英文關鍵字
field
crop
herbicides
meadow
pesticide
weeding
chemical
equipment
plant
spray
sprayer
tractor
agricultural
application
cereals
chemicals
farming
grass
preemergence
preemergent
pulverisateur
pulverisation
roundup
soil
spreading
stage
traitement
treatment
weedkiller
agriculture
care
cultivated
driving
dust
ecology
farm
fertillizer