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List of contents
IntroductionDefinitionSome General Characterizations: Relationship to the Particular Country. Energy, Capital, and Labor Requirements. Return to the Grower. Size. Extent. Special Peculiarity of Greenhouses.Questions to Answer in Starting a GreenhouseAbout the FutureStructures: Locations, Styles, and StructuresClimatic Considerations and LocationSite SelectionArrangement: Service Facilities.OrientationSuperstructures: Design and Standards. Structures, Materials, and Methods.Coverings: Plastics. Glass. Special Variations.Peril to the Structure: Wind. Hail. Fire. Snow. Miscellaneous Perils.Interior Arrangements: Longitudinal Arrangements. Penninsular and Other Types. Movable Arrangements.CostsRadiationRadiation Basics: The Electromagnetic Spectrum. Quanta. Terminology. Conversions. Measuring Radiation.Solar RadiationRadiation and the Greenhouse: Coverings and Energy Transfer. Structure and Total Transmissivity. Modifications to Increase or Modify Irradiance.The Plant and Radiation: Radiation Interception by the Canopy. Photosynthesis and Radiation. Photomorphogenesis.TemperatureThe Plant and Thermomorphogenesis: Plant Temperature. The Effects of Temperature.Temperature and Its MeasurementTemperature Manipulation in the Greenhouse: Heat Losses and Requirements of the Structure. Heating Systems and Energy Sources. Ventilation and Cooling. Temperature Variations Inside Greenhouses.WaterWater and Plant Response: Basics and Units of Water Potential. Effects of Stress on Growth.Water Supply: The Root System. Factors Limiting Root Activity. Field Soils. Water Movement into Soils and Irrigation Frequency. Measuring Soil Moisture Content. Water Relationships. Hydroponics. Irrigation Systems. Automatic Control of Irrigation.Water Demand: Transpiration Units and Quantities. Transpiration. Humidity. Calculation of Transpiration Rate. Summary.NutritionUnits and Termin
About the author
Hanan, Joe J.
Summary
A greenhouse provides an essential means of livelihood to its owner and must be economically practical for the particular climate in which it stands. This book addresses the major environmental factors of light, temperature, water, nutrition, and carbon dioxide, and features discussions of greenhouse types, construction, and climate control.
