英文關鍵字
agricultural
agriculture
background
botany
chemical
cultivate
cultivation
farm
farming
fertile
garden
gardening
grow
growth
handle
humus
industry
isolated
manure
natural
nitrate
nitrogen
organic
phosphate
phosphorus
plant
plantation
potassium
sodium
soil
surface
farmer
hands
gloves
nature
outdoor
mineral
flowering
gardener
gloved
hand
holds
shovel
fertilizes
ground
planting
autumn