B8.4 Greenhouses Flashcards
1
Q
What do greenhouses do ?
A
Allow us to grow crops outside their usual conditions
2
Q
What is a major factor a grower must consider when designing a greenhouse?
A
Costs for labour and staff
3
Q
Why maximise photosynthesis ?
A
Better condition allow for high rates of Photosynthesis
This means the plants produce more glucose
They use this for energy
Which is used for growth
4
Q
What are three artificial ways of controlling photosynthesis ?
A
Fertilisers- specific nutrients given to crops to maximise/control growth
Glass/ clear windows: light and temperature
Paraffin heaters: burning wax/paraffin in releases carbon dioxide and heat