英文關鍵字
aerial
agricultural
agriculture
agronomy
autumn
chemical
chemicalcrop
countryside
crop
cultivate
cultivation
drone
dust
equipment
evening
farm
farming
farmland
fertilizer
fertilizing
field
herbicide
industrial
industry
insecticide
land
landscape
machine
machinery
protection
rural
season
shadows
soil
sowing
spray
sprayer
spraying
tractor
vehicle
view
wheat
work
working