Joseph A. Kuzilwa is a Professor in the Department of Economics, Mzumbe University, Tanzania. Niels Fold is a Professor in the Department of Geosciences and Natural Resource Management, University of Copenhagen, Denmark. Arne Henningsen is an Associate Professor in the Department of Food and Resource Economics, University of Copenhagen, Denmark. Marianne Nylandsted Larsen is an Associate Professor in the Department of Geosciences and Natural Resource Management, University of Copenhagen, Denmark.

• Part 1: Contract farming in context 1.Researching the potentials and limitations of contract farming in sub-Saharan Africa 2.Contract farming: fluid concept on firm grounds 3.Overview of the agricultural sector in Tanzania Part 2: Contract farming and value chain dynamics 4.Evolving governance structures and contract farming in the tobacco value chain in Tanzania 5.Successes and Barriers regarding small and medium-size enterprises (SMEs) in the value chain for sunflower in Tanzania: Does contract farming reduce value chain coordination problems for SMEs? 6.Contract farming and upgrading possibilities for smallholder sugarcane growers 7.Coordination and upgrading in agricultural value chains: Contract farming arrangements in the Tanzanian cotton sector Part 3: Contract farming and household economics 8.Tobacco contract farming in the Urambo District of Tanzania: Which farmers obtain inputs on credit and which buy them for cash? 9.Income diversification of small-scale sugarcane contract farmers in Kilombero and Turiani, Tanzania Part 4: Alternative aspects of contract farming 10.Trusting your partner? Sunflower contract farming in central Tanzania 11.Contract farming in a covert sphere: conspiracy theories as counter-knowledge about sugarcane production in Tanzania 12.Does contract farming empower smallholder agricultural producers? Lessons from sunflower contract farming in Tanzania 13.Embedding the global tobacco value chain in social and environmental concerns: contract farming and corporate social responsibility projects in the Tanzanian tobacco sector