| |
Coefficients |
Std. Error |
t |
P>|t| |
-95% Confidence Interval- |
| Farm size (Ha) |
-0.004040 |
0.010183 |
-0.40 |
0.694 |
-0.024712 |
0.0166332 |
| Payment for land (Loti) |
-0.000023 |
0.000011 |
-2.14 |
0.039* |
-0.000044 |
0.0000019 |
| Fertilizer used (kg/ha) |
-0.000169 |
0.000413 |
-0.41 |
0.684 |
-0.001007 |
0.0006681 |
| Fertilizer cost (Loti)/season |
0.0002641 |
0.000638 |
0.41 |
0.681 |
-0.001031 |
0.0015594 |
| Quantity of seeds used (kg/ha) |
0.0056878 |
0.004435 |
1.28 |
0.208 |
-0.003316 |
0.0146916 |
| Man-days (hrs) |
-0.006378 |
0.002228 |
-2.86 |
0.007** |
-0.010902 |
-0.0018552 |
| Wage rate/day |
-0.015214 |
0.003450 |
-4.41 |
0.000** |
-0.022218 |
-0.0082091 |
| Quantity of herbicide used (Litres/ha) |
-0.008751 |
0.108157 |
-0.08 |
0.936 |
-0.228320 |
-0.0082091 |
| Price of herbicides (Loti)/season |
-0.005234 |
0.000301 |
-1.74 |
0.093 |
-0.001135 |
0.2108189 |
| Labour cost (Loti/season) |
0.0002016 |
0.000077 |
2.63 |
0.013** |
0.0000459 |
0.0000879 |
| Constant |
0.5977546 |
0.086232 |
6.93 |
0.000 |
0.422694 |
0.0003573 |
| Sigma |
0.2319654 |
0.025655 |
|
|
|
0.2840486 |
| Number of observations = 105; LR Chi2 (10) = 32.63; Prob> Chi2 = 0.0003; Pesudo R2 = 0.9262 Log Likelihood = -1.300; *= significant at 5%; **=significant at 1% |