Concepts | White corn | Yellow corn | ||||
Productivity strata | Productivity strata | |||||
High | Intermediate | Low | High | Intermediate | Low | |
Grain yield (kg·ha−1) | 5.509 | 4.500 | 3.506 | 5.567 | 4.735 | 3.044 |
Cost ($ ha−1) | 10,961 | 10,961 | 10,961 | 10,961 | 10,961 | 10,961 |
Price per ton ($) | 3300 | 3300 | 3300 | 3300 | 3300 | 3300 |
Income ($ ha−1) | 18,180 | 14,850 | 11,570 | 18,371 | 15,626 | 10,045 |
Benefit ($ ha−1) | 7219 | 3889 | 609 | 7410 | 4665 | −916 |
Ratio B/C ($) | 0.66 | 0.35 | 0.06 | 0.68 | 0.43 | −0.08 |
Equilibrium point (kg·ha−1) | 3321 | 3321 | 3321 | 3321 | 3321 | 3321 |