英文關鍵字
across
aerial
agitation
agricultural
agriculture
crop
cultivated
cultivating
cultivation
cultivator
cultivators
dirt
drag
drawbar
farm
field
footage
furrows
harrow
harrowing
hitch
implement
implements
mechanical
mechanized
modern
mounted
overturning
overview
parallel
planting
ploughing
practice
preparation
pulling
purpose
raking
rollers
rolling
rototilling
rows
seed
seeds
smoothing
soil
sowing
spike
spring
stirring
structure
surface
tillage
tilling
tilth
tooth
tracks
tractor
trailed
trenches
vehicle
video