Partial budgeting was used to estimate the profit per hectare for each treatment. The profit was estimated by deducting the total variable cost from the income derived from the yield.Total variable co
Yam (Discorea spp.) is a staple food crop in Africa that requires fertile soils and an annual rainfall of about 1,500 mm. However, in the semi-arid North-West of Burkina Faso, farmers produce yam in c
