Second, although many poor-land fields were left unused, in rice-growing areas some paddy fields are used for both rice and sweet potatoes to make the most of natural conditions.
因此台灣省政府農林廳、台灣區雜糧發展基金會等有關單位，近年來全力推廣食用甘薯，希望大家重視甘薯，常吃甘薯，由消費刺激生產，再創甘薯的高產量。作主、副食均相宜甘薯在歐美國家被視為普通菜蔬，其中胡蘿蔔素含量豐富的紅心甘薯，更被製成罐頭或嬰兒食品。