機器
aerial
agricultural
agriculture
agronomy
country
countryside
crop
crops
cultivate
cultivating
cultivation
dust
equipment
farm
farmer
farming
farmland
field
harrow
harvest
industrial
industry
land
landscape
machinery
meadow
nature
plant
planting
plough
plow
plowed
preparation
rural
season
seed
seeding
soil
sowing
summer
sunrise
sunset
tractor
vehicle
work