機器
above
aerial
agricultural
agriculture
agronomy
chemical
countryside
crop
crops
cultivate
cultivated
cultivation
dust
ecology
equipment
farm
farmer
farming
field
green
growth
harvest
harvester
heart
industrial
industry
land
landscape
machinery
meadow
nature
plant
rural
scene
season
seed
seeding
shape
soil
spray
sprayer
spraying
spring
summer
sunrise
texture
toxic
tractor
wheat