英文關鍵字
aerial
agricultural
agriculture
aligning
break
clods
country
countryside
crop
cultivate
cultivating
cultivation
cuts
dirt
dragging
driving
dry
earthy
ecology
farm
farmer
farming
field
finer
footage
grasses
ground
growth
harrow
harvest
industrial
industry
land
leveled
loose
loosening
machine
manure
material
meadow
pieces
planting
plough
ploughing
plow
plowing
preparation
preparing
rural
season
secondary
seed
smoothed
soft
soil
sowing
spike
surface
tillage
tilling
tooth
tractor
wheat
work