Table 7 Variables of the models and their hypothesized relationships on technology adoption, plot-level crop productivity and smallholders’ commercialization.
Variable | Variables’ description | Unit | Prior expectation on | ||
|---|---|---|---|---|---|
Fertilizer adoption | Productivity | Marketed surplus | |||
Fert_adop | Adoption of fertilizer (yes = 1, 0 otherwise) | Dummy | + | + | |
psexF1 | Gender of the household head (female = 1) | Dummy | − | − | − |
page | Age of the household head | Years | ± | ± | ± |
peduH | Educational status (illiterate = 1, 0 = otherwise) | Dummy | ± | ± | ± |
Famsize | Family size of household | Number | + | + | ± |
male_adult | Male adults | Number | + | + | ± |
female_adult | Female adults | Number | + | + | ± |
Oxen_qty | Oxen ownership | Number | + | + | + |
TLU_Nox | Non-ox Tropical Livestock | TLU | + | + | + |
Acceinfo | Access to information (yes = 1) | Dummy | + | + | + |
Ownland_ha | Household owns land size | Hectare | ± | ± | + |
Acces_irrg | Access to irrigation (yes = 1) | Dummy | + | + | + |
distmkt_hr | Distance to nearby market | Hour | − | − | − |
distanceto~t | Distance to plot | Hour | − | − | − |
SRF_3yrmean | Rainfall of previous 3 years to cropping season | Millimeter | + | ||
SstdevRF_3~n | Rainfall std. dev of previous 3 years to cropping season | Millimeter | – | ||
RFcupro | Rainfall of cropping season | Millimeter | + | + | + |