The World of Orchids

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The World of Orchids

With an estimated 25,000 species worldwide, orchids are loved for their exotic and mysterious habitat, from cloud-shrouded mountains and rainforests, to mangrove swamps and semi-desert scrubs. They are perhaps the most challenging of all flowering plants to cultivate outside their natural habitat, often taking many years before the first flower appears. This book presents the results of the author’s many years of research into orchid cultivation using soilless culture techniques. It is for orchid enthusiasts as well as commercial growers producing high quality orchid plants.

Large format softcover – Pages 160 – Ed. 1993.

ISBN 0-9586735-6-X

CONTENTS

INTRODUCTION

Chapter 1: WHY GROW ORCHIDS HYDROPONICALLY?

  • Historical
  • Interest by Orchid Growers
  • Hydroponics in the Garden
  • Potential for improvement
  • Environmental Considerations
  • Orchid Fertilising Needs
  • Advantages of Soilless Culture

Chapter 2: NATURAL HABITATS

  • Growing Conditions
  • Orchid Groups
  • Natural Habitat
  • Habitat Threats
  • Breeding

Chapter 3: GROWING MEDIA

  • Requirements
  • Inorganic Mixtures
  • Organic Mixtures
  • Re-wetting
  • Porosity
  • Containers
  • Hydroponic Systems Media
  • Capillarity and suction
  • Transferring to Hydroponics

Chapter4: FERTILISING AND WATERING

  • Early Practices
  • Essential Elements
  • Fertiliser Mixtures
  • Nutritional Disorders
  • Hydroponic Fertilisers
  • Salinity
  • Fertiliser Regime
  • Hydro-Organics
  • Watering
  • Foliar Sprays
  • Evaporation
  • Reclaimed Waste Water
  • Nutrient Formulation Software

Chapter 5: NUTRIENT FEED SYSTEMS

  • Typical Methods
  • Watering Can Method
  • Gravity Feed
  • Wick System
  • Self-Scheduling System
  • Management and Monitoring

Chapter 6: ORCHID ROOT SYSTEM

  • Root Characteristics
  • Factors Affecting Uptake of Nutrients
  • Environmental Factors
  • The Root Structure
  • Function of the Velamen
  • Repotting and Potting-on
  • Oxygen Demand
  • Diffusion and Osmosis
  • Growing Containers
  • Root Problems

Chapter 7: STRESS FACTORS IN ORCHIDS

  • The Environment
  • Root Zone Moisture
  • Computer Control
  • Nutrient Calculation
  • Contaminants

Chapter 8: ORCHIDS AND pH MEASUREMENT

  • Testing Soils from terrestrials
  • Testing Epiphytic Litter
  • Natural Habitat Conditions
  • Role of the Medium
  • Cation Exchange Capacity
  • Forms of Solution Nitrogen
  • pH Adjustment

Chapter 9: PLANT NUTRITION AND TISSUE ANALYSIS

  • Essential Elements
  • Element Concentrations
  • Tissue Analysis

Chapter 10: RAISING SEEDLINGS

  • Flasking
  • Preparing for Hydroponic Cultivation
  • Fertiliser
  • Aeroponics
  • Light, Temperature and Humidity
  • Heated Propagators
  • Keikis

Chapter 11: MINERAL DEFICIENCY AND TOXICITY

  • Visible symptoms
  • Mobile Elements
  • Typical Problems

REFERENCES

ORCHID INDEX

 

Price: $29.95
 
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