機器
agricultural
agriculture
care
chemical
crop
cultivated
driving
dust
ecology
equipment
farm
farmer
farming
fertilizer
fertillizer
field
food
green
growth
industry
land
landscape
machinery
material
meadow
metal
monoculture
nature
nonurban
pesticide
plant
plantation
rural
scene
scenics
season
sorghum
soy
soya
soybean
spray
sprayer
spring
substance
toxic
tractor
vegetable
weeding
wheat