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...
01/01/1967 O VITA Fogăo Solar especialmente foi projetado ser robusto, relativamente, fácil fazer, fácil consertar, e baixo em custo. Usa o princípio do refletor de Fresnel que concentra luz e aquece usando várias superfícies refletindo simples. A maioria do outro uso de fogőes um duplamente-curvado...
01/01/2001 *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...