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The Berkeley Hot Composting Method
The hot composting method, known as the Berkeley method, developed by the University of California, Berkeley, is a fast, efficient, high-temperature, composting technique which will produce high quality compost in only 18 days.

The requirements for hot composting using the Berkeley method are as follows:

Compost temperature is maintained between 55-65 °C (131-149 °F)
The C:N (carbon:nitrogen) balance in the composting materials is approximately 25-30:1
The compost heap needs to be 1m x 1m (3′ x 3′) wide and roughly 1.5m (5′) high
If composting material is high in carbon, such as tree branches, they need to be broken up, with a mulcher for example
Compost is turned from outside to inside and vice versa to mix it thoroughly
With the 18-day Berkeley method, the procedure is quite straightforward and can be summarised into three basic steps:

Build compost heap
4 days – no turning
Then turn every 2nd day for 14 days

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