英文關鍵字
agricultural
agriculture
agronomy
arable
black
cultivate
cultivated
cultivating
cultivation
cultivator
dirt
dirty
dust
earth
equipment
farm
farmer
farming
farmland
field
garden
gardening
green
ground
growth
land
landscape
machine
machinery
motor
nature
occupation
outdoor
plant
plough
plow
plowed
plowing
preparation
prepare
rural
rusty
season
soil
spring
tilling
tractor
village
wheel
work