Variable | Cropping system | Mean per ha | SD | Mean differencea-b | T-statistic |
---|---|---|---|---|---|
Yield per ha (corms + leaves) | Solecropa | 7042 | 3631.71 | 1057 | 6.53** |
Intercropb | 5985 | 6052.63 | |||
Total production cost | Solecrop | 3469 | 1642.44 | 124 | 2.06 |
Intercrop | 3345 | 1601.52 | |||
Gross margin | Solecrop | 5420.5 | 4897.16 | 616.4 | 6.18** |
Intercrop | 4806.1 | 4950.94 | |||
Net income (corm only) | Solecrop | 4876 | 4008.23 | 1413 | 7.26** |
Intercrop | 3463 | 3121.11 | |||
Total net income (corm + leaves) | Solecrop | 5103.5 | 4038.99 | 641.1 | 3.77** |
Intercrop | 4462.1 | 3957.54 | |||
Return on assets | Solecrop | 29.1 | 10.19 | 7.9 | 4.16** |
Intercrop | 21.2 | 19.13 | |||
Returns to land | Solecrop | 1457.3 | 911.78 | 619 | 8.03** |
Intercrop | 838.3 | 665.81 | |||
Return to unpaid labour and mgt | Solecrop | 4046.3 | 3155.96 | 1011 | 4.21** |
Intercrop | 3035.3 | 2971.68 |