5.1 Glasshouses

• Glasshouses are used to improve yield of crop

• Giving best possible conditions for photosynthesis
• Allows plants to grow earlier in the year
• Allows plants to grow in places in which they are not native to
• Can be controlled/manage via computer
• Conditions
• Temperature
• The sunlight heats the inside of the glass house
• The glass keeps the heat inside
• Electric/paraffin heaters can be used in cold weather
• Ventilators can cool the inside when too hot
• Light
• The glass lets sunlight in
• Artificial lights can be used when there is little/no sunlight
• Sunlight can be controlled using blinds
• Water
• Automatic watering systems can be installed
• Humidifiers can be installed to control the humidity