英文關鍵字
agricultural
agriculture
agronomy
birds
crop
cultivated
dirt
drive
driving
dust
equipment
farm
farmer
farming
farmland
field
flock
furrows
grain
growth
harrow
haze
horizon
industrial
industry
land
landscape
machinery
manufacture
nature
occupation
plant
plow
plowing
production
ranch
red
rural
scene
seeder
soil
sower
straw
tractor
vehicle
wheat
work