機器
agricultural
agriculture
automated
automatic
blue
countryside
crop
cultivated
ecology
environment
equipment
farm
farming
farmland
field
garden
green
grow
growing
growth
industrial
industry
irrigate
irrigating
irrigation
land
landscape
metal
modern
natural
nature
outdoor
pivot
plant
pump
rural
sky
soil
spray
sprayer
sprinkler
steel
summer
system
technology
tower
water
wheel
wheels