Factors Associated with the Technical Efficiency of Maize Seed Production in the Mid-Hills of Nepal: Empirical Analysis

Table 3

Stochastic frontier production of maize seed production.

Variables	Coefficients	Standard error	z	value
Log seed sown (kg/ha)	0.29	0.11	2.69	0.007
Log FYM used (kg/ha)	0.04	0.02	2.40	0.016
Log chemical fertilizer used (kg/ha)	0.01	0.01	1.45	0.146
Log labor used (man-days/ha)	0.38	0.08	4.93	≤0.001
Log tractor (hour/ha)	0.01	0.01	0.95	0.341
Log bullock (days/ha)	−0.01	0.01	−0.92	0.357
Constant	4.41	0.41	10.77	≤0.001
Sigma v	0.27	0.04
Sigma u	0.48	0.07
Sigma^2	0.31	0.06
Lambda	1.78	0.10
Observations	182
Wald chi^2 (6)	76.50
Prob > chi^2	≤0.001
Log likelihood	−87.46

Note. and indicate significance at 1% and 5% levels, respectively.