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  1. Importance of sugar beans: Valuable source of protein. Enhancement of soil fertility through nitrogen fixation. Valuable cash crop.
  2. 1988-01-01 Includes 130 papers covering all cropping problems from agronomy to storage and utilization of products of cassava, sweet potato, potato, yam, aroids and minor tuberous crops. They will show the increasing importance of these crops for producers and consumers and the move from subsistence to cash...
  3. The aim of this book is to bring about increases in the income and welfare of poor peasant farmers in that area through community-irented, self-reliant and sustainable approach to rural development.