英文關鍵字
agricultural
agriculture
agronomy
barley
countryside
cultivate
cultivation
cutting
dirt
dist
ecology
environment
farm
farming
field
flat
food
formation
grain
grow
growth
harvest
harvester
industrial
industry
job
land
machine
machinery
manitoba
montana
nobody
overhead
prairie
province
raw
ripe
rural
straw
view
wheat
work
yellow