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