Treatments

Composition

Mesophilic and thermophilic ratio

T1

All nitrogen-rich substrate (40 kg of goat dung and 20 kg of pig dung) applied at the start of composting (mesophilic stage).

1:0

T2

All nitrogen-rich substrate applied at thermophilic stage (>50˚C) after the start of composting

0:1

T3

50 % of nitrogen-rich substrate (20 kg of goat dung and 10 kg of pig dung) applied at the start of composting and the remaining 50% added at thermophilic stage.

1:1

T4

20% of nitrogen-rich substrate (8 kg of goat dung and 4 kg of pig dung) applied at the start of composting and the remaining 80% (32 kg of goat dung and 16 kg of pig dung) added at the thermophilic stage.

0.2:0.8

T5

80% of nitrogen-rich substrate applied at the start of composting and the remaining 20% added at the thermophilic stage.

0.8:0.2