英文關鍵字
agricultural
agriculture
chemical
corn
countryside
crop
cultivate
cultivated
ecology
environment
equipment
farm
farmer
farming
fertilizer
field
follow
food
green
growing
handheld
harvesting
herbicide
industry
land
machine
machinery
meadow
motion
parasite
pest
pesticide
plant
protection
rural
scene
slow
spray
sprayer
spring
technology
toxic
toxins
tracking
tractor
view
wheat