1. Protecting plants from the extremes of the environment
Shelter

2. Types of shelter Artificial shelter
Crops can be protected by shelter cloth
This protects them immediately from the wind

3. Shelter cloth

4. Trees can also be used for shelter
They need to be established before the crops are planted
However once the trees have grown they last much longer than shelter cloth

5. Shelter trees

6. Maintenance of shelter trees

7. Protected environments
Shade houses
Protect plants from
too much sunlight e.g. ferns
High temperatures e.g. seedlings in the summertime

8. Plastic Houses
Increase the air and soil temperature
Plants can be grown out of season when the outside temperature is too cold

9. Protecting plants outside
Row Covers
These can be used to protect plants from cold temperatures when they are first planted
Good row covers can provide protection up to 8ºC of frost