Compost Bin (PA Technology)
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Compost Bin | ☐ Energy Efficiency ☐ Renewable Energy ☑ Alternative Methodology |
Description | Compost is organic matter that has been decomposed and recycled as a fertilizer and soil amendment. Compost is a key ingredient in organic farming. At the simplest level, the process of composting simply requires making a heap of wetted organic matter (leaves, ""green"" food waste) and waiting for the materials to break down into humus after a period of weeks or months. Modern, methodical composting is a multi-step, closely monitored process with measured inputs of water, air, and carbon- and nitrogen-rich materials. The decomposition process is aided by shredding the plant matter, adding water and ensuring proper aeration by regularly turning the mixture. Worms and fungi further break up the material. Aerobic bacteria manage the chemical process by converting the inputs into heat, carbon dioxide and ammonium. The ammonium is further converted by bacteria into plant-nourishing nitrites and nitrates through the process of nitrification.
Compost can be rich in nutrients. It is used in gardens, landscaping, horticulture, and agriculture. The compost itself is beneficial for the land in many ways, including as a soil conditioner, a fertilizer, addition of vital humus or humic acids, and as a natural pesticide for soil. In ecosystems, compost is useful for erosion control, land and stream reclamation, wetland construction, and as landfill cover. Organic ingredients intended for composting can alternatively be used to generate biogas through anaerobic digestion. Anaerobic digestion is fast overtaking composting in some parts of the world (especially central Europe) as a primary means of downcycling waste organic matter. Source: (http://en.wikipedia.org/wiki/Compost) | ||||||||||||||||||||||||||||
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Primarily Relevant for the following Agricultural Value Chain Steps |
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Primarily Relevant for the following Agricultural Value Chain Activities |
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Primarily Implemented in the following Commodity Groups |
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None ☐ Africa ☐ South Asia ☐ East Asia & The Pacific ☐ Europe & Central Asia ☐ Latin America & The Caribbean ☐ Middle East & North Africa ☐ North America ☐ N/A: / | ||||||||||||||||||||||||||||
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None ☐ Africa ☐ South Asia ☐ East Asia & The Pacific ☐ Europe & Central Asia ☐ Latin America & The Caribbean ☐ Middle East & North Africa ☐ North America ☐ N/A: / | ||||||||||||||||||||||||||||
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Worldwide ☑ Africa ☑ South Asia ☑ East Asia & The Pacific ☑ Europe & Central Asia ☑ Latin America & The Caribbean ☑ Middle East & North Africa ☑ North America ☐ N/A: / | ||||||||||||||||||||||||||||
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Additional information / Comments | No comments. | ||||||||||||||||||||||||||||
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Additional Links |
http://en.wikipedia.org/wiki/Compost http://www.benefits-of-recycling.com/typesofcomposting/ http://www.worldwatch.org/node/4751 http://www.actioncarbone.org/index.php/en/projects/133-compostage-des-dechets-a-madagascar |