英文關鍵字
agriculture
bean
beetle
blue
boots
bug
chemical
colorado
crop
cultivate
ecology
equipment
farm
farmer
fertilize
fertilizer
field
fungicide
gardener
gardening
gloves
green
herbicide
house
insecticide
kill
killer
manual
nature
people
pesticide
plant
pollution
potato
protection
protective
rural
spray
sprayer
substance
tool
toxic
water
weed
worker
workwear
yellow