The Republic of China is noted for its successful food production program, and agricultural production was therefore made the cornerstone of Operation Vanguard. The program included inviting African leaders to visit Taiwan, training African students, and sending missions to Africa.
於是楊西昆提出「農業出國、外交下鄉」口號，以農技合作為先鋒案主要內容，包括邀請非洲領袖訪華、訓練非洲學員、及派遣農耕隊赴非等，其中以農耕隊工作最重要。