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2.2.2. Pit Method

This technique is simple to maintain and use. Composting is done in pits measuring 1.5 x 1.5 x 1 m

(~5x5x3 feet) and made of cement. Straw grass or other locally accessible material is used to cover the
structure. For the best pit composting, the pit depth should be at least 12 inches (30 cm) and the top of
the pit should be covered with at least 8 inches (20 cm) of soil after the organic materials have been

added (Fig 4a and 4b).

Figure 4. Methods in vermicomposting. a) Pit method application [15], b) Pit method example [16]

The vermicomposting pit method is the decomposition of organic waste within the pit using red
composting earthworms (species such as Eisenia fetida or Eisenia andrei). The advantages and
disadvantages of this method are given below:

Advantages:

➢ Natural Composting: In-pit vermicomposting encourages a natural composting process.

Worms naturally decompose organic waste and create valuable vermicompost fertilizer.
➢ Low Space Requirement: The vermicomposting pit method requires less space than other
composting methods. It can be applied in small gardens or limited areas.

➢ Low Cost: The pit method is a cost-effective composting option. It does not require special
equipment or closed systems, just digging a pit is enough.
➢ Natural Worms: Natural earthworm species are used in the in-ground pit method.

Earthworms live in a natural environment and decompose organic waste, providing valuable
nutrients to the soil.
➢ Easy Applicability: Vermicompost pit is a practical and easy-to-use composting method. It

requires no special knowledge or skills.

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