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:''For the process of producing compost see [[composting]]''
[[Image:Real_Compost.jpg|right|250px|thumb|A handful of compost]]
'''Compost''' is the aerobically decomposed remnants of [[organic material]]s (those with [[plant]] and [[animal]] origins). Compost is used in [[gardening]] and [[agriculture]] as a [[soil]] amendment, and commercially by the landscaping and container nursery industries. It is also used for erosion control, land/stream reclamation, wetland construction, and as landfill cover (see [[compost uses]]). Compost is also used as a seed starting medium generally mixed with a small portion of sand for improved drainage.
==Compost ingredients==
Given enough time, all [[biodegradable]] material will compost. However, not all compost feedstocks are appropriate for backyard composting. Most backyard systems will not reach high enough temperatures to kill pathogens or deter vermin, so pet droppings, non-vegetarian animal manure, scraps of meat, and dairy products are best left to operators of high-rate, thermophylic composting systems.
==British composting standard==
The British [[Composting Association]]<ref>[http://www.compost.org.uk/ Composting Association] British Composting Association</ref> worked to establish an industry standard for the composts, the [[BSI PAS 100]] certified by the [[British Standards Institute]]. The specification covers the entire process; from raw materials and production methods, through quality control and lab testing ensuring certified composts are quality assured traceable safe and reliable.<ref>[http://www.wrap.org.uk/downloads/Introduction_to_BSI_PAS_100-20052.1d935094.pdf Introduction to PAS 100] Waste Resource Action Programme & Composting Association Document</ref>
==Compost types and ingredients==
*[[Biodegradable waste]]
*[[Coffee#Composting|Coffee grounds]]
*[[Compost tea]]
*[[Effective Microorganisms]]
*[[Green waste]]
*[[Humanure]]
*[[Humus]]
*[[Leaf mold]]
*[[Mulch]]
*[[Spent mushroom compost]]
*[[Worm compost]]
== See also ==
*[[Anaerobic digestion]]
*[[Composting]]
*[[List of composting systems]]
*[[Mechanical biological treatment]]
*[[Soil conditioner]]
*[[Waste management]]
==References==
<references/>
{{waste}}
[[Category:Biodegradation]]
[[Category:Biodegradable waste management]]
[[Category:Biotechnology products]]
[[Category:Composting]]
[[Category:Gardening]]
[[Category:Mechanical biological treatment]]
[[Category:Organic gardening]]
[[Category:Soil biology]]
[[Category:Soil improvers]]
[[Category:Sustainability]]
[[Category:Sustainable technologies]]