Global Change: impacts of trade liberalization and climate change on export agriculture and domestic food production - includes case studies. Population growth and the diffusion of agricultural innovations - contrasting models of the dynamics of agricultural change. Economic and Behavioural Approaches to Decision Making among Small-Scale Farmers in Developing Countries - includes approaches to risk reduction. The Role of Indigenous Knowledge in Traditional Agriculture - includes case studies based on Jamaican research. Sustainable Rural Livelihoods and Sustainable Hillside Farming - includes approaches to soil conservation and land management in hillside farming systems.