14 Rice, Farmers and Genebanks: a Case Study in the
The Cagayan Valley, located in Northern Farmers'' classification of varieties Luwn, the Philippines, is a good example of these situations. Three different rice ecosystems are In order to complement the study on farmers'' perpresent in the Cagayan Valley: rainfed upland, rain ceptions of varieties presented in Bellon I''t al. (1998),