Douglas, James A.; Follett, John M.; Douglas, M.H.; Deo, B.; Scheffer, J.J.C.; Littler, Ray A.; Manley-Harris, Merilyn
(Taylor & Francis, 2007)
The tuberous root yields of yacon (Smallanthus sonchifolius) were compared from field trials planted in September, October, and November at four sites (Pukekohe, Hamilton, Lincoln, Mosgiel) across New Zealand. The September ...