Domestication, Utilization and Marketing of Indigenous Fruit Trees in West and Central Africa - Indigenous Fruit Trees in the Tropics: Domestication, Utilization and Commercialization - page 180

Table 9.3. Effect of changes in key parameters on the profitability of Lekie Assi nursery.

Net present Internal rate

Change in key parameters value (F CFA) of return (%)

Base analysis 500,143 54

Selling price: cutting (500 F CFA), marcott 739,954

(1000 F CFA), graft (500 F CFA)
Valuation rate: 75% 390,600 20

Labour cost +20% 428,041 49

Labour cost -20% 566,459 58

Discount rate at 10% 843,952 54

Discount rate at 30% 278,546 54

Table 9.4. Net present value (NPV) and internal rate of return of Belo nursery.

Year

2001 2002 2003 2004 2005

Total cash outflow 1,209,850 659,315 731,168 897,801 1,026,164

Total cash inflow 0 869,500 1,305,000 2,575,000 3,600,000

Net cash flow 1,209,850 210,185 573,832 1,677,199 2,573,836

NPV (20%) 1,313,033

Internal rate of return 58%

Table 9.5. Effect of changes in key parameters on the profitability of Belo nursery.

Net present Internal rate

Change in key parameter value (F CFA) of return (%)

Base analysis 1,313,033 58

Selling price: cutting (500 F CFA), marcott
(1000 F CFA), graft (500 F CFA),
Prunus africana cutting (50 F CFA) 1,282,349 -

Production valuation rate: 75% 301,136 30

Labour cost +20% 1,179,391 54

Labour cost -20% 1,446,562 61

Discount rate at 10% 2,248,670 58

Discount rate at 30% 735,347 58

Ricinodendron heudelotii , are now being integrated in cropping systems in
Lekie Assi and Belo. These species have been planted around the homestead
for landscaping, as windbreaks, and for the provision of shade and other
environmental services. The technology has proved to be sustainable as more
farmers are being trained by farmers who have already acquired the skills.
Techniques used for participatory tree domestication have a wide range of
advantages: