Symposium on plant environment in glasshouses, Silsoe, 13-17 September, 1965
International Society for Horticultural Science, 1968 - Greenhouse management - 265 pages
20 pages matching relative humidity in this book
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air movement air temperature automatic beds Bierhuizen boiler Botrytis cinerea bulb burners calorifier capillary carbon dioxide CO2 concentration combustion commercial control system cost crop curve detector diffusion distribution effect energy Engineering environment environmental equipment evaporation evapotranspiration experimental experiments factors fan and pad gases glass glasshouse glazing greenhouse grower heat loss heating and ventilation heating system hood horticultural humidistat increase influence input installation intensity irrigation Kulimat lamp leaf leaf mold light transmission material maximum measured method moisture night nozzles obtained overhead irrigation oxalic acid perature photosynthesis pipes plastic greenhouses possible problem propane punch reduced relative humidity resistance serres shown soil temperature solar radiation solenoid valve steam pressure steam/air mixture stomates suction surface temperature rise thermal thermal radiation thermal transmittance thermostats tomato transpiration tube unit valve variation wet pad Winspear winter