《Soilless Growth of Plants》求取 ⇩

1. GENERAL PLANT PHYSIOLOGY1

Plant Structure and Function1

Physiological Functions4

Role of Mineral Elements11

2. GENERAL TYPES OF SOILLESS CULTURE19

General Aspects of Soilless Culture19

Types of Soilless Culture21

3. WATER CULTURE45

Cultural Problems45

Unit Construction for Home and Commercial Use51

Unit Operation58

4. SAND CULTURE61

Cultural Problems61

Unit Construction for Home and Commercial Use (Slop Culture, Drip Culture, Modified Slop Culture, Dry Salt Method)67

Unit Operation78

5. GRAVEL CULTURE85

Cultural Problems85

Unit Construction for Home and Commercial Use (Bucket and Gravity, Pump and Motor, Compressed Air, Wick Devices, Direct-feed, Gravity Feed)90

Construction Details (Bed, Tile, Flume, Cistern, Tank, Pumps, Motors, Time Clocks, Piping, Valves, Media)110

Unit Operation126

6. THE NUTRIENT SOLUTION129

Theory of Nutrient Solutions129

Chemicals Required (Macro and Micro Elements, Acids, Alkalies)133

Water140

Typical Nutrient Solutions141

Preparing the Nutrient Solution141

7. TECHNICAL CONTROL OF NUTRIENT SOLUTION155

Solution Acidity or pH155

Solution Volume160

Nutrient Ion Concentration163

Solution Changes171

8. TECHNICAL CONTROL OF THE PLANT CULTURE174

Medium Environment (Pumping Cycle of Nutrient Solution, Gravel Temperature, Manipulation of Nutrient Solution to Alter Plant Growth)174

Atmospheric Environment (Air Temperature, Sunlight, Carbon Dioxide, Relative Humidity, Wind, Rain)191

9. GENERAL PLANT CULTURE198

General Aspects (Spacing of Plants, Plant Yield and Quality, Crops to Grow)198

Seeding202

Propagation of Cuttings204

Transplanting205

Training206

Spraying206

Sprinkling and Syringing210

Flushing the Gravel210

Harvesting211

Removing Old Plants212

10. COMMON DETRIMENTS213

Non-Parasitic Diseases (Mineral Deficiencies, Mineral Toxicities, Toxic Gases, Spray and Dust Injury, Chlorine in Water, Water Relations)213

Parasitic Diseases (Diseases Caused by Bacteria and Fungi, Virus Diseases)220

Control of Media-Borne Diseases (Seed Protectants and Sterilizing Agents, Gravel Sterilization)220

Control of Pests225

11. SPECIAL CHEMICALS227

Soil Blocks227

Manure Extracts229

Thiourea232

Hormones233

Vitamin B1236

12. ANALYSES OF THE NUTRIENT SOLUTION237

Measurement of pH237

Analyses for Macro and Micro Nutrient Ions (Quick Tests, Laboratory Tests)239

Water Titration262

Analyses for Formaldehyde262

Plant Tissue Test264

SELECTED REFERENCE LIST267

INDEX269