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International Irrigation Management InstituteMinistere de l'Environnement et de l'Eau[Voyage d'etudes effectue au Mali du 21 au 30 Octobre 1996]Voyage d'etudes effectue au Mali du 21 au 30 Octobre 1996
Manyong, Victor M.Smith, J.Weber, S.S.Jagtap, S.S.Oyewole, B.[Macrocharacterization of agricultural systems in Central Africa: an overview]Macrocharacterization of agricultural systems in Central Africa: an overview
Mery, G.Alvaro, R.Kanninen, M.Lobovikov, M.Vanhanen, H.Pye-Smith, C.[Bosques para el nuevo milenio: bosques que beneficien a la gente y sustenten la naturaleza]Bosques para el nuevo milenio: bosques que beneficien a la gente y sustenten la naturaleza
Wasseige, C. deDevers, D.Marcken, R. deEba'a Atyi, R.Nasi, RobertMayaux, P.[The Forests of the Congo Basin: State of the Forest 2008]The Forests of the Congo Basin: State of the Forest 2008
Autor: Ng, N.Q.

Several ways exist of maintaining the genetic resources of crops. The cheapest and most convenient way is by storing seeds. However, not all crops can be preserved by storing their seeds, because they are either vegetatively propagated and/or do not produce seeds, or the period of their seed viab...


Ng, N.Q.[Preservation of genetic resources by seed storage]Preservation of genetic resources by seed storage

Food and Agriculture Organization of the United Nations[Sustaining communities, livestock and wildlife: a guide to participatory land-use planning]Sustaining communities, livestock and wildlife: a guide to participatory land-use planning

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