Not all crops are grown to be eaten:
Cotton
Flax
Hemp
Used to produce textiles reducing our need for synthetic fabrics:
Linseed
Bamboo
Flax
Used in construction materials:
Borage
Poppies
Lavender
Chamomile
Evening primrose
Used in drugs and cosmetics:
Wheat
Corn
Potato
Can make plastics, packaging and paper:
Sugar beet
Corn
Barley
Oilseed rape
Can produce fuels that power vehicles reducing our need for gasoline
Next time you pass a farm remember that the crops might not be meant for your plate!