英文關鍵字
agricultural
agriculture
agronomy
autumn
bean
blue
combine
corn
crop
cultivated
dirt
driving
dust
equipment
farm
farmer
farming
farmland
field
food
grains
green
harrow
harvest
harvester
harvesting
implement
land
machine
machinery
maize
metal
monoculture
plant
planting
plow
red
roads
rural
scene
seeding
sowing
soybean
sunlight
tires
tractor
yellow