Table 9 Returns analysis of cocoyam production (hectare) by cropping systems

Cocoyam output

Quantity of corms harvested (kg)

7042

5985

6515

Selling price per kg (corms)

1.13

1.13

1.13

Quantity of leaves harvested (kg)

439

746

592

Selling price per kg (leaves)

1.4

1.4

1.4

Revenue

Corms^D

7957.5

6763.1

7362

Leaves

615

1044

829

Total returns^E

8572.5

7807.1

8191

% contribution of leaves to total revenue

7.1

13.4

11

Gross margin (D–A) (corm only)^F

4805.5

3762.1

4335

Gross margin (E–A)^G

5420.5

4806.1

5164

Net income (D–C) (corm only)

4876

3463

3995

Net income (E–C)

5103.5

4462.1

4824