Impact of medium quality on harvested crop content and quality - Environmental...
Plant environment - Brussels sprouts, Parasitic wasps
Watering - Watering plants, Rhubarb, Integrated Pest Management
Ventilation - Principles & Practices, Carrots, Green Lacewings
Temperature - Air temperature & plants, Leeks, Atmospheric contaminants
Oxygen & Roots - Root zone temperature, Parsnip, Pythium
Plagues & Diseases - Botrytis crop killer, Ginger, Preventing infections
Roots - Water types & treatments, Root hairs, Phosphorus deficiency