英文關鍵字
agricultural
agriculture
arable
autumn
chemical
clouds
crop
cultivated
cultivation
dirty
driving
dust
equipment
farm
farming
fertillizer
field
food
growth
harrow
industry
land
landscape
machine
machinery
meadow
metal
nature
nonurban
plant
plantation
plants
plow
plowed
preparation
rural
scene
season
sky
soy
soya
spray
sprayer
straw
substance
sunset
tractor
vehicle
wheat
work