機器
agrarian
agricultural
agronomy
background
blue
chemical
cloudy
countryside
crop
culture
day
ecology
environment
equipment
farm
farmland
field
green
growing
harvest
industrial
industry
land
landscape
machinery
nature
object
organic
outdoors
pesticide
plant
plantation
ripening
rural
scene
scenery
season
sky
spraying
spring
summer
system
technology
tractor
unripe
work