Urbanisation and long-lasting civil wars and conflict mean that the demographic pattern in Sudan is changing drastically. Nevertheless, 60%-80 % of Sudanese engage in subsistence agriculture. Agriculture remains a crucial sector in the economy as a major source of raw materials, food and foreign exchange. It employs the majority of the labour force, and serves as a potential vehicle for diversifying the economy. However, no rigorous studies have explained productivity in this sector in relation to food security. The situation has worsened because agriculture in particular has been neglected...