英文關鍵字
agricultural
agriculture
arable
autumn
chemical
closeup
crop
cultivated
cultivation
down
dust
earth
equipment
farm
farming
farmland
fertile
fertilization
fertilize
fertilizer
field
green
ground
harrow
heavy
industry
insecticide
land
machine
machinery
nature
pesticide
plant
prepare
red
season
seed
soil
sow
sowing
spread
spring
summer
tilt
tiltdown
tractor
vehicle
work
worker