| Treatment | Profit or MNR (US$/Ha) | % Increase over control (US$/Ha) | Total Variable Cost (US$/Ha) | Marginal Rate of Return (MRR) | |
| Rhizobium |
|
|
|
| |
| − | 1557.54 ± 106.38a | - | 265.34 ± 5.50a | 5.93 ± 0.42a | |
| + | 2349.56 ± 225.62b | 41.40 ± 4.63 | 280.34 ± 5.28b | 8.51 ± 0.82b | |
| Fertilizer |
|
|
|
| |
| Control | 1856.35 ± 290.16a | - | 220.03 ± 1.90a | 6.93 ± 0.75a | |
| 20K | 1901.02 ± 210.67a | 36.19 ± 6.11a | 273.67 ± 1.45ab | 7.36 ± 0.70a | |
| 30P | 2013.18 ± 194.17a | 38.57 ± 7.47a | 273.07 ± 1.45ab | 8.33 ± 1.26a | |
| 30P + 20K | 2043.64 ± 338.02a | 28.67 ± 9.60a | 324.59 ± 1.45b | 6.26 ± 1.02a | |
| Varieties |
|
|
|
| |
| 1:Cheupe | 1218.73 ± 072.74a | 11.39 ± 5.89a | 272.84 ± 6.78a | 4.52 ± 0.29a | |
| 2:Selian 2005 | 1756.17 ± 176.21b | −3.23 ± 4.83a | 272.84 ± 6.78a | 6.48 ± 0.63b | |
| 3:Selian 2006 | 2885.74 ± 271.53c | −5.0 ± 13.84a | 272.84 ± 6.78a | 10.66 ± 0.99c | |
| 3 WAY ANOVA (F stat) |
|
|
| ||
| Rhizobium | 16.77*** | 11.25*** | 8.39*** | 13.56*** | |
| Fertilizer | 0.21 ns | 0.26 ns | 6.79*** | 1.53 ns | |
| Variaties | 25.80*** | 1.14 ns | 0.0 ns | 26.57*** | |