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Table 8 Factors affecting fertilizer adoption (log kg/ha) (tobit model).

From: Does fertilizer adoption enhance smallholders’ commercialization? An endogenous switching regression model from northern Ethiopia

Variables 
Head’s gender− 0.674*** (0.244)
Head’s age0.009 (0.007)
Head’s education− 0.739*** (0.209)
Family size0.217*** (0.066)
Male adult0.188** (0.099)
Female adult0.218** (0.108)
Ownland_ha− 0.125 (0.148)
Distance to farmers’ training center− 0.247* (0.137)
Distance to district office0.090 (0.078)
Plot distance− 0.784*** (0.268)
Previous 3 years rainy season rainfall− 0.026** (0.011)
Previous 3 years rainy season rainfall variability (std. deviation)0.011 (0.044)
Plot characteristicsYes
District fixed effectYes
Chi2191.33
Log-likelihood− 1177.61
Prob > chi20.0000
Uncensored observation440
Censored observation186
Total observation626
  1. ***, **, *refer significant level at 1, 5 and 10%, respectively. Numbers in parenthesis are robust standard 5 errors cluster at household
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