Note 6 — I. Agriculture and Landholding at the Time of the Discovery and Conquest
Reading edition
However, both Dr. Tavera (Census of the Philippine Islands, Vol. I, p. 329), and Montero y Vidal (Historia General de Filipinas, Vol. I, p. 66.), state that the sweet potato was being cultivated here at the time of the conquest. Pigafetta also mentions it in his account.