機器
agricultural
agriculture
automatic
commodities
countryside
crop
crops
cultivate
drip
ecology
environment
equipment
farm
farming
farmland
field
food
green
ground
grow
growing
harvest
industrial
industry
irrigate
irrigation
land
landscape
mechanical
metal
modern
pivot
plant
pressure
pump
resource
rural
spray
sprinkler
supply
system
technology
tool
water
wet
wheel
wheeled