英文關鍵字
agriculture
agronomist
autumn
botany
cereal
cereals
check
class
closeup
concept
corn
crop
cultivate
disease
ear
environment
farm
farmer
field
finger
flower
food
glass
golden
grain
grow
hand
hands
harvest
healthy
human
inspect
leaf
magnification
magnify
man
nature
organic
plant
ripe
rural
rye
selection
spring
struck
summer
tool
variety
wheat
yellow