英文關鍵字
aerial
agricultural
agriculture
chemical
corn
countryside
crop
cultivated
cultivation
ecology
equipment
farm
farmer
farming
fertilizer
field
green
harvester
industry
land
landscape
machine
machinery
meadow
nature
pesticide
pesticides
plant
plowing
rural
season
seed
sky
spray
sprayer
spraying
summer
tractor
view
water
wheat
work
worker