Tanzania's 2005 push to increase rice production by ambitious rural investments in irrigation and by tariff protection … sustainability of irrigation schemes due to poor local-level operation and maintenance. These implementation problems arise because … maintenance of irrigation schemes) are actually used. Ideological notions about 'modernising agriculture' have also motivated the …

-scale irrigation schemes, using data from Uganda, Mozambique, Burkina Faso, Mali, Niger, and Senegal. The authors find that adequate … irrigation, chemical fertilizer, and labor inputs are the key to high productivity. Chemical fertilizer is expensive in Uganda … between fertilizer and irrigation. Meanwhile, in the schemes located in four countries in West Africa's Sahel region, where …