The proof efficacy of the Integrated Agricultural Research for Development (IAR4D) was carried out in 2010, using the household income as the principal measure of impact on poverty reduction. This assessment did not take into consideration other variables that could affect livelihood outcomes.

The high prevalence of Vitamin A deficiency in Zambian population, particularly among the young children of rural areas, has been a consistent phenomenon in the country for a while. In response to this, several government’s policies have, since 1998, been formulated to promote increased intake of the vitamin while encouraging healthy food intake. This policy resulted in the establishment of National Pro- Vitamin A Orange Maize Steering Committee (NPASC), an Innovation Platform (IP) formed in 2010 to promote bio-fortification of maize following.

Whereas Irish potato (Solanum tuberosum) is a major staple food in many countries, it is one of the priority value chain crops under the Rwanda’s Crop Intensification Program (CIP). The crop is more important in the northern and northwestern than other parts of Rwanda. After plantain and cassava, potato is the third most important staple cultivated by 52.9% of the households in Rwanda.