by Joe J. Hanan

Features:

• 481 Figures show examples of important factors discussed in the text
• 155 Tables offer speedy reference to specific information
• 146 Equations supply the basics for calculation and serve as examples of more advanced procedures
• 1,736 Reference citations allow reader to refer to basic information in the literature
• Standard substrate mixtures and amendments are given to provide readers with rapid reference to successful materials, physical properties, and requirements for soils
• Discussions of various greenhouse coverings and their advantages and disadvantages assist readers in considering the best options
• Greenhouse practice in numerous climatic regions worldwide
• Details from engineering and agronomic studies not normally found in the horticulture literature

Greenhouses: Advanced Technology for Protected Horticulture addresses the major environmental factors of light, temperature, water, nutrition, and carbon dioxide, and features extensive discussions of greenhouse types, construction, and climate control.

The book highlights technology such as hydroponics, computer control of environments, and advanced mathematical procedures for environmental optimization.

Greenhouses: Advanced Technology for Protected Horticulture is the definitive text/reference for the science of greenhouse engineering and management.

Contents

1. Introduction • Definition • Some 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 Greenhouse • About the Future • Structures: Locations, Styles, and Structures • Climatic Considerations and Location
2. Site Selection • Arrangement: Service Facilities. • Orientation • Superstructures: 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. • Costs
3. Radiation • Radiation Basics: The Electromagnetic Spectrum. Quanta. Terminology. Conversions. Measuring Radiation. • Solar Radiation • Radiation 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.
4. Temperature • The Plant and Thermomorphogenesis: Plant Temperature. • The Effects of Temperature. • Temperature and Its Measurement • Temperature Manipulation in the Greenhouse: Heat Losses and Requirements of the Structure. • Heating Systems and Energy Sources. • Ventilation and Cooling. • Temperature Variations Inside Greenhouses.
5. Water • Water 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.
6. Nutrition • Units and Terminology: Concentration. • Activity. • Equivalency. • Acidity. • Oxidation-Reduction • Adsorption-Desorption in Soils. • Mass Exchange Equlibria. • Electrical Conductivity. • Comments on Logarithms. • Nutrients in the Plant and Tissue Analysis: Definitions of Nutrient Requirements. • Published Nutrient Values in Tissue • Factors Affecting Plant Nutrient Concentrations. • Plant Nutrient Uptake and Ionic Interactions. • Nutrient Distribution and Tissue Sampling. • Diagnosis from Tissue Sampling. • Nutrient Supply: The Root Environment • Basic Fertility Relationships. • Carbonates and pH Control. • Chelation and Micronutrients. • Macronutrient Fertilization and Control. • Soil Analysis. • Salinity and Irrigation Water Quality: Salinity • Irrigation Water Quality and Manipulation. • Environmental Contamination from Greenhouses.
7. Carbon Dioxide • Units and Measurements for CO2: Units of Concentration • CO2 Measurement. • CO2 Physiology: CO2 Fixation. • Review of Radiation Measurements. • Review of Temperature Relationships. • Effects of Leaf Age and Nutrition. • Effect of CO2 Concentrations. • The Vegetative Canopy and CO2 Uptake. • Crop Response to CO2 Enrichment. • CO2 Sources and Problems with Pollution: Pure CO2. • Combustion. • Organic Matter Decomposition. • Problems of Pollutants form Combustion Sources. • CO2 Distribution and Concentration in Greenhouses • CO2 Control: The Climatic Influence. • Raising Temperatures • Intermittent CO2 Injection. • Dutch Guidelines. • Heat from Combustion. • Daily Injection Periods. • Enrichment at Full Ventilation.
8. Climate Control • Background and Development • Greenhouse Climate and Control: Control Requirements. • Greenhouse Climate. • Some Basics of Control. • Sensors in the Greenhouse. • The Computer: Advantages of Computers and Possibilities. • Software, the Guiding Reins. Intercommunication. • Optimization and Modeling: Requirements. • Examples of Limited Approaches. • Models. • Complete Models.

Appendix A: Symbolism, Physical Constants, Units
Appendix B: Miscellaneous Conversions, cgs-English

Index

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