機器
aerial
agricultural
agriculture
agronomy
brown
cultivate
cultivated
cultivation
dirt
dust
environment
equipment
farm
farming
field
flying
growth
harrow
land
landscape
landscaped
machinery
meadow
nature
occupation
outdoors
plain
plough
ploughing
plow
plowed
plowing
preparation
preparing
rural
scene
scenics
season
sky
soil
sowing
spring
sunrise
sunset
tractor
vehicle
view
work