Columbia subject headings:
Compost--Periodicals.
Recycling (Waste, etc.)--Periodicals.
Waste disposal in the ground--Periodicals.
Harvard subject headings:
Compost--Periodicals.
Organic wastes--Recycling--Periodicals.
Periodicals
Princeton subject headings:
Compost--Periodicals.
Organic wastes--Recycling--Periodicals.