From: Cost-benefit Analysis and Financial Viability of Household Biogas Plant Investment in South Ethiopia
Variable | Plant size | Category | Minimum | Maximum | Mean ± SD | t value | p value |
---|---|---|---|---|---|---|---|
Firewood (Kg) | 6 m3 | Before adoption | 64 | 128 | 103.53 ± 37.50 | 9.135 | 0.000a |
After adoption | 32 | 64 | 51.76 ± 15.21 | ||||
8 m3 | Before adoption | 96 | 128 | 107.29 ± 36.53 | 9.926 | 0.000a | |
After adoption | 32 | 64 | 52.39 ± 15.04 |