CO2 Environment

Tadashi Takakura and Wei Fang
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Tadashi Takakura: Nagasaki University, College of Environmental Studies
Wei Fang: National Taiwan University, Department of Bio-Industrial Mechatronics Engineering

Chapter Chapter 7 in Climate Under Cover, 2002, pp 119-127 from Springer

Abstract: Abstract Carbon dioxide concentration in the air is another important factor for plant growth. The CO2 concentration in the open air varies daily. On a sunny day the CO2 level is fairly constant around 300 to 350 µl/l due to photosynthesis by plants, and it rises to around 400 to 450 at night. The CO2 level is more important under cover, especially in plastic houses where air exchange is normally restricted in order to raise temperatures in a cold climate. As a result, the carbon dioxide concentration falls below the outside level during the daytime due to photosynthetic CO2 uptake. Therefore, sometimes CO2 enrichment is conducted in plastic houses.

Keywords: Soil Layer; Soil Temperature; Sherwood Number; Carbon Dioxide Concentration; Soil Thermal Conductivity (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1007/978-94-010-0583-8_7

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