機器
agricultural
agriculture
agronomy
automation
background
cereal
cereals
chemicals
corn
crops
cultivate
cultivator
culture
ecology
equipment
farm
farming
fertilizer
field
fields
harvest
herbicides
implements
industrial
landscape
large
machinery
pesticides
plain
proboscis
rural
sowing
spray
sprayer
sprays
technology
tractor
trailer
transport
watering
wheeled