Beginning with rice promotion, the program gradually expanded to include vegetables and other dry crops. Since 1980 the mission has also been working on developing improved strains of corn.
反過來看中史農技合作的情形，最初是以推廣稻米為主，後來逐漸增加蔬菜、旱作。從一九八○年開始，並從事玉米品種改良工作，規模逐漸擴展。