THE DIURNAL PROGRESSION OF SUBSTRATE TEMPERATURE IN UNSHADED TEMPERATURE-CONTROLLED GREENHOUSES AND ELECTRIC-LIGHTED CONTROLLED-ENVIRONMENT ROOMS

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概要

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• Maximum substrate temperature was related chiefly to irradiance and, in controlled-environment rooms, to the spectral distribution of the light source. Depth in the substrate and night temperature depression changed the daily time course of substrate temperature but did not alter the maximum attained. The diurnal progression of substrate temperature in the controlled-environment room repeated itself from day to day until the plants became large enough to shade the substrate surface. The shading effect repeated itself between experiments. In the temperature-controlled greenhouse, substrate temperature maximum and time course varied from day to day as well as with time of year, but a reasonable prediction of substrate temperature could be made from the average irradiance per day.

• 九州大学の論文

著者

• Downs R

  North Carolina State Univ. North Carolina Usa

• DOWNS Robert

  Phytotron, North Carolina State University

関連論文

• THE DIURNAL PROGRESSION OF SUBSTRATE TEMPERATURE IN UNSHADED TEMPERATURE-CONTROLLED GREENHOUSES AND ELECTRIC-LIGHTED CONTROLLED-ENVIRONMENT ROOMS

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