機器
above
aerial
agricultural
agriculture
agronomy
chemicals
crop
cultivated
driving
dust
ecology
equipment
farm
farmer
farming
fertilizer
field
food
grass
green
growth
harvest
harvester
harvesting
industry
land
landscape
machinery
meadow
monoculture
nature
pesticide
plant
rural
season
seeding
soil
sorghum
soybean
spray
sprayer
spraying
spring
summer
toxic
tractor
water
weeding
wheat