Table A1.
Household maize production | Pooled OLS | Fixed effects |
---|---|---|
Total nitrogen used | 5.961⁎ | 7.835⁎ |
Total nitrogen squared | −0.010⁎ | −0.013+ |
Nitrogen ∗ phosphorus | 0.017⁎⁎ | 0.018 |
Total quantity of seeds used | 1.198 | 1.165 |
Labor (adult equivalency unite) | 4.158 | 42.872 |
Hired labor | 161.083 | 186.919 |
Mechanization (1/0) | 580.042 | 475.083 |
Irrigation (1/0) | 126.321 | 91.965 |
Animal traction use (1/0) | 378.483⁎ | 353.349 |
Chemicals (1/0) | 166.816 | 197.121 |
Organic fertilizer (1/0) | 350.038⁎⁎ | 25.638 |
Commercial seed | 5.947 | 3.343 |
Commercial seed ∗ nitrogen | −1.665 | −1.051 |
Male (1/0) | 956.393⁎⁎ | 561.163 |
Age (years) | 2.351 | 15.143 |
Assets (“000 Naira) | 0.027 | 0.083 |
Plot area (hectares) | −130.364 | −299.791 |
Squared plot area (hectare) | 2.290 | 28.007 |
Topographic wetness index (units) | −17.143 | −133.668 |
No other crop planted | 985.766⁎⁎ | 1,268.598+ |
One other crop planted | 617.145+ | 1,503.806⁎ |
Two other crops planted | 200.792 | 1,116.263 |
Three other crops planted | −43.928 | 955.386 |
Year | 322.671⁎ | 286.435 |
Number of observations | 691 | 691 |
R-squared | 0.11 | 0.64 |
Source: Authors’ estimations from the LSMS-ISA data.
∗∗∗Significant at 1 percent.
Significant at 15 percent.
Significant at 10 percent.
Significant at 5 percent.