英文關鍵字
agricultural
agriculture
ash
ashes
burn
burnt
calcium
carbonate
chard
coal
control
cultivation
dirt
earth
eco
farmer
farming
fertilizer
field
friendly
garden
gardener
gardening
ground
growing
hand
mineral
natural
nutrients
organic
pesticide
plantation
plants
potassium
powder
protection
repellent
seedling
sodium
soil
vegetable
wood
wooden