機器
agribusiness
agriculture
chemical
countrymen
countryside
crop
disinfection
engine
environment
equipment
farm
farmer
fertilize
fertilizer
field
garden
gardening
green
insect
insecticide
lifestyle
machinery
man
nature
nozzle
organic
outdoor
people
pest
pesticide
plant
plantation
protect
protection
protective
pump
space
spray
sprayer
spraying
spring
summer
tank
tool
toxic
water
work
worker