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  1. Douglas Johnson This book provides advice to relief workers considering a distribution of seeds and tools to refugees or displaced people. It covers preliminary assessment, project design, and implementation, including the choice of seeds and tools to distribute, and methods of distribution. It emphasizes the...
    631.068
  2. H. et al. Schreppers Proper management of trees and forests is necessary to make resources sustainable. Trees ñ or rather: woody plants in general ñ play an important part in traditional farming systems in the tropics, not just as food and cash crops but also as suppliers of fuelwood and fodder. Farmers are also...
    631.5
  3. S. E. McGregor. Worldwide, more than 3,000 plant species have been used as food, only 300 of which are now widely grown, and only 12 of which furnish nearly 90 percent of the world's food. These 12 include the grains: rice, wheat, maize (corn), sorghums, millets, rye, and barley, and potatoes, sweet potatoes,...
    582.016

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