英文關鍵字
agricultural
agriculture
agronomics
automation
autumn
blade
corn
crop
cultivate
cultivation
cultivator
cut
detail
dirt
disc
disk
dust
earth
equipment
farm
farmer
farming
farmland
field
furrow
green
harrow
heavy
industry
iron
land
machine
machinery
metal
motion
natural
plough
plow
produce
rural
scene
season
slice
slow
soil
steel
tool
tractor
vehicle
wheel
work