英文關鍵字
agricultural
agriculture
agronomy
biology
botany
business
change
cleaning
combine
conveyor
crop
culture
cycle
development
drawing
economy
farm
field
flora
food
fresh
fruiting
germination
grow
growing
harvester
harvesting
horticulture
illustration
industrial
industry
machinery
mature
mowing
natural
nature
oil
plant
process
product
production
rotation
sector
seeds
stem
sun
sunflower
technology
vegetable
yield