Linked from
The 12 pages that link to Manure, each with the reason it gives.
CattleRelated: Cattle manure returns nutrients to fields and can be used for biogas.
LivestockRelated: Livestock manure recycles nutrients from feed back into agricultural soils.
CompostRelated: It contributes nutrients and readily decomposable organic matter to some composts.
FecesCompared with: It shows how animal feces can be treated as a resource rather than waste.