| Definition of Variables | Measurement | Expected Sign |
| Dependent Variables |
|
|
| Adoption of Row Planting (first hurdle) | Binary (Yes/No) |
|
| Proportion of land under Row Planting (second hurdle) | Continuous (Timad) |
|
| Independent Variables |
|
|
| Age of house head | Continuous (Years) | +/− |
| Sex of household head (Male = 1) | Binary (Male/Female) | +/− |
| Illiterate (Yes = 1) | Binary (Yes/No) | +/− |
| Farming experience | Continuous (Years) | +/− |
| Man equivalent | Continuous (No) | +/− |
| Farm size (Timad) | Continuous (Timad) | +/− |
| Vertisol (Yes = 1) | Binary (Yes/No) | − |
| Very fertile plot (Yes = 1) | Binary (Yes/No) | − |
| Number of plots | Continuous (No) | − |
| Tropical Livestock Unit (TLU) | Continuous (No) | + |
| Number of oxen | Continuous (No) | +/− |
| Log of Value of Communication Equipment | Continuous (Birr) | + |
| Log of Annual off-farm income | Continuous (Birr) | +/− |
| No of DA contacts per annum | Continuous (No) | + |
| Distance to DA | Continuous (Hours) | − |
| Distance to the nearest market | Continuous (Hours) | − |
| Trained row planting (Yes = 1) | Binary (Yes/No) | + |
| Access to credit (Yes = 1) | Binary (Yes/No) | + |
| No of information sources | Continuous (No) | + |
| Labour per Land (Days) | Continuous (Days) | − |