英文關鍵字
agricultural
agriculture
agronomy
carcinogenic
chemical
corn
country
countryside
crop
cultivate
earth
environment
environmental
equipment
farm
farmer
farming
fertilize
field
fungicide
green
growing
growth
harvest
health
herbicide
insecticide
landscape
machine
machinery
mask
natural
nature
pesticide
plant
poison
poisonous
pollutant
pollution
protection
rural
spray
sprayer
spring
toxic
toxicity
tractor
treatment
weed
work