An agro-ecological analysis of wen-tinak, a sustainable sweet potato wetland production system in the Baliem Valley, Irian Jaya, Indonesia

Abstract

Iieri-tinak is the .nveet potato wetlrmd production .Vstem current used by Dani people w8ho live in the Baliertl I~lalley. This sr;stem was designer1 speclficallv ,for poor .soil \clifh a high water tqhle. Recent studies hm!e revealed that the +.stem converts a relativeiv unfin~ourable situation into an en\-ironment with itnpro\?ed chemical rznd ph~sical conditions jim!ourahle for .nreet potato production. The kinds anrl ,functions qf agronomic activities conductecl, and the nutrient ci..cles involved in wen-tinrrk ore discrr.s.sed