Dinámica histórica de los derechos de agua en el Valle del Cauca, Colombia: un estudio de caso en el distrito de riego RUT = Historical Dynamics of water rights in the Cauca Valley, Colombia: a case study on the RUT irrigation district. Thesis (M.Sc…
Integration of Canavalia brasiliensis into the crop-livestock of the Nicaraguan hillsides : Environmental adaptation and nitrogen dynamics. Thesis (Doctor of Sciences)