Report on the training center on irrigation methods and practices - Chillan and Santiago, Chile, 3 Sep - 26 Oct 1956.

centre de formation cours professionnel curriculum drainage systems engineering exigence des plantes extension extension activities gestion des eaux irrigation irrigation methods irrigation par aspersion necesidades de las plantas plan de estudio plant requirements programme d'enseignement reconocimiento de suelos red de drenaje riego site preparation soil surveys sprinkler irrigation training centres training courses vulgarisation water management