英文關鍵字
agricultural
agriculture
agronomy
cereal
chemical
corn
country
crop
cultivated
culture
earth
ecology
environmental
equipment
farm
farmer
fertilizer
field
green
growth
harvest
industrial
industry
landscape
liquid
machine
machinery
nature
pesticide
pesticides
plant
protection
rural
season
spray
sprayer
stream
summer
toxic
tractor
tripod
village
water
weed
wheat
work
worker
working