機器
aerial
agricultural
agriculture
agronomy
arable
autumn
border
chemical
crop
cultivate
cultivated
cultivator
dust
ecology
equipment
farm
farming
fertillizer
field
food
growth
harrow
industry
land
landscape
machinery
man
meadow
nature
pesticide
plant
plantation
plow
preparation
rural
scenics
season
seed
sky
soil
sowing
soya
spray
spring
summer
sunset
tractor
vehicle
weeding