英文關鍵字
agriculture
agronomy
background
barley
bright
cereal
combine
concept
countryside
crop
cultivated
equipment
farm
farmer
farming
farmland
fertile
field
grain
harvest
harvester
harvesting
industrial
industry
land
machine
machinery
manufacture
monoculture
nobody
organic
outdoor
plant
plantation
ripe
rural
rye
season
seed
spikelet
sun
sunlight
sunny
tractor
view
wheat
work
yield