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