He also took courses in organic farming, recreational farming (for city tourists), organic pesticides, and organic fertilizers at other agricultural improvement stations, as well as attending the Council of Agriculture's Piao Niao and Zhu Cao camps.
他又陸續進修有機蔬菜栽培班、休閒農業經營班、生物農藥與生物肥料班，以及農委會的「漂鳥」和「築巢」營等。