资源 标记: Dowloads

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  1. Piggery Farming – Sikkim

    Piggery farming has been recognized as one of the profitable venture among the rural masses. This venture has proved to be one of the most important livelihood option. Generally the pigs are reared for pork, considering the increasing trend of pork consumers in Sikkim, Piggery farming will...
    Piggery Raising Pigs Pigs ZAS Dowloads

  2. Solar Cooker

    1967-01-01 The VITA Solar Cooker was especially designed to be sturdy, relatively easy to make, easy to repair, and low in cost. It uses the principle of the Fresnel reflector which concentrates light and heat by using several simple reflecting surfaces. Most other cookers use a doubly-curved reflecting...
    Solar Cooker Construction Manual VITA Dowloads Solar

  3. The Pollination of Cultivated Plants: A Compendium for Practitioners

    2001-01-01 *Available as download only More than twenty years ago, the Food and Agriculture Organization of the United Nations contributed to the growing recognition of the role of pollination in agricultural production, with the publication of “The Pollination of Cultivated Plants in the Tropics”. Since...
    Pollination Cultivated Plants Tropical plants FAO Dowloads