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 offfarm 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)  − 