composting
agriculture
bin
bio
biodegradable
compost
concept
conservation
decay
decompose
dirt
earth
eco
ecological
ecology
environment
environmental
farming
fertilizer
food
fruit
garbage
garden
gardening
green
heap
household
humus
illustration
isolated
kitchen
leaf
natural
nature
organic
peel
pile
plant
recycle
recycling
reduce
reuse
rubbish
sign
soil
symbol
trash
vegetable
waste