Estudo do microclima e dos perfis de umidade e dióxido de carbono no interior e acima do dossel vegetativo da cultura do sorgo (Sorghum vulgare Pers)

Autores

  • Gilberto C Sediyama UFV
  • William O Pruitt UFV

Palavras-chave:

microambiente dossel, evapotranspiração potencial, concentração co2, perfil umidade, análise infravermelha

Resumo

Profiles of absolute humidity and carbon dioxide depression within and above the crop canopy were studied in irrigated and non-irrigated fields of sorghum (Sorghum vulgare Pers.). Air samples were taken at five levels, three within the canopy and two above it, in both plots. Absolute humidity and COg concentrations were deltermined with and infrared hygrometer and an infrared gas analyzer, respectively. 

Referências

ALLEN, L.H. Jr. A study of the CO, concentration monitored over an agricultural field near Ithaca. In: The energy budget at the earth’s surface. Ithaca, 1968. 254 p (Techinical report).

BURRAGE, S. W. The environment of the grass canopy. Chapter V. In: Final report. USAEPG Contract No. DA-AMC-28-043-C12. University of California, Davis, 1965. pp. 65-75.

LEMON, E. R. & WRIGHT, J. L. Assessing sources and sinks of carbon dioxide in a corn crop using a momentum balance approach. In: The energy budget at the earth’s surface. Ithaca, 1967. 20 p. (Technical report).

PENMAN, H. L. & LONG, L. F. Weather in wheat: an essay in micrometeorology. Quart. Journal of Royal Meteor. Soc. 86:16-49. 1960.

PRUITT, W.O., & ANSTON, M. J. Atmospheric and surface factors affecting evapotranspiration. Chapter III. In: Final report, USAEPG Contract No. DA-36-039-SC-80 334. University of California, Davis, 1963. pp. 69-105.

UCHIJIMA, Z. Studies on the micro-climate within plant communities. I. On the turbulent transfer coefficient within the plant layer. The J. of Agr. Meteoro. Tokyo. 18:1-9. 1962.

UCHIJIMA. Z. UDAGAWA, T. HORIE. T. & K. KOBAYASHI. Studies of energy and gas exchange within crop canopy (1). On the COg environment in a corn canopy. The J. of Agr. Meteoro., Tokyo. 23:99-108. 1967.

WRIGHT, J. L. & LEMON, E. R. Estimation of turbulent exchange within a corn crop canopy. In: The energy exchange at earth’s surface. Ithaca, 1961. 36 p. (Technical report).

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Publicado

2025-03-25

Como Citar

Sediyama, G. C., & Pruitt , W. O. (2025). Estudo do microclima e dos perfis de umidade e dióxido de carbono no interior e acima do dossel vegetativo da cultura do sorgo (Sorghum vulgare Pers). Revista Ceres, 24(136), 563–570. Recuperado de https://ojs.ceres.ufv.br/ceres/article/view/6962

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