英文關鍵字
agrarian
agricultural
agriculture
agronomy
background
brown
cereal
country
crop
cultivated
cultivation
dirt
earth
environment
europe
fallow
farm
farming
farmland
field
fields
grass
green
ground
growth
humus
industry
land
landscape
nature
ploughed
plow
plowed
rural
season
sky
soil
summer
textured
view