英文關鍵字
agricultural
agriculture
agronomy
breeze
business
contemporary
corn
crop
crops
drill
driver
dust
engine
equipment
farming
fertile
field
fields
hummus
husbandry
hybrid
industrial
land
landscape
machine
machinery
maize
mechanical
mechanization
modern
nature
objects
outdoors
planter
planting
plants
plowed
production
rural
scene
seed
seeder
seeding
sowing
springtime
technology
time
tractor
valley
villagers
wheat
wheatgrass
wheeled