- Container composting
Container composting is an approach to
compostingin a container.
There is debate as to whether slatted or closed sided
bins are preferable, for this affects air circulation in the compost pile. There is also debate about the potential for heatloss. The "Indore" method developed by Sir Albert Howardand the " Shewell Cooper" method favour slats, while the "New Zealand Box" method advocates the use of closed sides.
"Mike Morrison's" (Australia) approach has been a departure from traditional methods with the Compost Oven comprised of patented bubble film with an embedded self aerating and heating device to keep the compost warm, damp and insulated against heat loss. Morrison earlier [http://www.patentstorm.us/patents/6518057.html patented] self-aerating composting technology, subsequently commercialised (and trademarked as [https://www.aerobin400.com/about.aspx Aerobin] ), a design which incorporates a separate leachate collection chamber, an integral thermal insulation layer, and a central aeration core.
There are also differences between these techniques in terms of activators (that is, high
nitrogencontent organic substances to stimulate high bacterial activity within the heap, e.g., urine, grassmowings, comfreyleaves, etc.) and materials used. However, most agree that a good mixture of carbonand nitrogenous materials, usually created in layers and on a base consisting of rougher, stemmy material (to encourage aircirculation) that is in contact with the soil are essential to all successful composting processes.
When space is limited, composting can be done with good results by using cylindrical bins, paying attention to the all-important issues of aeration and
Carbon to nitrogen ratios. Such bins are available proprietarily, and are often supplied by local authorities at low cost to encourage recycling.
Photos of compost bins
The following is an assortment of commercially available compost bins:
High fibre composting
Spent mushroom compost
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