days from July to September 2000. The performance of both devices is discussed, including the possible error sources when using the first model (1997) and the problems of torque transmission on the second. Despite the lack of a test to check the performance of the device and the problems presented in the year 2000, the results confirm the possibility of providing reliable measurements of the net radiation absorbed by isolated trees. Relations of the net radiation per unit area of projected canopy on the ground were determined with integrated values over different time scales (from 15 min to 24 h). Unique relations between net radiation and incoming solar radiation were obtained for both trees over several time scales. These relations are applicable only to high leaf density condit... Mostrar Tudo |
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Palavras-Chave: |
Circular frame rotating. |
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Thesaurus Nal: |
Radiometers. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02125naa a2200181 a 4500
001 1017220
005 2017-05-24
008 2004 bl uuuu u00u1 u #d
100 1 $aANGELOCCI, L. R.
245 $aMeasurements of net radiation absorbed by isolated acid lime trees (Citrus latifolia Tanaka).
260 $c2004
520 $aBy using net radiometers mounted on a circular frame rotating around the canopy, measurements of total all-wave radiation absorbed by two 'Tahiti' acid lime trees were carried out in an orchard in Piracicaba, Sao Paulo State, Brazil. The rotating system around the canopy of a tree was formerly idealized and used in New Zealand, allowing integration of all-wave radiation and photosynthetically active radiation absorbed. In an experiment in December 1997, a first device using six net radiometers mounted on a light frame was used. A bigger device, more like the one used in New Zealand, in terms of the number of radiometers and the frame, with a different torque system, was used in another tree on some days from July to September 2000. The performance of both devices is discussed, including the possible error sources when using the first model (1997) and the problems of torque transmission on the second. Despite the lack of a test to check the performance of the device and the problems presented in the year 2000, the results confirm the possibility of providing reliable measurements of the net radiation absorbed by isolated trees. Relations of the net radiation per unit area of projected canopy on the ground were determined with integrated values over different time scales (from 15 min to 24 h). Unique relations between net radiation and incoming solar radiation were obtained for both trees over several time scales. These relations are applicable only to high leaf density conditions and canopy geometry similar to the used in this study.
650 $aRadiometers
653 $aCircular frame rotating
700 1 $aVILLA NOVA, N. A.
700 1 $aCOELHO FILHO, M. A.
700 1 $aMARIN, F. R.
773 $tJournal of Horticultural Science & Biotechnology$gv. 79, n. 5, p. 699-703, 2004.
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Registro original: |
Embrapa Territorial (CNPM) |
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| Registros recuperados : 11 | |
| 1. |  | STEFANELLO, L. O.; SCHWALBERT, R.; SCHWALBERT, R. A.; DE CONTI, L.; KULMANN, M. S. de S.; GARLET, L. P.; SILVEIRA, M. L. R.; SAUTTER, C. K.; MELO, G. W. B. de; ROZANE, D. E.; BRUNETTO, G. Nitrogen supply method affects growth, yield and must composition of young grape vines (Vitis vinifera L. cv Alicante Bouschet) in southern Brazil. Scientia Horticulturae, v. 261, (e-108910), 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| 2. | | LEAL, O. A.; AMADO, T. J. C.; FIORIN, J. E.; KELLER, C.; REIMCHE, G. B.; RICE, C. W.; NICOLOSO, R. da S.; BORTOLOTTO, R. P.; SCHWALBERT, R. Linking cover crop residue quality and tillage system to CO2-C emission, soil C and N stocks and crop yield based on a long-term experiment. Agronomy, v. 10, n. 1848, 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
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| 4. | | AMBROSINI, V. G.; CIAMPITTI, I. A.; FONTOURA, S. M. V.; TAMAGNO, S.; MORAES. R. P. de; SCHWALBERT, R. A.; URQUIAGA, S.; BAYER, C. Environmental variables controlling biological nitrogen fixation in soybean. Symbiosis, v. 93, p. 43-55, 2024.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
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| 6. | | CORASSA, G. M.; AMADO, T. J. C.; STRIEDER, M. L.; SCHWALBERT, R.; PIRES, J. L. F.; CARTER, P. R.; CIAMPITTI, I. A. Optimum soybean seeding rates by yield environment in southern Brazil. Agronomy Journal, v. 110, n. 6, p. 2430-2438, 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| 7. | | KULMANN, M. S. de S.; SETE, P. B.; PAULA, B. V. de; STEFANELLO, L. O.; SCHWALBERT, R.; SCHWALBERT, R. A.; ARRUDA, W. S.; SANS, G. A.; PARCIANELLO, C. F.; NICOLOSO, F. T.; MELO, G. W. B. de; SANTOS, H. P. dos; BRUNETTO, G. Kinetic parameters govern of the uptake of nitrogen forms in "Paulsen" and "Magnolia" grapevine rootstocks. Scientia Horticulturae, v. 264, article 109174, 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| 8. | | STEFANELLO, L. O.; SCHWALBERT, R. A.; CIOTTA, M. N.; TASSINARI, A.; KULMANN, M. S. de S.; ECKHARDT, D. P.; GABBARDO, M.; SCHUMACHER, R. L.; COSTA, V. B.; CUNHA, W. M. da; MELO, G. W. B. de; BRUNETTO, G. Calagem, adubação e estado nutricional em videiras. In: BRUNETTO, G.; MELO, G. W. B. de; GIROTTO, E.; TASSINARI, A.; KRUG, A. V.; MARQUES, A. C. R.; PAULA, B. V. DE; MARCHEZAN, C.; BETEMPS, D. L.; TRENTIN, E.; SILVA, I. B. DA; SILVA, L. O. S. DA (ed.). Atualização sobre calagem e adubação em frutíferas. Porto Alegre: NRS-SBCS: Gráfica e Editora RJR, 2020. p. 199-235.| Tipo: Capítulo em Livro Técnico-Científico |
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| 9. | | CORASSA, G. M.; HANSEL, F. D.; LOLLATO, R.; PIRES, J. L. F.; SCHWALBERT, R.; AMADO, T. J. C.; GUARIENTI, E. M.; GAVIRAGHI, R.; BISOGNIN, M. B.; REIMCHE, G. B.; SANTI, A. L.; CIAMPITTI, I. A. Nitrogen management strategies to improve yield and dough properties in hard red spring wheat. Agronomy Journal, v. 110, n. 6, p. 2417-2429, 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| 11. | | HAMMERSCHMITT, R. K.; TIECHER, T. L.; FACCO, D. B.; SILVA, L. O. S.; SCHWALBERT, R.; DERESCHER, G. L.; TRENTIN, E.; SOMAVILLA, L. M.; KULMANN, M. S. S.; SILVA, I. C. B.; TAROUCO, C. P.; NICOLOSO, F. T.; TIECHERE, T.; MAYER, N. A.; KRUG, A. V.; BRUNETTO, G. Copper and zinc distribution and toxicity in ´Jade´/ ´Genovesa´ young peach tree. Scientia Horticulturae, v. 259, 108763, Jan. 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| Registros recuperados : 11 | |
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