GROSS MARGIN CALCULATION PER ACRE AND SEASON
Potato in Meru
|
Item |
Unit |
Quantity |
Price/unit |
Value (Ksh) |
|
|
Yield: |
marketable |
55 |
500 |
27.500 |
|
|
home consumed |
5 |
300 |
1.500 |
||
|
animal feed |
5 |
50 |
250 |
||
|
Total output |
|
|
|
29.250 |
|
|
LABOUR |
|||||
|
|
planting material |
bags |
|
home |
|
|
|
Land prep: |
bullock hire |
2 |
800 |
1.600 |
|
|
Sowing |
mdays |
20 |
70 |
1.400 |
|
|
spraying |
mdays |
20 |
70 |
1.400 |
|
|
fertilising |
mdays |
|
|
|
|
|
weeding |
mdays |
20 |
70 |
1.400 |
|
|
harvesting & |
bag |
55 |
30 |
1.650 |
|
|
grading/packing |
bag |
55 |
20 |
1.100 |
|
MATERIAL |
|||||
|
|
Seed potato |
bags |
400 |
8 |
3.200 |
|
|
Dithone L45 |
litre |
400 |
5 |
2.000 |
|
|
DAP |
kg |
100 |
26 |
2.600 |
|
|
Manure |
kg |
|
|
|
|
Total cost |
|
|
|
16.350 |
|
|
Gross margin |
|
|
|
12.900 |
|
|
Return to Labour |
|
|
|
250 ksh per manday |
|
Source: District Agriculture Office Meru
Adapted according to yields & costs reported by farmers.
manday = 70 sh
