District | Input variable (ha−1) | Input variable cost (GH₵∙ha−1) | Maize yields kg∙ha−1 | Selling price of maize (GH₵) | Benefit (GH₵) | P/V ratio |
Zabzugu | Maize + 2.5 bags NPK 15:15:15 + 2.5 bags SoA | 440.00 | 2337.18 | 2800.00 | 2350.00 | 0.8 |
Gushegu | Maize + 2.5 bags NPK 15:15:15 + 1.25 bags SoA | 330.00 | 2434.73 | 2925.00 | 2600.00 | 0.9 |
Kumbugu | Maize + 2.5 bags NPK 15:15:15 + 2.5 bags SoA | 440.00 | 2691.85 | 3225.00 | 2775.00 | 0.9 |
Nanumba South | Maize + 2.5 bags NPK 15:15:15 + 2.5 bags SoA | 440.00 | 2426.98 | 2913.00 | 2475.00 | 0.8 |
Yendi | Maize + 3.75 bags NPK 15:15:15 + 2.5 bags SoA | 550.00 | 2366.53 | 2838.00 | 2288.00 | 0.8 |