英文關鍵字
agricultural
agriculture
agronomic
agronomy
autumn
business
corn
crop
cultivated
cultivating
dirt
drive
driver
dust
earth
equipment
farm
farmer
farming
farmland
field
furrows
harrow
implement
industrial
industry
land
machinery
maize
man
manufacture
occupation
planting
plow
plowed
rural
seed
soil
sow
sowing
spring
tires
tractor
vehicle
wheat
work